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5.4.0 - English

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Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function

Scilab help >> Sparse Matrix

Sparse Matrix

• Sparse Decompositions
  • ludel — utility function used with lufact
  • lufact — sparse lu factorization
  • luget — extraction of sparse LU factors
  • lusolve — sparse linear system solver
  • spchol — sparse cholesky factorization
• Linear Equations (Iterative Solvers)
  • gmres — Generalized Minimum RESidual method
  • pcg — precondioned conjugate gradient
  • qmr — quasi minimal resiqual method with preconditioning
• Sparse Matrix Manipulation
  • issparse — determine whether input is sparse
  • nnz — number of non zero entries in a matrix
  • speye — sparse identity matrix
  • spones — sparse matrix
  • sprand — sparse random matrix
  • spzeros — sparse zero matrix
• Sparse Matrix Conversion
  • adj2sp — converts adjacency form into sparse matrix.
  • full — sparse to full matrix conversion
  • mtlb_sparse — convert sparse matrix
  • sp2adj — converts sparse matrix into adjacency form
  • sparse — sparse matrix definition
  • spcompack — converts a compressed adjacency representation
  • spget — retrieves entries of sparse matrix
• chfact — sparse Cholesky factorization
• chsolve — sparse Cholesky solver
• ordmmd — Compute multiple minimum degree ordering

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