新人求带，计算一个方程组

xiaoge603

A = {{-2 (1 - a) - a,
' P4 @& l) i8 a% b   0, -(1 - a) Derivative[1][c][r] -
    a Derivative[1][c][r], (1 - a) (-x - y) +
    a (-x - y)}, {0, -2 (1 - a), -(1 - a) Derivative[1][c][
     r], -a (-a b + t)}, {-(1 - a) Derivative[1][c][r] -
    a Derivative[1][c][r], -(1 - a) Derivative[1][c][
& o/ M) @8 D2 w     r], (1 - a) (-x (c^\[Prime]\[Prime])[r] -
       y (c^\[Prime]\[Prime])[r] - (p^\[Prime]\[Prime])[r]) +
% F* i* T5 x7 w( h3 N6 b9 k  k    a ((-Q - y) (c^\[Prime]\[Prime])[r] -
8 V6 \# H, X+ B# ]0 X       n (p^\[Prime]\[Prime])[r]), -a Derivative[1][p][r]}, {A - c -
( N+ s( Y0 B7 s; I: i* C    n x - n y - n (x + y), A - a b - c - t - n x - n y - n (x + y), 0,
    x (-x - y) + (-x - y) y}}; B = {0, (-1 + a - a n) K, 0, -x K}
LinearSolve[A, B]，为何解不出来。。。。。每次都是显示一些递归深度之类的。。。。求解求解
! {6 S- M( i* ^8 g

数学中国YY主管

程序有错误吧