from Matrix import Matrix




print('欢迎来到 InsCode')
print('以下为矩阵实现演示...')




print('矩阵变量'.center(50,'-'))
A = Matrix( [ [1, 2, 2],
              [2, 3, 2],
              [2, 2, 3]])

M = Matrix([    [0],
                [0],
                [2]])

B = Matrix( [ [1, 2, 3],
              [3, 2, -1],
              [2, 2, 2]] )
print("A:")
print(A)
print("M:")
print(M)
print("B:")
print(B)


# 加法
print("矩阵加法:A+B".center(50, '-'))
print(A + B)
print("矩阵减法:A-B".center(50,'-'))
print(A - B)
print("矩阵乘法:A*B".center(50, '-'))
print(A * B)
print("数乘矩阵:10*B".center(50, '-'))
print(10 * B)
print("矩阵除以数:A/10".center(50, '-'))
print(A / 10)
print("数除以矩阵（元素）:10/B".center(50, '-'))
print(10 / B)
print("矩阵元素访问(副本):A[1:, 1:]".center(50,'-'))
print(A[1:, 1:])

print("代数余子式:A.cofacor(0, 0)".center(50, '-'))
print(A.cofacor(0, 0))
print("行列式:A.det()".center(50, '-'))
print(A.det())
print("伴随矩阵:A.adj()".center(50, '-'))
print(A.adj())
print("矩阵逆:A.inv()".center(50, '-'))
print(A.inv())
print("矩阵转置:A.transpose()".center(50, '-'))
print(A.transpose())
print("矩阵秩:A.rank()".center(50, '-'))
print(A.rank())