F := int(1/((-x^2+1)*(-r*x^2+1))^(1/2), x = 0 .. 1):# d, h" r! j% H* J; ~0 ~( ]( C# Y2 Z
G := subs(r = (u2^2+u3^2)/(u1^2+u3^2), F): : k! @( C+ A7 T& _$ M( _) cQ := subs({u1 = 2.2*10^2, u2 = 0}, G):, v s/ y7 W! a
plot(Q, u3 = -10 .. 10)8 @$ Y1 G6 @3 {3 C% H
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 ( A& ~ x9 f. Z+ q- p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?2 c( |/ C4 D1 Y7 D