A nonlinear programming (NLP) solver plugin for OnlyOffice Spreadsheet. Define a target cell, side conditions, and parameter cells with optional bounds, then let the solver find optimal values to minimize your target function.
Download on the project page:
Planning to submit this to the OnlyOffice plugin store
- Select the cell you want to minimize
- Select your parameter range (with optional min/max bounds—defaults to -1.0 and 1.0 if unset)
- Select your side conditions (with info if min/max are defined or not)
- Click Start
Check out oo-nlp-solver_examples.xlsx for working examples.
I'd love your help improving this plugin! Here's how you can contribute:
- Found a bug? Send me your spreadsheet file so I can reproduce and fix the issue
- Have a tricky optimization problem? Share it—I'm always looking for edge cases to test against
- Benchmarked against Excel or LibreOffice Calc? I'd really appreciate comparison feedback (better, worse, different results)
The solver currently uses a custom Nelder-Mead (simplex downhill) implementation that could probably be tuned further.
NLP, solver, optimization, OnlyOffice plugin, spreadsheet, nonlinear programming, WebAssembly, Go, parameter fitting, minimization
AGPL-3.0 with additional commercial restrictions.
TL;DR:
- ✅ Free to use and modify
- ✅ Modifications must be shared (open source)
- ❌ Commercial sale requires permission