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DSolve bug

• To: mathgroup at smc.vnet.net
• Subject: [mg97768] DSolve bug
• From: Sotirios Bonanos <sbonano at inp.demokritos.gr>
• Date: Sat, 21 Mar 2009 05:16:25 -0500 (EST)

Hello, 

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 
http://www.inp.demokritos.gr/~sbonano/ 

• Follow-Ups:
  • Re: DSolve bug
    • From: DrMajorBob <btreat1@austin.rr.com>