Added \enterm command for highlighting english terms.

First improvements on regression chapter.

regression/code/errorSurface.m

@@ -5,16 +5,13 @@ load('lin_regression.mat');
 
 slopes = -5:0.25:5;
 intercepts = -30:1:30;
-
 error_surf = zeros(length(slopes), length(intercepts));
-
 for i = 1:length(slopes)
     for j = 1:length(intercepts)
         error_surf(i,j) = lsqError([slopes(i), intercepts(j)], x, y);
     end
 end
 
-
 % plot the error surface
 figure()
 [N,M] = meshgrid(intercepts, slopes);
@@ -25,7 +22,7 @@ zlabel('error')
 set(gca,'xtick', (-5:2.5:5))
 grid on
 view(3)
+
 set(gcf, 'paperunits', 'centimeters', 'papersize', [15, 15], ... 
     'paperposition', [0., 0., 15, 15])
-
-saveas(gcf, 'error_surface', 'pdf')
+saveas(gcf, 'error_surface', 'pdf')