Formula:1274

Digital Library of Mathematical Functions ID 3.5.E47

${\displaystyle{\displaystyle\frac{1}{\pi h^{2}}\iint_{D}f(x,y)\mathrm{d}x\mathrm{d}y=\sum_{j=1}^{n}w_{j}f(x_{j},y_{j})+R,}}$

Symbols List

• ${\displaystyle{\displaystyle\pi}}$: the ratio of the circumference of a circle to its diameter
• ${\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}$: differential of x
• ${\displaystyle{\displaystyle(\NVar{a},\NVar{b})}}$:
• ${\displaystyle{\displaystyle D}}$: disk
• ${\displaystyle{\displaystyle R}}$: remainder
• ${\displaystyle{\displaystyle w_{k}}}$: weights
 

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