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SYMSCI Toolbox >> SYMSCI Toolbox > FreeSymbols

FreeSymbols

free symbols in symbolic expression

Calling Sequence

s: FreeSymbols( e )

Arguments

e

symbolic expression

s

set of symbols

Description

Returns a set s of all free symbols in expression e.

Examples

// expression
e = %(Sym("f(x,y)+3*z/y+g(z)"))

// free symbols in epression e
FreeSymbols(e)

// clean up
free(e);
clear e;

See Also

Authors

Bibliography

SymEngine: C++ library for fast symbolic manipulation.


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