谁帮我解释下这个为什么错误？
>> y=dsolve('y=x*Dy-(Dy)^2','x')??? Subscript indices must either be real positive integers or logicals.
Error in ==> dsolve at 196
indx(isalphanumunder(eq_str(indx-1))|isalphanumunder(eq_str(indx-1))) = [];
[ 本帖最后由 ChaChing 于 2010-6-14 14:38 编辑 ] 2007a运行出错，说是maple的问题，但是6.5却OK！！！
y=dsolve('y=x*Dy-(Dy)^2','x')
y =
[ x*C1-C1^2]
[ 1/4*x^2]
[ 本帖最后由 ydlcsu 于 2009-3-12 20:33 编辑 ]
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