DLMF:1.5.E13 (Q132): Difference between revisions

Revision as of 15:53, 1 January 2020

No description defined

Language	Label	Description	Also known as
English	DLMF:1.5.E13	No description defined

{\displaystyle{\displaystyle\nabla^{2}f=\frac{{\partial}^{2}f}{{\partial x}^{2% }}+\frac{{\partial}^{2}f}{{\partial y}^{2}}=\frac{{\partial}^{2}f}{{\partial r% }^{2}}+\frac{1}{r}\frac{\partial f}{\partial r}+\frac{1}{r^{2}}\frac{{\partial% }^{2}f}{{\partial\phi}^{2}}.}}

0 references

DLMF:1.5.E13

0 references

{\displaystyle{\displaystyle\frac{\partial\NVar{f}}{\partial\NVar{x}}}}

C1.S5.E3.m4ahdec

0 references

@@ Property / Symbols used @@
+partial derivative of $$f$$  with respect to  $$x$$
+Normal rank
+Defining formula:  ${\displaystyle{\displaystyle\frac{\partial\NVar{f}}{\partial\NVar{x}}}}$ 
\pderiv{\NVar{f}}{\NVar{x}}
+xml-id: C1.S5.E3.m4ahdec