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    Lapack::solveLinearEquation

    (PECL lapack >= 0.1.0)

    Lapack::solveLinearEquation — Solve a system of linear equations

    Descrierea

    public static Lapack::solveLinearEquation ( array $a , array $b ) : array

    This function computes the solution to the system of linear equations with a square matrix A and multiple right-hand sides B. Solves A * X = B for multiple B.

    Parametri

    a

    Square matrix of linear equations

    b

    Right hand side to be solved for

    Valorile întoarse

    Matrix X

    Exemple

    Example #1 Using Lapack::singularValues():

    <?php

        $a     = array(
            array(     6.80,  -6.05,  -0.45,   8.32,  -9.67   ),
            array(-    2.11,  -3.30,   2.58,   2.71,  -5.14   ),
            array(     5.66,   5.36,  -2.70,   4.35,  -7.26   ),
            array(     5.97,  -4.44,   0.27,  -7.17,   6.08   ),
            array(     8.23,   1.08,   9.04,   2.14,  -6.87   ),
        );

            $b = array(
           array(      4.02,  -1.56,   9.81   ),
           array(      6.19,   4.00,  -4.09   ),
           array( -    8.22,  -8.67,  -4.57   ),
           array( -    7.57,   1.75,  -8.61   ),
           array( -    3.03,   2.86,   8.99   ),
        );

            $result = Lapack::solveLinearEquation($a, $b);

            ?>

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