Added some more plots

These are the final plots I want to use, unless someone wants to
improve them... I'm done with matlab.
tryoutsDennis: changes to create the final plots

Using the subaxis http://www.mathworks.com/matlabcentral/fileexchange/3696-subaxis-subplot
package to make the sublots look better.
paper: beta version of the regression section

Only thing missing: mention of leastSquaresGD
All other topics I have included but most must be still elaborated
some more and of course there are probably lots of typos and
stuff like that. Will do tomorrow.