新人求带，计算一个方程组

xiaoge603

A = {{-2 (1 - a) - a,
   0, -(1 - a) Derivative[1][c][r] -
$ ]* [, S; J/ v/ o% [" z    a Derivative[1][c][r], (1 - a) (-x - y) +
    a (-x - y)}, {0, -2 (1 - a), -(1 - a) Derivative[1][c][
7 P: e$ ~1 L  s0 u1 O     r], -a (-a b + t)}, {-(1 - a) Derivative[1][c][r] -
    a Derivative[1][c][r], -(1 - a) Derivative[1][c][
     r], (1 - a) (-x (c^\[Prime]\[Prime])[r] -
       y (c^\[Prime]\[Prime])[r] - (p^\[Prime]\[Prime])[r]) +
    a ((-Q - y) (c^\[Prime]\[Prime])[r] -
6 P9 t- Y4 h6 m( ~1 A# J2 y* L, j% C       n (p^\[Prime]\[Prime])[r]), -a Derivative[1][p][r]}, {A - c -
0 Y% r8 C$ j1 ?/ I' k7 I    n x - n y - n (x + y), A - a b - c - t - n x - n y - n (x + y), 0,
4 a( Y+ f+ N; C9 o( _0 g5 c+ Y    x (-x - y) + (-x - y) y}}; B = {0, (-1 + a - a n) K, 0, -x K}
$ @0 y5 l; k1 E5 L5 o9 }7 vLinearSolve[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

/ q# V$ K6 |6 D5 V6 o) L& B5 _
' q4 z+ G  X# p8 T5 ?/ x+ K

数学中国YY主管

程序有错误吧
4 a0 F5 A) |4 ^