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solve

solve — symbolic linear system solver

Calling sequence

[x]=solve(A,b)

Parameters

A,b,x : matrix (resp. vectors) of character strings

Description

solves A*x = b when A is an upper triangular matrix made of character strings.

Examples



A=['1','a';'0','2'];   //Upper triangular 
b=['x';'y'];
w=solve(A,b)
a=1;x=2;y=5;
evstr(w)
inv([1,1;0,2])*[2;5]

See also

trianfml
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