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Removing values from plot and applying curve

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I want to remove the values situated on y=0 and x=0. How can I do this?
Is there a way to translate this into a curve somehow?
D:34213580x1 double
I3:34213580x1 double
figure
plot(I3,D,'.')

Accepted Answer

Benjamin Großmann
Benjamin Großmann on 28 Apr 2021
Edited: Benjamin Großmann on 29 Apr 2021
You can remove values from an array by setting them to empty. Use logical indexing to address the values that you want to delete.
D_IdxToDelete = D == 0; % or "D_IdxToDelete = D <= DLIM;" if you do not have exact zeros and want to specify margins
I3_IdxToDelete = I3 == 0; % or "I3_IdxToDelete = I3 <= I3LIM;" if you do not have exact zeros and want to specify margins
% Use "&" (and) or | (or) to combine different logical index arrays
% Idx to delete when D OR I3 is zero.
IdxToDelete = D_IdxToDelete | I3_IdxToDelete;
% delete the entries
D(IdxToDelete) = [];
I3(IdxToDelete) = [];

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