Lesson 3/11 and moved eigenfaces folder from 29/9 lesson folder

11-3/eigenfaces/tightsubplot.m

@@ -0,0 +1,7 @@
+function tightsubplot(dim, i, data)
+
+row = mod(i-1, dim);
+col = floor((i-1) / dim);    
+subplot('position', [row*(1/dim), (dim-col-1)*(1/dim), 1/dim-.001, 1/dim-0.001 ]); 
+imagesc(data);
+axis off;