新人求带，计算一个方程组

xiaoge603

A = {{-2 (1 - a) - a,
% W; X( b' n# L4 O* c3 z   0, -(1 - a) Derivative[1][c][r] -
    a Derivative[1][c][r], (1 - a) (-x - y) +
. B. j  k! A# ~2 b0 Q- p8 w    a (-x - y)}, {0, -2 (1 - a), -(1 - a) Derivative[1][c][
     r], -a (-a b + t)}, {-(1 - a) Derivative[1][c][r] -
; L: F! O: p+ x; T: g    a Derivative[1][c][r], -(1 - a) Derivative[1][c][
& E; W9 _" Z) J" ?     r], (1 - a) (-x (c^\[Prime]\[Prime])[r] -
/ n3 E+ B- R) Z  |, D3 Q. `4 x       y (c^\[Prime]\[Prime])[r] - (p^\[Prime]\[Prime])[r]) +
9 O, [$ F% `) r3 @7 a0 x7 {7 T    a ((-Q - y) (c^\[Prime]\[Prime])[r] -
5 L" O# N/ E+ T7 z% E& k       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,
; e& w# r; W. }  T6 ?    x (-x - y) + (-x - y) y}}; B = {0, (-1 + a - a n) K, 0, -x K}
$ D8 z& c* P6 Q1 h" cLinearSolve[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

" c8 a. F' e6 B: ?! p0 p

数学中国YY主管

程序有错误吧