新人求带，计算一个方程组

xiaoge603

A = {{-2 (1 - a) - a,
   0, -(1 - a) Derivative[1][c][r] -
$ w, U  m" ^9 y2 T' |. r    a Derivative[1][c][r], (1 - a) (-x - y) +
) u# Q" R2 L! @* y. ^0 L& p    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][
5 N- T1 I3 _* U- Z/ r# [     r], (1 - a) (-x (c^\[Prime]\[Prime])[r] -
# S1 I8 y) J) V* @       y (c^\[Prime]\[Prime])[r] - (p^\[Prime]\[Prime])[r]) +
    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,
7 S: {4 G5 h5 M9 \    x (-x - y) + (-x - y) y}}; B = {0, (-1 + a - a n) K, 0, -x K}
: k9 t0 p, L, zLinearSolve[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


, d' E" I7 H% ~

数学中国YY主管

程序有错误吧
: S. w2 a( Z* c0 |% Y6 @) @/ y