Re: [NTG-context] functions and paths in metapost

Le 14 octobre à 22:56:59 Hans Hagen écrit notamment: | On 10/14/2013 2:38 PM, Jean Magnan de Bornier wrote: | > Hello all, | > | > Is it possible to define a path in metapost-metafun using "function"? In | > the metafun manual (chapter on Functions) the examples shown are all of | > the type "draw function ...". I wonder if it is possible to define a path | > with a function ("picture" after draw doesn't allow that afaik)?

| there are some helpers in the new graph module, but Alan has to give | an example

| % least-squares "fit" to a polynomial | % | % example : | % | % path p[] ; | % numeric a[] ; a0 := 1 ; a1 := .1 ; a2 := .01 ; a3 := .001 ; a4 := | 0.0001 ; | % p0 := makefunctionpath(0,5,10,polynomial_function(a,4,x)) ;

| (it fails here so I probably misunderstand it)

I could not find this module ? (I always update with --modules=all) -- Jean