johnmyleswhite/MNIST.jl — pull request #3 by AlexanderFabisch (2013-08-23 12:30:50+00:00)
Title: Add demo with multinomial logistic regression

Squashed commit of the following:

commit 09db4ea25db41e89dcd414f2c823df480629e2a1
Author: Alexander Fabisch
Date: Fri Aug 23 14:28:10 2013 +0200

Rename demos to demo

commit 9661951f5b6ad97b0c712ad5b7668161db2a774f
Author: Alexander Fabisch
Date: Fri Aug 23 10:29:00 2013 +0200

Optimize and simplify gradient

commit eba5506b3d4f45a99bb2d3cb2ac032190310e993
Author: Alexander Fabisch
Date: Fri Aug 23 09:07:25 2013 +0200

Remove another unused variable

commit f8b4eb0e6b0aa2357ff360ca96190dbaea3f97ae
Author: Alexander Fabisch
Date: Fri Aug 23 09:05:52 2013 +0200

Remove unused variable

commit 9bddcb73851871b270b7d762ecc88e805da4fb00
Author: Alexander Fabisch
Date: Fri Aug 23 09:00:46 2013 +0200

Use softmax from NumericExtensions

... and get rid of returns

commit 957615e5b504105312a2ffcab21b648cd1eb6ebc
Author: Alexander Fabisch
Date: Fri Aug 23 08:35:53 2013 +0200

Use indmax and initialize parameters with 0

commit 95f39f7966bb9081d532d365faae3c1c96ba487e
Author: Alexander Fabisch
Date: Thu Aug 22 22:03:46 2013 +0200

Declare types of arguments

commit 910bfdfcb7f298d192cd80d41ad2145ae3111468
Author: Alexander Fabisch
Date: Thu Aug 22 21:53:37 2013 +0200

Use mini-batch SGD to train linear classifier

commit 6ae31dc23b296cbf18aa731cff3721c327c6e27f
Author: Alexander Fabisch
Date: Thu Aug 22 21:11:15 2013 +0200

Clean up linear classifier

commit 634e197b0db2f1761258526abf77de81d8400095
Author: Alexander Fabisch
Date: Thu Aug 22 16:56:17 2013 +0200

Add linear classifier with batch gradient descent