matlab:能用matlab将 dy/dx=x*sin(x+y)
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matlab:能用matlab将 dy/dx=x*sin(x+y)
>> dsolve( 'Dy=x*sin(x+y)','x')
Warning: Explicit solution could not be found.
> In dsolve at 328
ans =
[ empty sym ]
分解为 dy1/dx=x*sin(x+y2) y2=y1 解微分方程组就可以