Change font size for objects in a figure (2024)

Syntax Description Examples Change Font Size in Plot Scale Font Size of Text in Figure Change Font Size in Tiled Chart Layout Change Font Size of App Text Input Arguments size — Font size positive scalar value units — Font size units "points" | "pixels" | "inches" | "centimeters" sfactor — Scale factor scalar obj — Object or container with text graphics object | array of graphics objects Version History R2023a: Optionally omit objargument See Also Topics MATLAB Command Americas Europe Asia Pacific

plot([0 1; 1 2])title("Two Very Straight Lines")legend("Blue Line","Red Line")

fontsize(16,"points")

[X,Y,Z] = peaks;contourf(X,Y,Z,LineColor="#4F4F4F")title("Peak Elevation")colorbarannotation("textarrow",[.53 .41],[.65 .47],String="Local maxima")annotation("textarrow",[.53 .59],[.65 .55])

fontsize(gcf,scale=1.2)

x = linspace(0,3*pi,200);y = cos(x) + rand(1,200);t = tiledlayout(2,2);% Top scatter plot in tiles 1,2ax1 = nexttile([1 2]);scatter(x,y)title("Random Variance on Cosine")% Lower polar plot in tile 3ax2 = nexttile;plot(x,cos(x)+0.5)% Lower histogram in tile 4ax3 = nexttile;histogram(y,20)

fontsize(ax1,scale=1.2)fontsize([ax2 ax3],10,"pixels")

fontsize(gcf,"default")

function fig = myapplayout% Create figure windowfig = uifigure;% Create UI componentsax = uiaxes(fig,Position=[15 70 535 340]);lbl = uilabel(fig,Position=[30 15 100 35],Text="Choose Plot Type:");b1 = uibutton(fig,Position=[140 15 180 35],Text="Surf");b2 = uibutton(fig,Position=[350 15 180 35],Text="Mesh");% Configure UI component appearancesurf(ax,peaks);fontsize(fig,8,"pixels")title(ax,"Peak Surface",FontSize=11)end

f = myapplayout;

fontsize(f,"increase")fontsize(f,"increase")fontsize(f,"increase")