F := int(1/((-x^2+1)*(-r*x^2+1))^(1/2), x = 0 .. 1):* `1 k3 a0 A, A# z
G := subs(r = (u2^2+u3^2)/(u1^2+u3^2), F): # _. F N! Z! I+ G: RQ := subs({u1 = 2.2*10^2, u2 = 0}, G): 2 J* M* }; f5 x' {+ M5 vplot(Q, u3 = -10 .. 10) & Q1 ?/ C5 k. G% l5 @这个程序运行的时候提示Warning, unable to evaluate the function to numeric values in the region; see the plotting command's help page to ensure the calling sequence is correct% D* r* ~! b/ y3 G+ e( h% e+ g* z+ c2 e0 N
是调用顺序上错误,能帮我看看是哪里的调用顺序有问题吗? 4 B( a! h7 S: l