新人求带，计算一个方程组

xiaoge603

A = {{-2 (1 - a) - a,
3 G- ]' _; u7 P) ^! Z   0, -(1 - a) Derivative[1][c][r] -
) C' ^( V# m& y  u5 Y7 }$ u    a Derivative[1][c][r], (1 - a) (-x - y) +
" p# f0 [2 `  M& ~( I+ ?) L7 i0 y0 {    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][
; w( ^6 Z# @) z8 Z9 q: e' S" e3 x     r], (1 - a) (-x (c^\[Prime]\[Prime])[r] -
       y (c^\[Prime]\[Prime])[r] - (p^\[Prime]\[Prime])[r]) +
+ D/ [( _9 a3 Y( b    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,
2 u( F1 l- B2 {    x (-x - y) + (-x - y) y}}; B = {0, (-1 + a - a n) K, 0, -x K}
6 D9 T, c5 n* D; |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


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数学中国YY主管

程序有错误吧
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