sparse matrix - Changing display of spy in Matlab -


i'm trying different elements of sparse matrix different colors (filled in), doesn't seem work black. if change out black different color, weird blurb

spy(a,'ks',3) markerh = findall(gca,'color','k'); set(markerh,'markerfacecolor','k'); hold on spy(a==10,'gs',3) markerh = findall(gca,'color','g'); set(markerh,'markerfacecolor','g'); hold off

how can work?

because other objects text may have color property , black. use

markerh = findall(gca,'type','line','color','k');

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