新人求带，计算一个方程组

xiaoge603

A = {{-2 (1 - a) - a,
   0, -(1 - a) Derivative[1][c][r] -
0 ?- e) l7 P3 q: G, E5 S5 K6 h0 _$ r    a Derivative[1][c][r], (1 - a) (-x - y) +
3 |- }0 \) t& L: S' P& T    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][
* n+ }: p$ T1 y9 S     r], (1 - a) (-x (c^\[Prime]\[Prime])[r] -
       y (c^\[Prime]\[Prime])[r] - (p^\[Prime]\[Prime])[r]) +
$ M. o" t' _) G1 Y8 t    a ((-Q - y) (c^\[Prime]\[Prime])[r] -
       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,
+ b% }$ M! e6 r4 S% b/ j8 o    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

: G$ p2 K  g+ k! d/ \& k. P$ L

数学中国YY主管

程序有错误吧
: d. @  B2 _1 f& r, h4 V