python数学实验与建模第三章、第四章部分题解答
3.6求解下列线性方程组import sympy as spA = sp.Matrix([[1,2,1,-1], [3,6,-1,-3], [5,10,1,-5]])result = A.nullspace()print("A的通解为: ", result)import sympy as spA = sp.Matrix([[2,1,-1,1],[4,2,-2,1],[2,1,-1,-1]])b = sp.Matrix([1,2,1])b.transpose() #转置矩阵C