How matlab marks' a 'in the figure and how matlab marks points and solid points in the figure

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matlab How to mark in the figure ’A’

use text(x,y,'A')

among x Abscissa ,y Ordinate

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matlab How to mark points in the diagram

use text(x,y,'o','FontSize',50);

Reference resources

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Dimension solid points

use plot(x,y,'o','MarkerFaceColor','b')

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