Formula:718

Digital Library of Mathematical Functions ID 2.3.E28

${\displaystyle{\displaystyle\frac{\mathrm{d}w}{\mathrm{d}t}=\pm\frac{1}{(2p(\alpha,t)-2p(\alpha,\alpha))^{1/2}}\frac{\partial p(\alpha,t)}{\partial t}}}$

Symbols List

• ${\displaystyle{\displaystyle\frac{\mathrm{d}\NVar{f}}{\mathrm{d}\NVar{x}}}}$: derivative of $$f$$ with respect to $$x$$
• ${\displaystyle{\displaystyle\frac{\partial\NVar{f}}{\partial\NVar{x}}}}$: partial derivative of $$f$$ with respect to $$x$$
• ${\displaystyle{\displaystyle\partial\NVar{x}}}$: partial differential of $$x$$
• ${\displaystyle{\displaystyle p(\alpha,t)}}$: function
• ${\displaystyle{\displaystyle w}}$: change of variable
 

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