F := int(1/((-x^2+1)*(-r*x^2+1))^(1/2), x = 0 .. 1): C& W/ [1 G0 _1 y3 L' w5 X
G := subs(r = (u2^2+u3^2)/(u1^2+u3^2), F): , d3 G6 r. ?2 v! J# e3 o% M. YQ := subs({u1 = 2.2*10^2, u2 = 0}, G): * I. C( k( G- oplot(Q, u3 = -10 .. 10) $ ~1 \- S* u, j, L6 }/ j4 N/ j- D' `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 @$ ?" j1 G9 ~8 j
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? $ v9 O4 W6 {$ a/ w1 u