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| ... | ... | @@ -11,7 +11,7 @@ In the generic framework, there are predefined expressions for constants of func |
| 11 | 11 | |Parentheses| () | (-x+1)*(x+2) | | |
| 12 | 12 | |Standard Operations| +,-,/,*,^ |1+2, pi/2| | |
| 13 | 13 | |Absolute value| abs(arg) or |arg| | abs(x), | | |
| 14 | -|Trigonometric functions| sin, cos, tan, asin, acos, atan, sinh, cosh, tanh, asinh, acosh, atanh| sin(2*pi), (cos(x))^2 |if z is a complex number, atan(z) is the phase of z. It is in the range (-pi, pi]| | |
| 14 | +|Trigonometric functions| sin, cos, tan, asin, acos, atan, sinh, cosh, tanh, asinh, acosh, atanh| sin(2*pi), (cos(x))^2 |if z is a complex number, atan(z) is the phase of z. It is in the range (-pi, pi], you may use also arcsin, arccos, etc| | |
| 15 | 15 | | Signum | sign(arg) | sign(x) = 1, x>0; sign(0)=0; sign(x)=-1,x<0| If the number field is complex or complex-rational, sign(arg) is only defined for im(arg)=0. | |
| 16 | 16 | |Theta/Heaviside | theta(arg) | theta(x) = 1,x>=0; theta(x)=0, x<0| If the number field is complex or complex-rational, theta(arg) is only defined for im(arg)=0. | |
| 17 | 17 | |Dirac delta function (1 for x = 0, 0 otherwise)| dirac(arg) | dirac(x)| If the number field is complex or complex-rational, dirac(arg) is only defined for im(arg)=0. | |
| 18 | 18 |