Hi,
According to my understanding you want to obtain the ordinal values of current axes in a plot. You can do that by referring the object’s (gca) properties. Here is a sample code:
% plot data
x = [1:4];
y = [2:2:8];
plot(x,y);
% get Ordinal values
ax = gca;
xOrd = ax.XLim;
yOrd = ax.YLim;
