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February 25, 2007, 13:32 |
Command on gradient
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#1 |
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In my case, at the end of every time step, I use UDF to calculate a UDS, this UDS does not transfer. I need the gradient of the UDS at the beginning of next time step. So I should update the UDS's gradient after I change its value. But I do not know how to da. Is there any command can be used to get the gradient? Thank you very much!
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