Ch12Ex14.m % Plot line y = x with a random thickness x = [2 5]; y = x; hdl = plot(x,y); title('Line with random thickness') set(hdl,'LineWidth',randi([1 10]))

Ch12Ex15.m

y = [33 22 17 32 11];

z = [3 7 2 9 4 6 2 3];

figure(1)

yhand = plot(y);

figure(2)

zhand = plot(z);

somecolors = 'bgrcmyk';

somemarkers = '.ox+*sd';

set(yhand,'LineWidth',3, ...

 'Color',somecolors(randi(length(somecolors))))

set(zhand,'LineWidth',4,...

 'Color',somecolors(randi(length(somecolors))))

set(yhand, 'Marker',...

 somemarkers(randi(length(somemarkers))))

set(zhand, 'Marker', ...

 somemarkers(randi(length(somemarkers))))