Help with graphing table into line graph

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Christopher Kar
Christopher Kar le 28 Nov 2023
Réponse apportée : Peter Perkins le 28 Nov 2023
Hello,
I am trying to graph a table into a line graph. The table is 4 columns: Outside Diameter(in), Wall Thickness(in), Stress(PSI), and Safety Factor.
I am having trouble formatting the table into a line graph that can show all the values.
The safety factor values are so low that the line is barely visibile to nonexistent.
What would be the proper way to format this? Is there a function for something like this?
Thank you
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Christopher Kar
Christopher Kar le 28 Nov 2023
Ideally, I was looking a single graph/plot that can showcase all 4 columns accurately.
I naturally was drawn to a line graph since it offers good comparisons but I cant figure out a way to format it.
Maybe a bar graph would work better?
I am working on Matlab 9.11.0.1769968 (R2021b)
Dyuman Joshi
Dyuman Joshi le 28 Nov 2023
Modifié(e) : Dyuman Joshi le 28 Nov 2023
"Ideally, I was looking a single graph/plot that can showcase all 4 columns accurately."
If the scaling of the 4 data-sets are quite different, one option is to use log scales on yaxis. However, this would not work as expected if there is negative or 0 values in the data.
Also, check out stackedplot.

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Peter Perkins
Peter Perkins le 28 Nov 2023
Ran in:
This spreadsheet is kind of messed up, and I will let you figure out how best to read it in. Given that, it seems like stackedplot would be useful.
t = readtable("https://www.mathworks.com/matlabcentral/answers/uploaded_files/1554152/Data.xlsx");
Warning: Column headers from the file were modified to make them valid MATLAB identifiers before creating variable names for the table. The original column headers are saved in the VariableDescriptions property.
Set 'VariableNamingRule' to 'preserve' to use the original column headers as table variable names.
t.OD_in_ = [1;1;1;1;1.25;1.25;1.25;1.25;1.5;1.5;1.5;1.5;1.75;1.75;1.75;1.75];
t.WT_in_ = [3/25;5/32;3/16;1/4;3/25;5/32;3/16;1/4;3/25;5/32;3/16;1/4;3/25;5/32;3/16;1/4];
t
t = 16×4 table
OD_in_ WT_in_ x__PSI_ SF ______ _______ _______ _____ 1 0.12 57321 1.343 1 0.15625 49185 1.566 1 0.1875 45075 1.708 1 0.25 40744 1.89 1.25 0.12 34085 2.259 1.25 0.15625 28609 2.691 1.25 0.1875 25736 2.992 1.25 0.25 22469 3.427 1.5 0.12 22539 3.416 1.5 0.15625 18639 4.131 1.5 0.1875 16556 4.651 1.5 0.25 14104 5.459 1.75 0.12 15991 4.815 1.75 0.15625 13084 5.885 1.75 0.1875 11516 6.686 1.75 0.25 9635 7.992
stackedplot(t)
This uses a table. You might also want to look at timetables to plot vs. time, but I actually don't think that's what you are doing. In fact, it seems like you really want a surface plot of x and SF vs. OD and WT. But that's not what you described.

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