Using the C++ Math Library

Elementary Math Functions

Trigonometric Functions 

Function	Purpose
acos	Inverse cosine.
acosh	Inverse hyperbolic cosine.
acot	Inverse cotangent.
acoth	Inverse hyperbolic cotangent.
acsc	Inverse cosecant.
acsch	Inverse hyperbolic cosecant.
asec	Inverse secant.
asech	Inverse hyperbolic secant.
asin	Inverse sine.
asinh	Inverse hyperbolic sine.
atan	Inverse tangent.
atan2	Four quadrant inverse tangent.
atanh	Inverse hyperbolic tangent.
cos	Cosine.
cosh	Hyperbolic cosine.
cot	Cotangent.
coth	Hyperbolic cotangent.
csc	Cosecant.
csch	Hyperbolic cosecant.
sec	Secant.
sech	Hyperbolic secant.
sin	Sine.
sinh	Hyperbolic sine.
tan	Tangent.
tanh	Hyperbolic tangent.

Exponential Functions 

Function	Purpose
exp	Exponential.
log	Natural logarithm.
log10	Common (base 10) logarithm.
log2	Base 2 logarithm and dissect floating-point numbers.
nextpow2	Next higher power of 2.
pow2	Base 2 power and scale floating-point numbers.
reallog	Guarantee output from log is a noncomplex matrix.
reallog10	Guarantee output from log10 is a noncomplex matrix.
realpow	Guarantee output from power is a noncomplex matrix.
realsqrt	Guarantee output from sqrt is a noncomplex matrix.
sqrt	Square root.

Complex Functions 

Function	Purpose
abs	Absolute value.
angle	Phase angle.
conj	Complex conjugate.
cplxpair	Sort numbers into complex conjugate pairs.
imag	Complex imaginary part.
isreal	True for noncomplex arrays.
real	Real part of complex array.
unwrap	Remove phase angle jumps across 360° boundaries.

Rounding and Remainder Functions 

Function	Purpose
ceil	Round toward plus infinity.
fix	Round toward zero.
floor	Round toward minus infinity.
mod	Modulus (signed remainder after division).
rem	Remainder after division.
round	Round toward nearest integer.
sign	Signum function.

Elementary Matrices and Matrix Manipulation

Specialized Math Functions