MATLAB Function Reference
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Elementary Math Functions

abs Absolute value and complex magnitude
acos, acosh Inverse cosine and inverse hyperbolic cosine
acot, acoth Inverse cotangent and inverse hyperbolic cotangent
acsc, acsch Inverse cosecant and inverse hyperbolic cosecant
angle angle Phase angle
asec, asech Inverse secant and inverse hyperbolic secant
asin, asinh Inverse sine and inverse hyperbolic sine
atan, atanh Inverse tangent and inverse hyperbolic tangent
atan2 Four-quadrant inverse tangent
ceil Round toward infinity
conj Complex conjugate
cos, cosh Cosine and hyperbolic cosine
cot, coth Cotangent and hyperbolic cotangent
csc, csch Cosecant and hyperbolic cosecant
exp Exponential
fix Round towards zero
floor Round towards minus infinity
gcd Greatest common divisor
imag Imaginary part of a complex number
lcm Least common multiple
log Natural logarithm
log2 Base 2 logarithm and dissect floating-point numbers into exponent and
log10 Common (base 10) logarithm
mod Modulus (signed remainder after division)
nchoosek Binomial coefficient or all combinations
real Real part of complex number
rem Remainder after division
round Round to nearest integer
sec, sech Secant and hyperbolic secant
sign Signum function
sin, sinh Sine and hyperbolic sine
sqrt Square root
tan, tanh Tangent and hyperbolic tangent



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