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Scilab help >> Sparse Matrix > Sparse Decompositions > ludel


utility function used with lufact

Calling Sequence




handle to sparse lu factors (output of lufact)


This function is used in conjunction with lufact. It clears the internal memory space used to store the result of lufact.

The sequence of commands [p,r]=lufact(A);x=lusolve(p,b);ludel(p); solves the sparse linear system A*x = b and clears p.

See Also

  • sparse — sparse matrix definition
  • lufact — sparse lu factorization
  • luget — extraction of sparse LU factors
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Last updated:
Mon Oct 01 17:34:51 CEST 2012