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DSolve bug

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  • Subject: [mg97768] DSolve bug
  • From: Sotirios Bonanos <sbonano at>
  • Date: Sat, 21 Mar 2009 05:16:25 -0500 (EST)


I have encountered the following bug in DSolve: 

DSolve[D[F[x, y, z], x, y] == 0, F[x, y, z], {x, y, z}] 

gives {{F[x, y, z] -> C[1][z][x] + C[2][z][y]}} 

instead of {{F[x, y, z] -> C[1][x, z] + C[2][y, z]}} 

I don't know if this has been fixed in Mathematica 7, but it is present in versions 5 and 6. 

S. Bonanos 

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