新人求带，计算一个方程组

xiaoge603

A = {{-2 (1 - a) - a,
   0, -(1 - a) Derivative[1][c][r] -
. f+ w6 E0 _! @, R    a Derivative[1][c][r], (1 - a) (-x - y) +
    a (-x - y)}, {0, -2 (1 - a), -(1 - a) Derivative[1][c][
0 H3 o0 b6 |4 H' m* l% {     r], -a (-a b + t)}, {-(1 - a) Derivative[1][c][r] -
    a Derivative[1][c][r], -(1 - a) Derivative[1][c][
  y: C- l% \" u: c     r], (1 - a) (-x (c^\[Prime]\[Prime])[r] -
! [5 U; B8 O, h" P- R6 J7 M1 ]       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 -
8 g; c3 h* r) R9 k: N    n x - n y - n (x + y), A - a b - c - t - n x - n y - n (x + y), 0,
7 D( D8 q# Z! A0 \    x (-x - y) + (-x - y) y}}; B = {0, (-1 + a - a n) K, 0, -x K}
% k+ q; F5 l: s3 o% XLinearSolve[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


  H( b8 E) }, e. ~

数学中国YY主管

程序有错误吧