Make dmd_vortex executable from any directory

examples/dmd_vortex.m

@@ -4,8 +4,12 @@
 
 % Step 0: Load data and paths
 clear all, close all, clc
-addpath('./..'); % dmd.m is in the folder above
-load data/VortexData.mat % loads variables VORTALL, nx, ny
+
+SCRIPT_PATH = mfilename('fullpath');
+SCRIPT_DIR = fileparts(SCRIPT_PATH);
+
+addpath(fullfile(SCRIPT_DIR,'..')); % dmd.m is in the folder above
+load(fullfile(SCRIPT_DIR,'data','VortexData.mat')) % loads variables VORTALL, nx, ny
 
 % Step 1: initialize DMD object with data
 verbose = true; % print how long things take
@@ -39,7 +43,7 @@ subplot(3,1,1);
 xIC = reshape(VORTALL(:,1),nx,ny); % vortex field first timestep
 
 im = imagesc(xIC); % plot vorticity field for first timestep
-load data/colormap.mat % loads variable 'CC'
+load(fullfile(SCRIPT_DIR,'data','colormap.mat')) % loads variable 'CC'
 colormap(CC);  % use custom colormap
 % clean up axes
 set(gca,'XTick',[1 50 100 150 200 250 300 350 400 449],'XTickLabel',{'-1','0','1','2','3','4','5','6','7','8'})