F := int(1/((-x^2+1)*(-r*x^2+1))^(1/2), x = 0 .. 1):& p2 Z# q3 {1 T+ B6 K1 o1 A
G := subs(r = (u2^2+u3^2)/(u1^2+u3^2), F): ! U$ ~& ~5 a5 F AQ := subs({u1 = 2.2*10^2, u2 = 0}, G): 8 _, G$ V7 J. vplot(Q, u3 = -10 .. 10)+ R$ V; M4 m- x% w& \
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: P$ A5 t. A2 y
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?$ J6 b7 g0 l9 |