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@@ -12,8 +12,8 @@ In the generic framework, there are predefined expressions for constants of func |
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|Standard Operations| +,-,/,*,^ |1+2, pi/2| |
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|Absolute value| abs(arg) or |arg| | abs(x), | |
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|Trigonometric functions| sin, cos, tan, asin, acos, atan, sinh, cosh, tanh, asinh, acosh, atanh| sin(2*pi), (cos(x))^2 | |
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-| Signum | sign(arg) | sign(2) = 1, sign(0)=0, sign(-2)=-1| |
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-|Theta | theta(arg) | theta(x) = 1, $\forall x \geq 0$| |
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+| Signum | sign(arg) | sign(x) = 1, x>0; sign(0)=0; sign(x)=-1,x<0| |
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+|Theta | theta(arg) | theta(x) = 1,x>=0; theata(x)=0, x<0| |
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|Dirac delta function (1 for x = 0, 0 otherwise)| dirac(arg) | dirac(x)| |
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|Exponential function| exp(x) or e^x |exp(2*x)| |
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