新人求带，计算一个方程组

xiaoge603

A = {{-2 (1 - a) - a,
/ u9 \% b6 H% F6 e0 Y   0, -(1 - a) Derivative[1][c][r] -
) N% T7 W+ Y4 f0 z+ i  k& b. Y    a Derivative[1][c][r], (1 - a) (-x - y) +
    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][
# q& f: N( J2 b, n     r], (1 - a) (-x (c^\[Prime]\[Prime])[r] -
  f& O  Z) X! G9 `       y (c^\[Prime]\[Prime])[r] - (p^\[Prime]\[Prime])[r]) +
9 ~) b+ h  u* `% I5 F: H+ H+ D1 ^# F    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,
    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
- Z' w9 ?, h- Y0 D& `3 x& M5 p

数学中国YY主管

程序有错误吧