How to improve saving a scatter plot from three arrays with size 1*508654896

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Hana 2015-2-9

评论： Sean de Wolski 2015-2-9

using 3 arrays R,S and T I want to make a scatterplot,but it takes a lot of time to save the scatterplot and sometimes crashed. How can I improve it?

bb= find(R>=0.2 & R <0.4);

 x2 = S(bb);
 y2 = T(bb);

figure(2)

scatter(x2,y2,'MarkerFaceColor','b','MarkerEdgeColor','b');

saveas(gcf,'420bbh.tiff', 'tiffn') saveas(gcf,'420bbh.fig')

Sean de Wolski 2015-2-9

I think you need to consider another kind of plot. Your monitor doesn't even have that many pixels!

Hana 2015-2-9

most of these pixels are nan

Sean de Wolski 2015-2-9

Then remove them before scattering!

Otherwise, they still need to be transmitted.

Here's one way to remove:

idxNan = isnan(x)|isnan(y);
x(idxNan) = [];
y(idxNan) = [];

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