# Gauss-Chebyshev 1st quadrature Calculator

## Calculates the integral of the given function f(x) over the interval (a,b) using Gauss-Chebyshev 1st quadrature.

 $\normal Gauss-Chebyshev\ 1st\ quadrature\\[10]{\large\int_{\small -1}^{\hspace{25}\small 1}\frac{1}{\sqrt{1-x^2}}}f(x)dx\simeq{\large\sum_{\small i=1}^{n}}w_{i}f(x_i)\\ {\large\int_a^{\hspace{25}b}}g(x)dx\simeq{\large\frac{b-a}{2}\sum_{\small i=1}^{n}}w_{i}\sqrt{1-x_i^2}g({\large\frac{b-a}{2}}x_i+{\large\frac{b+a}{2}})\\\vspace{20}$

 g(x)f(x) interval (a ,b) partition n23456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit
 The integrand f(x) is assumed to be analytic and non-periodic.$\normal Gaussian\ quadrature\\\hspace{20} {\large\int_{\small a}^{\hspace{25}\small b}}w(x)f(x)dx\simeq{\large\sum_{\small i=1}^{n}}w_{i}f(x_i), \hspace{20} {\large\int_{\small a}^{\hspace{25}\small b}}g(x)dx\simeq{\large\sum_{\small i=1}^{n}}{\large\frac{w_{i}}{w(x_i)}}g(x_i)\\Gauss-Chebyshev\ 1st\ quadrature\\\hspace{30} interval(a,b):\hspace{20} (-1,\ 1)\\\hspace{30} w(x):\hspace{80} \frac{1}{\sqrt{1-x^2}}\\\hspace{30} polynomialsl:\hspace{10} T_n (x)\\$

Gauss-Chebyshev 1st quadrature
 [1-4] /4 Disp-Num5103050100200
[1]  2014/05/02 06:19   Male / 20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
To check my answers of my integration.
Comment/Request
This was awesome, thank you for providing this!!
[2]  2013/10/19 13:03   Male / 60 years old level or over / A teacher / A researcher / - /
Purpose of use
gauss-chebyshev quadrature
Comment/Request
Accuracy low as orders upto 100 only are allowed.
Can you allow increase upto 500 or more as option?
[3]  2013/03/13 13:29   Female / 20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
seminor
Comment/Request
use fill
[4]  2013/02/07 15:52   Male / 20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
INORDER TO DO PROJECT

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