How to change the imagesc axis?
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Kalasagarreddi Kottakota
el 10 de Mzo. de 2023
Editada: Simon Chan
el 10 de Mzo. de 2023
I have he following code which displays imagesc axis with the length of the samples. But I want the x axis to be dispyed w.r.t time t. Can some one help me regarding this?
clear all; close all;
t= 0:0.1:1;
N = length(t);
M = randn(N,N);
figure()
imagesc(M);
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Respuesta aceptada
Dyuman Joshi
el 10 de Mzo. de 2023
You can specify the x and y ranges and then add ticks for all values of t
t= 0:0.1:1;
N = length(t);
M = randn(N,N);
figure()
imagesc([t(1) t(end)], [1 N], M)
xticks(t)
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Más respuestas (1)
Simon Chan
el 10 de Mzo. de 2023
Use function xticklabels
clear all; close all;
t= 0:0.1:1;
N = length(t);
M = randn(N,N);
figure()
imagesc(M);
ax=gca;
xticklabels(ax,t(ax.XTick));
2 comentarios
Simon Chan
el 10 de Mzo. de 2023
Editada: Simon Chan
el 10 de Mzo. de 2023
Suppose you would like to roundoff to 2 decimal places.
clear all; close all;
t= 0:1/6:1;
N = length(t);
M = randn(N,N);
figure()
imagesc(M);
ax=gca;
xticklabels(ax,round(100*t(ax.XTick))/100);
Or if you want to show all TickLabels to have 2 decimal places.
figure()
imagesc(M);
ax=gca;
xticklabels(ax,compose('%.2f',round(100*t(ax.XTick))/100));
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