Use num2str in for loop
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Mac
am 29 Okt. 2023
Kommentiert: Mac
am 29 Okt. 2023
Good day. I know is simple but I can't find the solution to this. I want to call some data (M3 to M11) in for loop using num2str, but it does not work. Below is the code, specifically in bold.
M3 = mean(Mar, 3);
M4 = mean(Apr, 3);
M5 = mean(May, 3);
M6 = mean(Jun, 3);
M7 = mean(Jul, 3);
M8 = mean(Aug, 3);
M9 = mean(Sep, 3);
M10 = mean(Oct, 3);
M11 = mean(Nov, 3);
[xx,yy]=meshgrid(lon,lat);
b=-18:2:18;
f = figure;
t = tiledlayout(f, 3, 3);
for i = 3:11
nexttile(t)
m_proj('miller','lon',[110 130],'lat',[0 15]);
m_contourf(xx,yy,['M', num2str(i)], b,'linestyle','none');
colormap(m_colmap('BOD',256))
................
Akzeptierte Antwort
Walter Roberson
am 29 Okt. 2023
Please read http://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval for information about why we strongly recommend against creating variable names dynamically.
M3 = mean(Mar, 3);
M4 = mean(Apr, 3);
M5 = mean(May, 3);
M6 = mean(Jun, 3);
M7 = mean(Jul, 3);
M8 = mean(Aug, 3);
M9 = mean(Sep, 3);
M10 = mean(Oct, 3);
M11 = mean(Nov, 3);
M = {[], [], M3, M4, M5, M6, M7, M8, M9, M10, M11}; %two dummy so M{i} corresponds to M_i
for i = 3:11
nexttile(t)
m_proj('miller','lon',[110 130],'lat',[0 15]);
m_contourf(xx,yy,M{i}, b,'linestyle','none');
colormap(m_colmap('BOD',256))
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