F := int(1/((-x^2+1)*(-r*x^2+1))^(1/2), x = 0 .. 1):% @5 F7 o+ E, l- F" a
G := subs(r = (u2^2+u3^2)/(u1^2+u3^2), F): # O8 ]( Z4 i- }& b0 QQ := subs({u1 = 2.2*10^2, u2 = 0}, G): 5 y6 p; o; P2 J/ k' xplot(Q, u3 = -10 .. 10) & J8 V7 h* D8 l5 a- [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 correct7 l" h$ c8 H' P* o( w
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?- g* r' a' i% w