Using the C++ Math Library

Operators and Special Functions

Arithmetic Operator Functions 

Function	Purpose
kron	Kronecker tensor product.
minus	Array subtraction (-).
mldivide	Matrix left division (\).
mpower	Matrix power (^).
mrdivide	Matrix right division (/).
mtimes	Matrix multiplication (*).
plus	Array addition (+).
power	Array power (.^).
rdivide	Array right division (./).
times	Array multiplication (.*).
unaryminus	Unary minus (-).

Relational Operator Functions 

Function	Purpose
eq	Equality (==).
ge	Greater than or equal to (>=).
gt	Greater than (>).
le	Less than or equal to (<=).
lt	Less than (<).
neq	Inequality (~=).

Logical Operator Functions 

Function	Purpose
all	True if all elements of vector are nonzero.
and_func	Logical AND (&).
any	True if any element of vector is nonzero.
not_func	Logical NOT (~).
or_func	Logical OR (|).
xor_func	Logical exclusive-or operation.

Set Operators 

Function	Purpose
intersect	Set intersection of two vectors.
ismember	True for set member.
setdiff	Set difference.
setxor	Set exclusive OR.
union_func	Set union.
unique	Set unique.

Special Operator Functions 

Function	Purpose
colon	Colon operator (:).
ctranspose	Complex Conjugate Transpose (').
end	Indexes to the end of an array.
horzcat	Horizontal concatenation.
transpose	Noncomplex conjugate transpose (.').
vertcat	Vertical concatenation.

Logical Functions 

Function	Purpose
find	Find indices of nonzero elements.
finite	Make elements finite.
ischar	True for character arrays.
isempty	True for empty array.
isfinite	True for finite elements of an array.
isieee	True for IEEE floating-point arithmetic.
isequal	True for input arrays of the same type, size, and contents.
isinf	True for infinite elements.
isletter	True for string elements that are letters of the alphabet.
islogical	True for logical arrays.
isnan	True for Not-a-Number.
isreal	True for noncomplex matrices.
isspace	True for whitespace characters in string matrices.
isstr	True for text strings.
isstudent	True for student editions of MATLAB.
isunix	True on UNIX machines.
isvms	True on computers running DEC's VMS.
logical	Convert numeric values to logical.
tobool	Convert an array to a Boolean value by reducing the rank of the array to a scalar.

Bitwise Functions 

Function	Purpose
bitand_func	Bitwise AND.
bitcmp	Complement bits.
bitget	Get bit.
bitmax	Maximum floating-point integer.
bitor_func	Bitwise OR.
bitset	Set bit.
bitshift	Bitwise shift.
bitxor	Bitwise XOR.

MATLAB as a Programming Language 

Function	Purpose
feval	Function evaluation.
lasterr	Last error message.
mfilename	Return the NULL array. M-file execution does not apply to stand-alone applications.
nargchk	Validate number of input arguments.
xyzchk	Check arguments to 3-D data routines.

Message Display 

Function	Purpose
error	Display message and abort function.
warning	Display warning message.

General Purpose Commands

Elementary Matrices and Matrix Manipulation