%% Modify Quiver Plot After Creation
% Create a quiver plot and return the quiver object. Then, remove the arrowheads and add dot markers at the base of each arrow.

[X,Y] = meshgrid(-pi:pi/8:pi,-pi:pi/8:pi);
U = sin(Y);
V = cos(X);

q = quiver(X,Y,U,V);
q.ShowArrowHead = 'off';
q.Marker = '.';

% Copyright 2020 The MathWorks, Inc.