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| __construct (Matrix $matrix) |
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| getL () |
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| | getP () |
| | Return pivot permutation vector.
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| | getPivot () |
| | Return pivot permutation vector.
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| | getU () |
| | Get upper triangular factor.
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| | isNonsingular () |
| | Is the matrix nonsingular?
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| | solve (Matrix $B) |
| | Solve A*X = B.
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◆ getP()
| Matrix\Decomposition\LU::getP |
( |
| ) |
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Return pivot permutation vector.
- Return values
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◆ getPivot()
| Matrix\Decomposition\LU::getPivot |
( |
| ) |
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Return pivot permutation vector.
- Return values
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◆ getU()
| Matrix\Decomposition\LU::getU |
( |
| ) |
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Get upper triangular factor.
- Return values
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◆ isNonsingular()
| Matrix\Decomposition\LU::isNonsingular |
( |
| ) |
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Is the matrix nonsingular?
- Return values
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| bool | true if U, and hence A, is nonsingular |
◆ solve()
| Matrix\Decomposition\LU::solve |
( |
Matrix | $B | ) |
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Solve A*X = B.
- Parameters
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| Matrix | $B | a Matrix with as many rows as A and any number of columns |
- Exceptions
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- Return values
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| Matrix | X so that L*U*X = B(piv,:) |
The documentation for this class was generated from the following file:
- lib/phpspreadsheet/markbaker/matrix/classes/src/Decomposition/LU.php
1.13.2