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• Difficulty Level : Expert
• Last Updated : 23 Jan, 2020

With the help of `scipy.integrate.dblquad()` method, we can get the double integration of a given function from limit a to b by using `scipy.integrate.dblquad()` method.

Syntax : `scipy.integrate.dblquad(func, a, b)`

Return : Return the double integrated value of a polynomial.

Example #1 :
In this example we can see that by using `scipy.integrate.dblquad()` method, we are able to get the double integration of a polynomial from limit a to b by using this method.

 `# import scipy.integrate.dblquad``from` `scipy ``import` `integrate`` ` `gfg ``=` `lambda` `y, x: x ``*` `y``*``*``2`` ` `# using scipy.integrate.dblquad() method``geek ``=` `integrate.dblquad(gfg, ``0``, ``3``, ``lambda` `x: ``0``, ``lambda` `x: ``1``)`` ` `print``(geek)`

Output :

1.4999999999999998

Example #2 :

 `# import scipy.integrate.dblquad``from` `scipy ``import` `integrate``gfg ``=` `lambda` `y, x: x ``*` `y``*``*``2` `+` `2` `*` `x``*``y ``+` `4`` ` `# using scipy.integrate.dblquad() method``geek ``=` `integrate.dblquad(gfg, ``1``, ``4``, ``lambda` `x: ``0``, ``lambda` `x: ``1``)`` ` `print``(geek)`

Output :

21.999999999999996

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