F := int(1/((-x^2+1)*(-r*x^2+1))^(1/2), x = 0 .. 1):9 Q# V2 F/ W8 a# H& V3 B
G := subs(r = (u2^2+u3^2)/(u1^2+u3^2), F): 2 i% }5 E9 C& \6 LQ := subs({u1 = 2.2*10^2, u2 = 0}, G):! s7 v- I! ]* E7 ? L
plot(Q, u3 = -10 .. 10)6 |) o/ Y: R0 u3 N/ p
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 correct1 s$ K+ Z' r. }' n' I2 ]
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? 7 @! Z" `* x( k% [& m