Stephen Gould

The best way to handle this is to vectorize both y_1 and y_2 and concatenate them into a single variable for the purposes of differentiation. Within your optimisation procedure (and...

Also create an application that segments based on colour histograms (cf. drwnKMeansRegions)

This is cool. Thanks for recommending. Once vmap makes it into an official release we'll look to profile and use it.

Put most string utilities into drwn namespace. Still need to add toString function and then fix tutorial documentation.

Not yet. This feature probably wont be implemented until early next year.