[Java] 实现矩阵的运算

I. Implement Matrix Operations in Java import java.text.DecimalFormat; /** * 实现矩阵的运算 * * @author Regino * class Matrix: * - height(): return no. of rows(行数) * - width(): return no. of columns(列数) * - add(Matrix target), multiply(double target): Linear Operations(线性运算) * - multiply(Matrix tar