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> Full Name: Wang zongmin > Email Address: address@hidden > Organization: Hebei bureau of meteorology > Package Version: 3.0u2 build date:2012-02-10 17:21 UTC > Operating System: Windows XP > Hardware: Java: home: C:\Program Files\IDV_3.0u2\jre version: 1.6.0_20 > j3d:1.5.2 fcs (build4) > Description of problem: > > I found a error in calculating relvort and div,the resion is that ddx(u) > changed to ddy(u). > > Please check it. > Hello Zongmin, I need more information to identify the issue you reported. Are you talking about the derived quantities, or using the formula when you saw this issue? This formula is well tested and being used for a long time, it may have bug in it even though my feeling is again the user error. Yuan > Ticket Details =================== Ticket ID: SRK-967099 Department: Support IDV Priority: Normal Status: Closed