MathPHP\LinearAlgebra\Matrix::rowExclude PHP Method

    public function rowExclude(int $mᵢ) : Matrix
    {
        if ($mᵢ >= $this->m || $mᵢ < 0) {
            throw new Exception\MatrixException('Row to exclude does not exist');
        }
        $m = $this->m;
        $R = [];
        for ($i = 0; $i < $m; $i++) {
            if ($i === $mᵢ) {
                continue;
            }
            $R[$i] = $this->A[$i];
        }
        return MatrixFactory::create(array_values($R));
    }