new file:   day2/arma.png
	new file:   day2/ceres.png
	new file:   day2/eigen.png
	new file:   day2/gsl.png
	new file:   day2/mlpack.png
	new file:   day2/mtl4.png
	new file:   day2/opencv.png
	modified:   day2/slides02.pdf
	modified:   day2/slides02.tex