MATLAB: Heatmap – number of decimal places on x-axis

Question

Hello everyone,

I've created a heatmap with x-axis values changing from 1.0 to 4.0 with the increment of 0.5. By default, these values are displayed on the x-axis as 1, 1.5, 2, 2.5 etc. Is there a way to change all of them to have one decimal place, i.e., 1.0, 1.5, 2.0, 2.5 etc.?

Answer 1

Similar to Walter Roberson's answer but does not require undocumented methods (and avoids the associated warning).

h = heatmap(__);
h.XDisplayLabels = compose('%.1f',str2double(h.XDisplayLabels));