F := int(1/((-x^2+1)*(-r*x^2+1))^(1/2), x = 0 .. 1): 6 E% E( S Z6 r( j* I" ZG := subs(r = (u2^2+u3^2)/(u1^2+u3^2), F): ) v# y, H; ]3 Q! J# IQ := subs({u1 = 2.2*10^2, u2 = 0}, G): - c: B% H4 Z: E( a: V5 L% T. [plot(Q, u3 = -10 .. 10) 4 M; b q6 _" j/ _. e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! e7 w1 l U% b7 N7 A
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? 5 t0 M+ T: `) }' e/ Y' Z* }