/**
 *
 * 行列計算の簡易な実装
 *
 * @module
 */
export declare type Matrix2d = {
    arr: number[][];
    rowsN(): number;
    colsN(): number;
};
export declare function matrix2d(value: number[][]): Matrix2d;
export declare function product(m1: Matrix2d, m2: Matrix2d): Matrix2d;
export declare function add(m1: Matrix2d, m2: Matrix2d): Matrix2d;
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