F := int(1/((-x^2+1)*(-r*x^2+1))^(1/2), x = 0 .. 1):' ~$ V5 o& I5 k3 l! m( y
G := subs(r = (u2^2+u3^2)/(u1^2+u3^2), F):; W: Y, t1 v! ]! ~
Q := subs({u1 = 2.2*10^2, u2 = 0}, G): / m" h& B9 l" N+ n9 Bplot(Q, u3 = -10 .. 10) 6 t& _, O9 q8 t& M) ]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$ s% K$ n4 j9 s J8 i
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 j- m- q* a! F3 w" n