Matlab Graph Titling, Labels and Legends Examples

Draw A figure Label Title, X and Y Axises with Latex Equations

clear all;

close all;

figure();

% draw some lines

xline0 = xline(0);

xline0.HandleVisibility = 'off';

yline0 = yline(0);

yline0.HandleVisibility = 'off';

hline = refline([1 0]);

hline.Color = 'k';

hline.LineStyle = ':';

hline.HandleVisibility = 'off';

% Titling with multiple lines

title({'Cash-on-Hand given w(k+b),k,z' '$\alpha + \beta = \zeta$'},'Interpreter','latex');

ylabel({'Cash-on-Hand' 'line 2 $\frac{1}{2}$'},'Interpreter','latex');

xlabel({'Index of Cash-on-Hand Discrete Point'...

' $\frac{1}{2} + \alpha + \max + \sum_1^{B}$ Each Segment is a w=k+b; within segment increasing k'...

'For each w and z, coh maximizing k is different'},'Interpreter','latex');

grid on;

grid minor;

Matlab Graph Specify Legends Manually

% Generate Random Data

rng(123);

it_x_n = 10;

it_x_groups_n = 3;

mat_y = rand([it_x_n, it_x_groups_n]);

mat_y = mat_y + sqrt(1:it_x_groups_n);

mat_y = mat_y + log(1:it_x_n)';

ar_x = 1:1:it_x_n;

% Start Figure

figure('PaperPosition', [0 0 10 10]);

hold on;

g1 = scatter(ar_x, mat_y(:,1), 30, 'filled');

g2 = scatter(ar_x, mat_y(:,2), 30, 'filled');

g3 = scatter(ar_x, mat_y(:,3), 30, 'filled');

legend([g1, g2, g3], {'near','linear','spline'}, 'Location','best',...

'NumColumns',1,'FontSize',12,'TextColor','black');

% PLot this line, but this line will not show up in legend

hline = refline([1 0]);

hline.Color = 'k';

hline.LineStyle = ':';

% not to show up in legend

hline.HandleVisibility = 'off';

grid on;

grid minor;

title(sprintf('griddedInterpolant comparison, crra utility approximation, interp grid n=%d', it_x_n))

ylabel('Actual Utility Evaluated at c')

xlabel('Approximated Util based on Interpolation')

snapnow;

Given Graph, Graph Subset of Lines and Add Extra Line with Legend

legendCell = cellstr(num2str(ar_x', 'shock=%3.2f'));

xlinemax = xline(min(mat_y, [], 'all'));

xlinemax.Color = 'b';

xlinemax.LineWidth = 1.5;

legendCell{length(legendCell) + 1} = 'max-agg-save';

legend([g1, g3, xlinemax], legendCell([1,3,length(legendCell)]), 'Location', 'best');

snapnow;