Functions > Symbolic Functions > About Symbolic Functions
About Symbolic Functions
The following symbolic functions can only be evaluated using the symbolic evaluation operator (). They cannot be evaluated using the numerical evaluation operator (=). To return numerical results for these functions, use the keyword float.
FresnelC, FresnelS—Fresnel functions
LambertW—Lambert functions
Δ—Dirac delta functions
Ci, Chi, Si, Shi—Integral functions
Psi—Digamma and polygamma functions
Ei—Exponential integral functions
dilog, polylog—Logarithmic functions
beta, hypergeom and zeta—Beta, hypergeom, and Zeta functions
denom, fact2, IsPrime, numer—Denom, double-factorial, IsPrime, and Numerator functions
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