<?php
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/**
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*
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* Function code for the matrix inverse() function
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*
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* @copyright Copyright (c) 2018 Mark Baker (https://github.com/MarkBaker/PHPMatrix)
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* @license https://opensource.org/licenses/MIT MIT
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*/
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namespace Matrix;
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/**
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* Returns the inverse of a matrix or an array.
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*
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* @param Matrix|array $matrix Matrix or an array to treat as a matrix.
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* @return Matrix The new matrix
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* @throws Exception If argument isn't a valid matrix or array.
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*/
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function inverse($matrix)
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{
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if (is_array($matrix)) {
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$matrix = new Matrix($matrix);
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}
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if (!$matrix instanceof Matrix) {
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throw new Exception('Must be Matrix or array');
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}
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return Functions::inverse($matrix);
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}
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