A = {{-2 (1 - a) - a, 3 y9 a4 B# _4 ^: n( k! K
0, -(1 - a) Derivative[1][c][r] - 0 J6 B4 d/ _: [9 A
a Derivative[1][c][r], (1 - a) (-x - y) + 2 s/ Q5 n& q2 N% ?( e a (-x - y)}, {0, -2 (1 - a), -(1 - a) Derivative[1][c][ ; e1 ^# Y2 M, S- J$ h, o8 T r], -a (-a b + t)}, {-(1 - a) Derivative[1][c][r] - " L: S2 n: X8 S
a Derivative[1][c][r], -(1 - a) Derivative[1][c][. I! g- a5 `7 H/ @) n
r], (1 - a) (-x (c^\[Prime]\[Prime])[r] - 3 T5 c) x9 x: V y (c^\[Prime]\[Prime])[r] - (p^\[Prime]\[Prime])[r]) + . ~; S7 r5 G. h! J
a ((-Q - y) (c^\[Prime]\[Prime])[r] - ) m; R7 W, L! m, k7 C; l
n (p^\[Prime]\[Prime])[r]), -a Derivative[1][p][r]}, {A - c - - W4 X2 K' F. [3 V6 }4 N1 T
n x - n y - n (x + y), A - a b - c - t - n x - n y - n (x + y), 0, $ {! d6 } W \6 h x (-x - y) + (-x - y) y}}; B = {0, (-1 + a - a n) K, 0, -x K}, ?2 h2 t. Z' Q) a
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 , W* K9 F# I. O% T+ {$ \: U4 k* M* y% W X1 B9 o x1 h* R
% j0 f' G9 t* c T: a% u