MatheAss 9.0Handling

Supported Functions

The function terms may include the operation signs + - * / ^ ( ) and the following functions:

sqr(x), x^2
the square x2

sqrt(x)
the square root √x

abs(x)
the absolute value |x|

int(x)
 
the floor function [x]
(the greatest integer less than or equal to x)

sgn(x)
the signe function ( -1 for x<0, 0 for x=0, 1 for x>0 )

rect(x)
the rectangular function ( 0 for |x|>½, 1 for |x|≤½ )

relu(x)
 
Rectified Linear Unit  max(0,x)
(Activation function in artificial neural networks)

exp(x), e^x
the natural exponential function  ex

ln(x)
the natural logarithm  loge(x)

log(x)
the decimal logarithm  log10(x)

sin(x), cos(x),
tan(x), cot(x)
the trigonometric functions
always with paranthesis !!!

asin(x), acos(x),
atan(x)
the arcus functions of sin, cos and tan

sinh(x), cosh(x),
tanh(x)
sinus, cosinus and tangens hyperbolicus

fac(n) = 1·2·...·n
the factorial of a natural number n

erf(x)
error function (Chebyshev Approximation)

See also:

Syntax Rules
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