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Is the grad([itex]\frac{\partial f}{\partial t}[/itex]) the same as [itex]\frac{\partial}{\partial t}[/itex](gradf)?
Thank you.
Thank you.
Is the grad([itex]\frac{\partial f}{\partial t}[/itex]) the same as [itex]\frac{\partial}{\partial t}[/itex](gradf)?