MATLAB Hacks

bar.m

\newcommand*\xbar[1]{%
   \hbox{%
     \vbox{%
       \hrule height 0.5pt % The actual bar
       \kern0.5ex%         % Distance between bar and symbol
       \hbox{%
         \kern-0.1em%      % Shortening on the left side
         \ensuremath{#1}%
         \kern-0.1em%      % Shortening on the right side
       }%
     }%
   }%
}

cells.m

bags = cell(N,1);
bags{i} = [];
cell2mat(bags{1})

char.m

filename = sprintf('data/TeddyBearPNG/obj%02d_016.png.haraff.sift', 1);
filename = ['data/TeddyBearPNG/obj' num2str(i, '%02d') '_016.png.haraff.sift'];

list.m

% Binarize indices
tmp = [1 3 10];
a   = [];
for i=1:max(tmp), if (ismember(i, tmp) == 1) a = [a 1];, else a =[a 0];, end, end

main.m

%% Works
filename = matlab.desktop.editor.getActiveFilename;
cd (fileparts(matlab.desktop.editor.getActiveFilename))
addpath(genpath(fileparts(fileparts(matlab.desktop.editor.getActiveFilename))))

%% Does not work
cd (fileparts(which('main_q1')));

%% Startup
cd '~/Documents/MATLAB/startup.m' %[Ubuntu]

path.m

addpath("D:\<folder1>\<folder2>\<folder3>\images") // On the Home tab, in the Environment section, click Set Path and "Add with Subfolders"

which "filename.jpg" // to check if file in in path

subplots.m

figure;
p1 = subplot(1,2,1);
imshow(f_now); hold on;
scatter(unow_inliers, vnow_inliers);
title('Inliers');

p2 = subplot(1,2,2); hold on;
imshow(f_now);
scatter(unow_outliers, vnow_outliers);
title('Outliers'); 

pos1 = get(p1, 'Position');
pos2 = get(p2, 'Position');
disp(pos1);
disp(pos2);

pos2(1) = pos1(1) + pos1(3) + 0.1;
set(p2, 'Position', pos2);