Newtondf: Difference between revisions
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imported>Jeremy (Importing text file) |
imported>Jeremy (Importing text file) |
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Newton's root finder for a given quantile | Newton's root finder for a given quantile | ||
==== | ====Inputs==== | ||
* '''q''' = matrix, the quantile point of interest | * '''q''' = matrix, the quantile point of interest | ||
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* '''tol''' = scalar, tolerance | * '''tol''' = scalar, tolerance | ||
==== | ====Outputs==== | ||
* '''quantile''' = matrix, quantile | * '''quantile''' = matrix, quantile | ||
Revision as of 17:34, 3 September 2008
Purpose
Newton's root finder.
Synopsis
- [quantile,exitflag] = newtondf(q,distfun,x,a,b,maxits,tol)
Description
Newton's root finder for a given quantile
Inputs
- q = matrix, the quantile point of interest
- distfun = string, distribution function name.
- x = matrix, original input matrix
- a = matrix, scale parameter
- b = matrix, shape parameter
- maxits = scalar, maximum number of iterations
- tol = scalar, tolerance
Outputs
- quantile = matrix, quantile
- exitflag = 0 if no error, 1 if maximum iterations is exceeded