Programming and Graphics

F.6User-defined functions 353

Function Purpose

abs Absolute value

acos Inverse cosine

acosh Inverse hyperbolic cosine

acot Inverse cotangent

acoth Inverse hyperbolic cotangent

acsc Inverse cosecant

acsch Inverse hyperbolic cosecant

angle Phase angle

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

ceil Round toward plus infinity.

cart2pol Cartesian-to-polar coordinate conversion

cart2sph Cartesian-to-spherical coordinate conversion

conj Complex conjugate

cos Cosine

cosh Hyperbolic cosine

cot Cotangent

coth Hyperbolic cotangent

csc Cosecant

csch Hyperbolic cosecant

exp Exponential

expm Matrix exponential

fix Round toward zero

floor Round toward minus infinity

gcd Greatest common divisor

imag Complex imaginary part

lcm Least common multiple

log Natural logarithm

log10 Common logarithm

pol2cart Polar-to-Cartesian coordinate conversion

real Real part

rem Remainder after division

round Round toward the nearest integer

Table F.5.1Common and specializedMatlabmathematical functions. Contin-
ued on next page.