【求助】如何用matlab LU分解的结果来求解A^T = b?

[dnping]

L*U=P*A;
A=inv(P)*L*U;
A'=(inv(P)*L*U)'
=U'*L'*(inv(P))';
A'*x=b => U'*L'*(inv(P))'*x=b;
……