F := int(1/((-x^2+1)*(-r*x^2+1))^(1/2), x = 0 .. 1):: j7 e- {+ ]( i' Y- f' `% j6 y: ^3 d
G := subs(r = (u2^2+u3^2)/(u1^2+u3^2), F):. u2 `! u5 I9 `6 C: C
Q := subs({u1 = 2.2*10^2, u2 = 0}, G): 6 L) B4 q" w0 \: y3 z3 o$ @1 `plot(Q, u3 = -10 .. 10) - k2 y }3 z. `& {4 q/ L( r* W2 n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 : @: b$ A: s0 ~9 f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?( \0 j2 }' v! t8 T. t