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Scilab help >> Elementary Functions > Symbolic > trisolve

trisolve

symbolic linear system solver

Calling Sequence

[x [,sexp]] = trisolve(A,b [,sexp])

Arguments

A,b: matrices of strings

Description

symbolically solves A*x =b , A being assumed to be upper triangular.

sexp is a vector of common subexpressions in A, b, x.

Examples

A=['x','y';'0','z'];b=['0';'1'];
w=trisolve(A,b)
x=5;y=2;z=4;
evstr(w)
inv(evstr(A))*evstr(b)

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trisolve

Calling Sequence

Arguments

Description

Examples

See Also