The Nematrian Function Library
Matrix Manipulation Functions
[this page | pdf | references | back links]
The Nematrian function library includes a range of tools that
are useful for manipulating matrices.
The web functions available include ones set out in the
table below. To see a complete list of functions currently available in the
Nematrian online toolkit please go to list of types of available
functions or complete
list of individual functions.
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Web function | Short description of function |
MnMatAntiSym | Returns the anti-symmetrised version of a square matrix |
MnMatDet | Returns the determinant of a square matrix |
MnMatInverse | Returns the inverse of a square matrix |
MnMatLT | Returns the lower triangular version of a symmetrical square matrix |
MnMatLUDecomposition | Returns the LU decomposition (without index and permutation sign) of a square matrix |
MnMatLUDet | Returns the determinant of the LU decomposition of a square matrix |
MnMatLUEqnSolve | Returns the solution to a (matrix) equation given the LU decomposition of the relevant square matrix |
MnMatLUIndexAndPerm | Returns the LU index and permutation sign (without decomposition) of a square matrix |
MnMatLUInverse | Returns the inverse of a square matrix given as input its LU decomposition |
MnMatLUVecSolve | Returns the solution to a (vector) equations given the LU decomposition of the relevant square matrix |
MnMatProduct | Returns the product of two matrices (explicitly passing sizes of the matrices) |
MnMatSym | Returns the symmetrised version of a square matrix |
MnMatTrace | Returns the trace of a square matrix |
MnMatUnit | Returns a unit matrix |
MnMatUT | Returns the upper triangular version of a symmetrical square matrix |