Nnmf

[Goneiross]

Add Non-negative Matrix Factorization

[codecov[bot]]

Codecov Report

Merging #80 into master will increase coverage by 1.54%. The diff coverage is 94.44%.

@@            Coverage Diff             @@
##           master      #80      +/-   ##
==========================================
+ Coverage   61.94%   63.48%   +1.54%     
==========================================
  Files          25       26       +1     
  Lines        2252     2358     +106     
  Branches      280      290      +10     
==========================================
+ Hits         1395     1497     +102     
- Misses        779      782       +3     
- Partials       78       79       +1

Impacted Files	Coverage Δ
src/abstractMatrix.js	63.59% <0%> (-0.08%)	:arrow_down:
src/dc/nnmf.js	97.14% <97.14%> (ø)

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[Goneiross]

I will optimize the complexity when I will have some free time this week or the next one.