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Plotting a bar graph with a large x-axis

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Brenden Sluyter
Brenden Sluyter on 27 Mar 2020
Edited: Ajay Pattassery on 7 May 2020
I'm trying to plot a bar graph with a very large x-axis. When I do this, it makes my data at the end close to zero look very skinny. Below is what I want it to look like (graph taken from TestLab) and what Im getting in matlab. Is there a way to shrink the x-axis to only the values I need?
Thank you in advance.
Rik on 27 Mar 2020
You would need to make that yourself because it is probably not something you should be doing. You can either use multiple axes objects or adjust the x values and set the xlabels (so instead of plotting 1 2 10 11 you plot 1 2 3 4 and set the labels to 1 2 10 11).
Mohammad Sami
Mohammad Sami on 27 Mar 2020
If your bar charts are at discrete values, one way is to convert your x-axis into a categorical variable. Then plot against the categorical variable.

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Answers (1)

Ajay Pattassery
Ajay Pattassery on 7 May 2020
Edited: Ajay Pattassery on 7 May 2020
Here assume you are plotting the bar plot with x and y as defined below.
x = [1 100 100000];
y = [1 2 4];
You will get an output similar to the one you have got above due to the huge scale of the x-axis.
For that, define x as just integers from 1 to number of elements in your x values. Then using xticklabels, define the tick labels.
xModified = 1:length(x)
Alternatively, You can use a logarithemic scale on the x axis and then use xticks and xlabels to label the x axis. This makes bar to be placed at the relative location with respect to the x value.
y = [1 2 4];
x = [1 100 100000];


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