Ising - Gaussian RBM - no biases

[Francill99]

The choice of not applying gradient to biases is due to the fact that for theoretical study we need no biases

[codecov-commenter]

Codecov Report

❌ Patch coverage is 30.63063% with 154 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
rbms/ising_gaussian/implement.py	20.65%	73 Missing ⚠️
rbms/ising_gaussian/classes.py	31.18%	64 Missing ⚠️
rbms/ising_gaussian/functional.py	46.87%	17 Missing ⚠️

Files with missing lines	Coverage Δ
rbms/ising_gaussian/__init__.py	100.00% <100.00%> (ø)
rbms/map_model.py	100.00% <100.00%> (ø)
rbms/ising_gaussian/functional.py	46.87% <46.87%> (ø)
rbms/ising_gaussian/classes.py	31.18% <31.18%> (ø)
rbms/ising_gaussian/implement.py	20.65% <20.65%> (ø)

... and 2 files with indirect coverage changes

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[nbereux]

can you add an __init__.py to the folder please ?

[Francill99]

I added init.py analogously to other folders, let me know if there are changes to do

[nbereux]

Looks fine to me ! Just the typos to change and check the formula and we're good to go !