新人求带，计算一个方程组

xiaoge603

A = {{-2 (1 - a) - a,
   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] -
4 Y+ p9 d0 [5 ^5 A4 Y; r( \# ~5 G    a Derivative[1][c][r], -(1 - a) Derivative[1][c][
$ k0 ^$ K' h; w7 V     r], (1 - a) (-x (c^\[Prime]\[Prime])[r] -
       y (c^\[Prime]\[Prime])[r] - (p^\[Prime]\[Prime])[r]) +
    a ((-Q - y) (c^\[Prime]\[Prime])[r] -
1 }. `0 s+ K5 L4 r/ y6 E$ O" j! h% {       n (p^\[Prime]\[Prime])[r]), -a Derivative[1][p][r]}, {A - c -
    n x - n y - n (x + y), A - a b - c - t - n x - n y - n (x + y), 0,
# @) |5 z0 j5 S+ k" G/ ], f( I, L    x (-x - y) + (-x - y) y}}; B = {0, (-1 + a - a n) K, 0, -x K}
! l  _+ `. I& N# `* `  F1 F; `3 E3 ?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
: @2 N+ Q( w' L% x; Y9 Y/ C% ]/ H" w

数学中国YY主管

程序有错误吧
0 d5 F) U( C# a3 I  _6 ~