Return a value in csv data at a specific point
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Hiya there,
I've got CSV data containing 2 columns . Colum 1 is Distance and column 2 is Depth.
Im wanting a simple code to find what the Depth value is at Distance = 5945
Thanks in advance
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Risposte (2)
Krishna
il 20 Feb 2023
You can use the following link to get an idea of how to work with .csv files in MATLAB.
Use the find function mentioned in the doc to get the Depth value at Distance = 5945 after extracting values from csv file using readtable.
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Star Strider
il 20 Feb 2023
Try this —
T1 = array2table([sort(randi(1E+4, 12,1)) rand(12,1)*1E+3], 'VariableNames',{'Distance','Depth'})
Dep = interp1(T1.Distance, T1.Depth, 5945)
figure
plot(T1.Distance, T1.Depth, 'DisplayName','Data')
hold on
plot(5945, Dep, 'rs', 'DisplayName','Interpolated Value')
hold off
grid
xlabel('Distance')
ylabel('Depth')
xline(5945, ':k', 'Distance = 5945')
The reverse is just as straightforward (‘Distance’ as a funciton of ‘Depth’), however one extra step is involved.
.
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