ex_text.m

s = '{\bfgras} {\ititalique} sin^2(x_3)';
text(0.1,0.9,[ s ' helvetica 20' ], 'fonts', 20);
text(0.1,0.85,[ s ' helvetica 16' ], 'interp', 'none', 'fonts', 16)
text(0.1,0.77,[ '\fontname{FixedWidth}' s 'FixedWidth 14'], 'fonts', 14)
text(0.1,0.7,[ '\fontname{Times}' s ' times 18'], 'fonts', 18)
axis off