Hi Jeremy, I put together a plugin for doing the integration, based on the DatasetPlugin example on your website. I'd be happy for you to distribute this under the Veusz license.
Perhaps there could be a "Calculus" submenu under "Operations", which would have this, and maybe a numerical derivative operation. Steve On Thu, Jun 28, 2012 at 9:23 AM, Jeremy Sanders <[email protected]> wrote: > On 28/06/12 14:20, Jeremy Sanders wrote: >> On 27/06/12 16:27, Steve Richardson wrote: >>> Hi, >>> >>> I have a 1D dataset which I would like to integrate numerically and >>> then plot. Is this possible in Veusz? I checked in Data->Operations, >>> but didn't see anything like that. >> >> Numpy has a trapz function which does trapezoid integration. You should >> be able to use the create dataset dialog with an expression like > > By the way, the next release has a "cumulative sum" plugin which would > almost be an integration for a fixed bin width (if the bin width is small!). > > Jeremy > >
integrateplugin.py
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