F := int(1/((-x^2+1)*(-r*x^2+1))^(1/2), x = 0 .. 1):) V, [0 u" y4 L' \, k, m
G := subs(r = (u2^2+u3^2)/(u1^2+u3^2), F): . u+ n6 N5 _ o, LQ := subs({u1 = 2.2*10^2, u2 = 0}, G): 1 @2 K0 S+ k" @/ ]. L2 _; q Rplot(Q, u3 = -10 .. 10) % [( E4 {$ _2 \4 t5 I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 9 H- P; [) S$ z" v) u' x& q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?6 Z4 P+ ?6 y$ M