Posted by saudepp@googlemail.com on 09/06/07 15:01

Hi php pros,

I have an array containing n numbers and want to fit them to e.g. a
polynomial function f(x), x=1...n.

Is there a php script / library for doing that?

I basically wish to do curve fitting to my data array, directly in
php.

Ideal would be something like polyfit in MatLab.
One possibility would be to involve a c++ program doing the data
fitting. Export the array as a dump file from php, execute the
compiled c++ polynomial fitting file program calling the dump file and
saving the result, and then open the result file in php. Thats of
course not so elegant ...

Thanks for any help.

Best

-saudepp

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