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Removing values from plot and applying curve

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Joel Schelander
Joel Schelander el 28 de Abr. de 2021
Editada: Benjamin Großmann el 29 de Abr. de 2021
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,'.')

Respuesta aceptada

Benjamin Großmann
Benjamin Großmann el 28 de Abr. de 2021
Editada: Benjamin Großmann el 29 de Abr. de 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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