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)
(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)
(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)
tan(x), cot(x)
the trigonometric functions
always with paranthesis !!!
always with paranthesis !!!
asin(x), acos(x),
atan(x)
the arcus functions of sin, cos and tan
atan(x)
sinh(x), cosh(x),
tanh(x)
sinus, cosinus and tangens hyperbolicus
tanh(x)
fac(n) = 1·2·...·n
the factorial of a natural number n
erf(x)
error function (Chebyshev Approximation)