Abs block
zero crossings
absolute tolerance
definition of
simset parameter
simulation accuracy
specifying for a block state
absolute value, generating
Adams-Bashforth-Moulton PECE solver
add_block command
add_line command
adding
block inputs
blocks
lines
Algebraic Constraint block
algebraic equations, modeling
algebraic loops
integrator block reset or IC port
simulation speed
aligning blocks
analysis functions, perturbing model
AND operator
AnnotationDefaults section of mdl file
annotations
annotation block, see Model Info block
changing font
creating
definition
deleting
editing
manipulating with mouse and keyboard
moving
using to document models
Apply button on Mask Editor
ashow debug command
Assignment mask parameter
atrace debug command
attributes format string
AttributesFormatString block parameter <1> <2>
Autoscale icon drawing coordinates
auto-scaling Scope axes
Backlash block
zero crossings
backpropagating sample time
Backspace key
deleting annotations
deleting blocks
deleting labels
Backward Euler method
Backward Rectangular method
bafter debug command
Band-Limited White Noise block <1> <2> <3>
simulation speed
bdclose command
bdroot command
Bitwise Logical Operator block
block callback parameters
Block data tips
block descriptions
creating
entering
block diagrams, printing
block dialog boxes
closing
opening
block icons
displaying execution order on
drawing coordinates
font
icon frame property
icon rotation property
icon transparency property
properties
question marks in <1> <2>
transfer functions on
block indexes
block libraries
Blocksets and Toolboxes
Demos
Discrete
Extras
Linear
Nonlinear
Sinks
Sources
block names
changing location
copied blocks
editing
flipping location
font
generated for copied blocks
hiding and showing
location
newline character in
rules
slash character in
block parameters <1> <2>
about
changing during simulation
Continuous library
Discrete library
displaying beneath a block icon
Functions and Tables library
Math library
modifying
Nonlinear library
prompts
scalar expansion
setting
Signals and Systems library
Sinks library
Sources library
block priorities
assigning
Block Properties dialog box
block type of masked block
BlockDefaults section of mdl file
blocks
adding to model
aligning
callback routines
connecting <1> <2>
connections, checking
copying from Library Browser
copying into models
copying to other applications
current
deleting <1> <2>
disconnecting
discrete
drop shadows
duplicating
grouping to create subsystem
handle of current
library
moving between windows
moving in a model <1> <2>
orientation <1> <2>
path
reference <1> <2>
replacing
resizing
reversing signal flow through
signal flow through
under mask
updating
Blocksets and Toolboxes library
bode function
Bogacki-Shampine formula <1> <2>
Boolean expressions, modeling
boolean type checking
bounding box
grouping blocks for subsystem
selecting objects
branch lines <1> <2>
break debug command
Break Library Link menu item
breaking link to library block
breakpoints
clearing from blocks
setting
setting at beginning of a block
setting at end of block
setting at timesteps
setting on nonfinite values
setting on step-size limiting steps
setting on zero crossings
Browser
bshow debug command
building models
exercise
tips
callback routines
callback tracing
canceling a command
capping unconnected blocks
changing
annotations, font
block icons, font
block names, font
block names, location
block size
sample time during simulation
signal labels, font
check box control type
Chirp Signal block
clear debug command
Clear menu item
Clock block
example
Close Browser menu item
Close button on Mask Editor
Close menu item
Close Model menu item
close_system command
CloseFcn block callback parameter <1> <2>
CloseFcn model callback parameter
closing
block dialog boxes
model windows
system windows
clutch demo
colors for sample times
Combinatorial Logic block
combining input lines into vector line
Complex to Magnitude-Angle block
Complex to Real-Imag block
composite signals
concatenating matrices
conditionally executed subsystems
Configurable Subsystem block
configuration manager
connecting blocks <1> <2>
connecting lines to input ports
consistency checking
Constant block
constant sample time
constant value, generating
continue debug command
Continue menu item
Continuous block library
block parameters
control input
control signal
Control System Toolbox
linearization
control type
check box
edit
pop-up
Copy menu item <1> <2>
copy, definition
CopyFcn block callback parameter <1> <2>
copying
blocks
signal labels
Coulomb and Viscous Friction block
Create Mask menu item
Create Subsystem menu item <1> <2>
Created model parameter
creating
annotations
block libraries
first mask prompt
masked block descriptions
masked block icons
models <1> <2>
signal labels
subsystems
Creator model parameter
current block
handle
current system
Cut menu item <1> <2>
cvhtml
cvload
cvreport
cvsave
cvsim <1> <2>
cvtest
Data Explorer
data object classes
data object properties, accessing
data objects
creating
Data Store Memory block
Data Store Read block
Data Store Write block
Data Type Conversion block
data types <1> <2>
displaying
propagation
specifying
data types, Simulink
dbstop if error command
dbstop if warning command
Dead Zone block
zero crossings
deadband
debug commands
ashow
atrace
bafter
break
bshow
clear
continue
disp
help
ishow
minor
nanbreak
next
probe
quit
run
slist
states
status
step
stop
systems
tbreak
trace
undisp
untrace
xbreak
zcbreak
zclist
debugger
getting command help
starting
debugging initialization commands
decimation factor
saving simulation output
decision tables, modeling
default
solvers
defining
mask type <1> <2>
masked block descriptions
masked block help text
delaying
and holding input signals
input by specified sample time
input by variable amount
Delete key <1> <2> <3>
delete_block command
delete_line command
DeleteFcn block callback parameter <1> <2>
deleting
annotations
blocks <1> <2>
lines
mask prompts
signal labels
demo model, running <1> <2>
Demos library
Demux block
Derivative block
accuracy of
linearization
derivatives
calculating
limiting
Description model parameter
description of masked blocks
Diagnostics page of Simulation Parameter dialog box
diagonal line segments
diagonal lines
dialogs
creating for masked blocks
differential/algebraic systems, modeling
Digital Clock block
disabled subsystem, output
disabling zero crossing detection <1> <2>
disconnecting blocks
Discrete block library
block parameters
discrete blocks
in enabled subsystem
in triggered systems
Discrete Filter block
Discrete Pulse Generator block
discrete solver <1> <2> <3>
Discrete State-Space block
discrete state-space model
Discrete Transfer Fcn block <1> <2>
Discrete Zero-Pole block
Discrete-Time Integrator block
sample time colors
discrete-time systems
linearization
disp command
disp debug command
Display Alphabetical List menu item
Display block
Display Hierarchical List menu item
displaying
output trajectories
output values
signals graphically
transfer functions on masked block icons
vector signals
X-Y plot of signals
dlinmod function <1> <2>
dlinmod2 function
documentation page of Mask Editor
Dormand-Prince
formula
pair
Dot Product block
dpoly command
drawing coordinates
Autoscale
normalized <1> <2>
Pixel
droots command
drop shadows
duplicating blocks
edit control type
editing
annotations
block names
mask prompts
models
signal labels
eigenvalues of linearized matrix
either trigger type
Elementary Math block
algebraic loops
Enable block
creating enabled subsystems
outputting enable signal
states when enabling
enabled subsystems <1> <2> <3>
setting states
ending Simulink session
equations, modeling
equilibrium point determination
error tolerance
simulation accuracy
simulation speed
Euler's method
eval command and masked block help
Evaluate Assignment type
examples
Clock block
continuous system
converting Celsius to Fahrenheit
equilibrium point determination
linearization
masking
multirate discrete model
return variables
Scope block
To Workspace block
Transfer Function block
execution order, displaying
Exit MATLAB menu item <1> <2>
Expand All menu item
Expand Library Links menu item
expressions, applying to block inputs <1> <2>
external inputs
from workspace
extracting linear models <1> <2>
Extras block library
falling trigger
Fcn block
compared to Math Function block
compared to Rounding Function block
compared to Trigonometric Function block
simulation speed
file
reading from
writing to <1> <2>
final states, saving
find_system command
finding library block
finding objects
Finite Impulse Response filter
finite-state machines, implementing
First-Order Hold block
compared to Zero-Order Hold block <1> <2>
fixed icon rotation
fixed step size <1> <2>
fixed-step solvers <1> <2>
Flip Block menu item <1> <2>
Flip Name menu item
flip-flops, implementing
floating Display block <1> <2>
floating Scope block <1> <2>
fohdemo demo <1> <2>
font
annotations
block icons
block names
signal labels
Font menu item <1> <2>
Forward Euler method
Forward Rectangular method
fprintf command
From block
From File block
From Workspace block
Function-Call Generator block
Functions and Tables block library
block parameters
fundamental sample time
Gain block
and algebraic loops
gain, varying during simulation
Gaussian number generator
gcb command
gcbh command
gcs command
get_param command
checking simulation status <1> <2>
global Goto tag visibility <1> <2>
Go To Library Link menu item
Goto block
Goto Tag Visibility block
Ground block
grouping blocks
handle of current block
handles on selected object
hardstop demo
held output of enabled subsystem
held states of enabled subsystem
Help button on Mask Editor
help debug command
help text for masked blocks <1> <2>
Heun's method
Hide Name menu item <1> <2> <3>
Hide Port Labels menu item
hiding block names
hierarchy of model <1> <2>
Hit Crossing block
zero crossings <1> <2>
hybrid systems
integrating
linearization
simulating
IC block
icon frame mask property
icon page of Mask Editor
icon rotation mask property
icon transparency mask property
icons
creating for masked blocks <1> <2>
displaying graphics on
displaying images on
displaying text on
transfer functions on
improved Euler formula
inf values in mask plotting commands
Infinite Impulse Response filter
InitFcn block callback parameter <1> <2>
InitFcn model callback parameter
initial conditions
setting
specifying
initial states
initial step size <1> <2> <3>
simulation accuracy
initialization commands
debugging
initialization page of Mask Editor
Inport block
in subsystem <1> <2> <3>
linearization
linmod function
supplying input to model
input ports, unconnected
inputs
adding
applying expressions to
applying MATLAB function to <1> <2>
choosing between
combining into vector line
delaying and holding
delaying by specified time
delaying by variable amount
external
from outside system
from previous time step
from workspace
generating step between two levels
loading from base workspace
logical operations on
mixing vector and scalar
multiplying
outputting minimum or maximum
passing through stair-step function
piecewise linear mapping <1> <2> <3>
plotting
reading from file
scalar expansion
sign of
width of
inserting mask prompts
integration
block input
discrete-time
Integrator block
algebraic loops
example
sample time colors
simulation speed
zero crossings
invariant constants
inverting signal bits
invisible icon frame
ishow debug command
Jacobian matrices
Jacobians
keyboard actions, summary
keyboard command
labeling signals
labeling subsystem ports
LastModificationDate model parameter
left-hand approximation
libinfo command
libraries
creating
modifying
searching
library block
definition
finding
library blocks, getting information about
Library Browser
adding libraries to
copying blocks from
library link
creating
definition
disabling
displaying
modifying
propagating changes to
showing in Model Browser
status of
unresolved
library, definition
limit rows to last check box
limiting
derivative of signal
integral
signals
line segments
creating
diagonal
moving
line vertices, moving
Linear block library
linear models, extracting <1> <2>
linearization <1> <2>
discrete-time systems
linearized matrix, eigenvalues
lines ??-
adding
branch <1> <2>
carrying the same signal
connecting to input ports
deleting
diagonal
dividing into segments
manipulating with mouse and keyboard
signals carried on
link
breaking
to library block
LinkStatus block parameter
linmod function <1> <2> <3>
Transport Delay block
Literal Assignment type
load initial check box
LoadFcn block callback parameter <1> <2>
loading from base workspace
loading initial states
local Goto tag visibility <1> <2>
location of block names
logic circuits, modeling
Logical Operator block
Look Into System menu item
Look Under Mask Dialog menu item
Look Under Mask menu item
Look-Up Table (2-D) block <1> <2>
Look-Up Table block
loops, algebraic
lorenzs demo
Magnitude-Angle to Complex block
Manual Switch block
manual, organization
Mask Editor
mask help text
Mask Subsystem menu item <1> <2>
mask type <1> <2>
mask workspace <1> <2>
masked blocks
block descriptions
control types
description
dialogs
creating dynamic
setting parameters for
documentation
help text
icons
creating <1> <2>
displaying a transfer function on
displaying graphics on
displaying images on
displaying text on
setting properties of
initialization commands
looking under
parameters <1> <2>
assigning values to
default values
predefined
prompts for
tunable
undefined
ports
displaying labels of
question marks in icon <1> <2>
self-modifying
showing in Model Browser
type
unmasking
masked subsystems
showing in Model Browser
masking signal bits
MaskSelfModifiable parameter
Math block library
block parameters
Math Function block
mathematical functions, performing <1> <2> <3> <4>
MATLAB Fcn block
simulation speed
MATLAB function, applying to block input <1> <2>
matrices
concatenation
Matrix Concatenation block
Matrix Gain block
matrix, writing to
maximum number of output rows
maximum order of ode15s solver <1> <2>
maximum step size <1> <2>
maximum step size parameter
mdl file <1> <2>
Memory block
simulation speed
memory issues
memory region, shared <1> <2> <3>
menus
Merge block
M-file S-functions
simulation speed
MinMax block
zero crossings
minor debug command
mixed continuous and discrete systems
Model Browser
showing library links in
showing masked subsystems in
model callback parameters
model differencing tool
model files <1> <2>
names
Model Info block
model navigation commands
model parameters for version control
ModelCloseFcn block callback parameter <1> <2>
modeling
equations
strategies
models
building
callback routines
closing
comparing
creating <1> <2>
creating change histories for
editing
name, getting
navigating
organizing and documenting
parameters
printing
properties of
saving <1> <2>
selecting entire
simulating
tips for building
version control properties of
ModelVersion model parameter
ModelVersionFormat model parameter
ModifiedBy model parameter
ModifiedByFormat model parameter
ModifiedComment model parameter
ModifiedDate model parameter
ModifiedDateFormat model parameter
ModifiedHistory> model parameter
modifying libraries
Monte Carlo analysis
mouse actions, summary
MoveFcn block callback parameter <1> <2>
moving
annotations
blocks and lines
blocks between windows
blocks in a model <1> <2>
line segments
line vertices
mask prompts
signal labels
multiplying block inputs
by constant, variable, or expression
by matrix
during simulation
together
Multiport Switch block
multirate systems <1> <2>
linearization
Mux block
changing number of input ports
NameChangeFcn block callback parameter <1> <2>
names
blocks
copied blocks
model files
Nan values in mask plotting commands
nanbreak debug command
New Library menu item
New menu item
new_system command <1> <2>
newline in block name
next debug command
Nonlinear block library
block parameters
nonlinear systems, spectral analysis of
normalized icon drawing coordinates <1> <2>
normally distributed random numbers
NOT operator
numerical differentiation formula
numerical integration
objects
finding
path
selecting more than one
selecting one
ode1 solver
ode113 solver
hybrid systems
Memory block <1> <2>
ode15s solver <1> <2> <3>
hybrid systems
maximum order <1> <2>
Memory block <1> <2>
unstable simulation results
ode2 solver
ode23 solver
hybrid systems
ode23s solver <1> <2> <3>
ode3 solver
ode4 solver
ode45 solver
hybrid systems
ode5 solver
offset to sample time
opaque icon
Open menu item
Open System menu item
open_system command
OpenFcn block callback parameter <1> <2> <3>
OpenFcn model callback parameter
opening
block dialog boxes
Simulink block library
Subsystem block
system windows
operating point
options structure
getting values
setting values
OR operator
organization of manual
orientation of blocks
Outport block
example
in subsystem <1> <2> <3>
linearization
linmod function
output
additional
between trigger events
disabled subsystem
displaying values of
enable signal
maximum rows
options
outside system
refine factor
saving to workspace
selected elements of input vector
smoother
specifying for simulation
specifying points
switching between inputs
switching between values
trajectories, viewing
trigger signal
variables
writing to file <1> <2>
writing to workspace <1> <2> <3>
zero within range
output ports
capping unconnected
Enable block
Trigger block
PaperOrientation model parameter
PaperPosition model parameter
PaperPositionMode model parameter
PaperType model parameter
parameter, Simulink data type for
parameters
block
blocks <1> <2>
getting values of
masked blocks
model
setting values of <1> <2>
tunable <1> <2> <3>
Parameters menu item <1> <2> <3>
ParentCloseFcn block callback parameter <1> <2>
Paste menu item <1> <2>
path, specifying
Pause menu item
phase-shifted wave
piecewise linear mapping <1> <2> <3>
Pixel icon drawing coordinates
plot command and masked block icon
plotting input signals <1> <2>
plotting simulation data
pop-up control type
port labels <1> <2>
displaying
ports
block orientation
labeling in subsystem
PostLoadFcn model callback parameter
PostSaveFcn block callback parameter <1> <2>
PostSaveFcn model callback parameter
PostScript file, printing to
preferences
PreLoadFcn model callback parameter
PreSaveFcn block callback parameter <1> <2>
PreSaveFcn model callback parameter
Print (Browser) menu item
print command
Print menu item
printing
block diagrams
to PostScript file
Priority block parameter
probe debug command
proceeding with suspended simulation
produce additional output option
produce specified output only option
Product block <1> <2>
algebraic loops
programmable logic arrays, modeling
prompts
control types
creating
deleting
editing
inserting
masked block parameters
moving
propagation of signal labels
properties of Scope block
Pulse Generator block
purely discrete systems
Quantizer block
modeling A/D converter
question marks in masked block icon <1> <2>
quit debug command
Quit MATLAB menu item <1> <2>
randn function
random noise, generating
Random Number block
and Band-Limited White Noise block
simulation speed
random numbers, generating normally distributed
Rate Limiter block
reading data
from data store
from file
from workspace
Real-Imag to Complex block
Redo menu item
reference block
definition
refine factor <1> <2>
region of zero output
regular expressions
Relational Operator block
zero crossings
relative tolerance <1> <2>
simulation accuracy
Relay block
zero crossings
Repeating Sequence block
replace_block command
replacing blocks in model
reset
output of enabled subsystem
states of enabled subsystem
resetting state
resizing blocks
return variables, example
reversing direction of signal flow
Revert button on Mask Editor
right-hand approximation
rising trigger <1> <2>
Rosenbrock formula
Rotate Block menu item
rotates icon rotation
Rounding Function block <1> <2>
run debug command
Runge-Kutta (2,3) pair
Runge-Kutta (4,5) formula
Runge-Kutta fourth-order formula
running the simulation
sample model
sample time
backpropagating
changing during simulation
colors
constant
fundamental
offset
parameter
simulation speed
Sample Time Colors menu item <1> <2>
sample-and-hold, applying to block input
sample-and-hold, implementing
sampled data systems
sampling interval, generating simulation time
Saturation block
zero crossings <1> <2>
Save As menu item
Save menu item <1> <2>
save options area
save to workspace area
save_system command <1> <2>
saving
axes settings on Scope
final states
models <1> <2>
output to workspace
systems
sawtooth wave, generating
scalar expansion
Scope block
example <1> <2>
properties
scoped Goto tag visibility <1> <2>
Select All menu item
selecting
model
more than one object
one object
Selector block
separating vector signal
sequence of signals <1> <2> <3>
sequential circuits, implementing
Set Font dialog box
set_param command <1> <2>
running a simulation
setting breakpoints
setting parameter values
S-Function block
Shampine, L. F.
shared data store <1> <2> <3>
SHIFT_LEFT operator
SHIFT_RIGHT operator
shifting signal bits
Show Browser menu item
Show Name menu item
show output port
Enable block
Trigger block
Show Propagated Signals menu item
showing block names
Sign block
zero crossings
signal buses
signal flow through blocks
Signal Generator block
signal labels
changing font
copying
creating
deleting
editing
moving
propagation
using to document models
signal propagation
signal properties
setting
Signal Properties Dialog
Signal Selector
Signal Specification block
signals
composite
delaying and holding
displaying vector
labeling
labels
limiting
limiting derivative of
names
passed from Goto block
passing to From block
plotting <1> <2>
pulses <1> <2>
repeating
showing propagated
virtual
Signals and Systems block library
block parameters
signals, Simulink data type for
sim command <1> <2>
simget command
simplot command
simset command
simulating models
simulation
command line
displaying information about
algebraic loops <1> <2> <3>
block execution order
block I/O
debug settings
integration
nonvirtual blocks
nonvirtual systems
system states
zero crossings
menu
proceeding with suspended
running
running incrementally
speed
starting
stepping by blocks
stepping by breakpoints
stepping by time steps
stopping <1> <2> <3>
suspending
simulation accuracy
Simulation Diagnostics Dialog Box
simulation parameters
setting
specifying <1> <2>
specifying using simset command
Simulation Parameters dialog box <1> <2> <3> <4>
simulation time
compared to clock time
generating at sampling interval
outputting
writing to workspace
Simulink
ending session
icon
menus
starting
windows and screen resolution
Simulink block library
opening
simulink command <1> <2>
Simulink data objects
Simulink data types
Simulink data types, extending
Simulink preferences
Simulink.Parameter
Simulink.Signal
sine wave
generating <1> <2>
generating with increasing frequency
Sine Wave block
Sinks block library
block parameters
size of block, changing
slash in block name
sldebug command
Slider Gain block
slist debug command
Solver page of Simulation Parameters dialog box
solver properties, specifying
solvers
changing during simulation
choosing
default
discrete <1> <2> <3>
fixed-step <1> <2>
ode1
ode113 <1> <2>
ode15s <1> <2> <3> <4> <5>
ode2
ode23
ode23s <1> <2> <3>
ode3
ode4
ode45
ode5
specifying using simset command
variable-step <1> <2>
Source Control menu item
Sources block library
block parameters
spectral analysis of nonlinear systems
speed of simulation
square wave, generating
ss2tf function
ss2zp function
stairs function
stair-step function, passing signal through
Start menu item <1> <2> <3> <4>
start time
StartFcn block callback parameter <1> <2>
StartFcn model callback parameter
starting Simulink
state derivatives, setting to zero
state space in discrete system
states
absolute tolerance for
between trigger events
initial
loading initial
outputting
resetting
saving at end of simulation
saving final
updating
when enabling
writing to workspace
states debug command
State-Space block
algebraic loops
Status bar
status debug command
Step block
zero crossings
step debug command
step size
simulation speed
stiff problems
stiff systems and simulation time
stop debug command
Stop menu item <1> <2> <3>
Stop Simulation block
stop time
Stop Time parameter
StopFcn block callback parameter <1> <2>
StopFcn model callback parameter
stopping simulation
Subsystem block
adding to create subsystem
opening
zero crossings
subsystems
and Inport blocks
controlling access to
creating
displaying parent of
labeling ports
model hierarchy
opening
path
underlying blocks
Sum block
algebraic loops
summary of mouse and keyboard actions
suspending simulation
Switch block
zero crossings
switching output between inputs <1> <2>
switching output between values
System section of mdl file
systems
current
path
systems debug command
tbreak debug command
terminating MATLAB
terminating Simulink
terminating Simulink session
Terminator block
test case
creating
test case, running
text command
tf2ss utility
time delay, simulating
time interval and simulation speed
tips for building models
To File block
To Workspace block
example
trace debug command
tracing facilities
Transfer Fcn block
algebraic loops
example
linearization
transfer function form, converting to
transfer functions
discrete
linear
masked block icons
poles and zeros
poles and zeros, discrete
transparent icon
Transport Delay block
linearization
Trapezoidal method
trigger
control signal, outputting
events <1> <2>
falling
input
rising <1> <2>
type parameter
Trigger block
creating triggered subsystem
outputting trigger signal
showing output port
trigger type
either
triggered and enabled subsystems <1> <2>
triggered subsystems <1> <2> <3>
Trigonometric Function block
trim function <1> <2> <3>
truth tables, implementing
tunable parameters <1> <2> <3>
unconnected input ports
unconnected output ports, capping
undisp debug command
Undo menu item
UndoDeleteFcn block callback parameter <1> <2>
Uniform Random Number block
uniformly distributed random numbers
Unit Delay block
compared to Transport Delay block
Unmask button on Mask Editor
unstable simulation results
untrace debug command
Update Diagram menu item <1> <2> <3> <4>
updating states
URL specification in block help
user
specifying current
variable time delay
Variable Transport Delay block
variable-step solvers <1> <2>
vdp model
using Scope block
vector length, checking
vector signals
displaying
generating from inputs
separating
version control model parameters
vertices, moving
viewing output trajectories
virtual blocks
virtual signals
viscous friction
visibility of Goto tag
visible icon frame
web command and masked block help
white noise, generating
Width block
window reuse
workspace
destination
loading from
mask <1> <2>
reading data from
saving to
source
writing output to
writing to
Workspace I/O page of Simulation Parameters dialog box
writing
data to data store
output to file
output to workspace
xbreak debug command
XOR operator
XY Graph block
zcbreak debug command
zclist debug command
zero crossings
detecting <1> <2>
disabling detection of
zero output in region, generating
zero-crossing slope method
zero-crossings
disabled by nondouble data types
Zero-Order Hold block <1> <2>
compared to First-Order Hold block <1> <2>
Zero-Pole block
algebraic loops
zero-pole form, converting to
Zooming block diagrams
zooming in on displayed data