ZeroTest

ZeroTest

is an option to various linear algebra functions that gives a function to use in testing whether symbolic expressions should be treated as zero.

Details

Examples

Basic Examples  (1)

The automatic ZeroTest used by LinearSolve does not detect that mat is nonsingular:

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With a stronger zero test LinearSolve gives the correct answer:

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See Also

PossibleZeroQ  SameTest  Eigenvectors  Inverse  LinearSolve  MatrixRank  NullSpace  RowReduce

Tutorials

Introduced in 1988
(1.0)