I want to extract values from a graph

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Andreas Makrides
Andreas Makrides el 2 de Nov. de 2020
Editada: Gouri Chennuru el 5 de Nov. de 2020
I have a graph and i have one coloum array, how can i find the graph value for each point of the array

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Gouri Chennuru
Gouri Chennuru el 5 de Nov. de 2020
Editada: Gouri Chennuru el 5 de Nov. de 2020
Hi Andreas,
As a workaround, You can try the following steps,
Step 1: use the x and y data values from the graph which are already available, and if the x is in the x array that you plotted, you can do this:
index = find(x == desiredXValue); % May be multiple indexes, possibly
yDesired = y(index);
Step 2: Now, if the desired x is not in your x array, then you can use “interp1()” to get the interpolated/estimated y value for that x.
yDesired = interp1(x,y, desiredXValue);
Hope this Helps!

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