How can I multiply axis values by 1000 without changing the data?
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With the script shown below,
figure()
for CH = 2:33
Y = (avg(:,CH) - avgBG(CH) + SP);
hold on
plot(avg(:,1), Y)
xlim([0 0.3]); xlabel('Time (s)');
ylim([-0.034 0.034]); ylabel('Position (m)');
SP = SP + 2/1000;
end
I've created this figure:
![wfpp.jpg](https://www.mathworks.com/matlabcentral/answers/uploaded_files/213428/wfpp.jpeg)
I want to change the Y-axis values on the figure to be multiplied by 1000.
I tried Yticks, but I don't think I've implemented it correctly. Any suggestions?
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回答(2 个)
Rik
2019-4-11
You can either multiply the y-values with 1000, or use the YTickLabels:
ticks=get(gca,'YTicks');%retrieve current ticks
ticks=ticks*1000;%multiply
ticks=cellfun(@num2str,tick,'UniformOutput',false);%convert to cellstr
set(gca,'YTickLabels',ticks)%set new tick labels
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Rik
2019-4-16
Did this suggestion solve your problem? If so, please consider marking it as accepted answer. It will make it easier for other people with the same question to find an answer. If this didn't solve your question, please comment with what problems you are still having.
Rob Lander
2021-1-29
编辑:Rob Lander
2021-1-29
Here's another approach that seems to work (shown here for the case where you wish to change the labels for three axes):
ax = gca;
tick_scale_factor = 1000;
ax.XTickLabel = ax.XTick * tick_scale_factor;
ax.YTickLabel = ax.YTick * tick_scale_factor;
ax.ZTickLabel = ax.ZTick * tick_scale_factor;
A problem with this approach is that if you resize the figure this can cause the number of tick labels to change, which, in turn, will lead to incorrect label values. The only work-around that I know of to solve this problem is to re-exectute the code above after re-sizing.
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