新人求带，计算一个方程组

xiaoge603

A = {{-2 (1 - a) - a,
0 c9 R3 j& C6 v# |# m, H  q   0, -(1 - a) Derivative[1][c][r] -
; v7 }5 @# @, A5 C    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] -
( u- B3 h) L  K+ r( O0 X6 U    a Derivative[1][c][r], -(1 - a) Derivative[1][c][
, q  F* j8 D5 `- N     r], (1 - a) (-x (c^\[Prime]\[Prime])[r] -
' S) r+ W* ]. L       y (c^\[Prime]\[Prime])[r] - (p^\[Prime]\[Prime])[r]) +
. s# @- i# a4 G6 u" I# Q    a ((-Q - y) (c^\[Prime]\[Prime])[r] -
# m) h. U1 l5 X       n (p^\[Prime]\[Prime])[r]), -a Derivative[1][p][r]}, {A - c -
6 L8 r7 P' c& v1 b    n x - n y - n (x + y), A - a b - c - t - n x - n y - n (x + y), 0,
' b; Y5 {  c; K    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
! D0 p# w) M9 d( B

# h% k9 i( J; C6 D

数学中国YY主管

程序有错误吧
! O9 m" |; N" p1 o7 V5 z8 Q' \