How to Approximate Chi Square?

Hi,

I wish to get the Chi square distribution value for a given confidence and a given number of degrees of freedom (instead of looking it up in a table), but could not find a MATLAB functio nthat dis this. does such function exist ?

[jgg]

Are these not what you want?

chi2pdf

chi2cdf

[Itzik Ben Shabat]

no. but thanks to your comment i dound chi2inv which is what i needed. thanks.

Answer 1

[Itzik Ben Shabat]

Hi, I eventually found what i needed.

its

chi2inv

function,

thanks