What is the meaning of $\displaystyle \;\;\frac{\partial u}{\partial t}(x,0)$

Is it equal to $\displaystyle \;\;\frac{\partial u(x,t)}{\partial t}\;\;then\;set\;x=0$

or $\displaystyle \;\;\;\frac{\partial u(x,0)}{\partial t}$

Printable View

- Feb 10th 2010, 03:21 PMyungmanClarification of PDE.
What is the meaning of $\displaystyle \;\;\frac{\partial u}{\partial t}(x,0)$

Is it equal to $\displaystyle \;\;\frac{\partial u(x,t)}{\partial t}\;\;then\;set\;x=0$

or $\displaystyle \;\;\;\frac{\partial u(x,0)}{\partial t}$ - Feb 10th 2010, 03:32 PMJester
- Feb 10th 2010, 03:35 PMyungman
Thanks (Happy)