xiaoge603 发表于 2016-1-4 11:05

新人求带,计算一个方程组

A = {{-2 (1 - a) - a,
   0, -(1 - a) Derivative -
    a Derivative, (1 - a) (-x - y) +
    a (-x - y)}, {0, -2 (1 - a), -(1 - a) Derivative[
     r], -a (-a b + t)}, {-(1 - a) Derivative -
    a Derivative, -(1 - a) Derivative[
     r], (1 - a) (-x (c^\\) -
       y (c^\\) - (p^\\)) +
    a ((-Q - y) (c^\\) -
       n (p^\\)), -a Derivative}, {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,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


数学中国YY主管 发表于 2016-1-8 16:41

程序有错误吧
页: [1]
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