How to plot vertical lines for each data point?

Question

I have a line graph plot which is giving me a correct figure looking like the following:   However, my task is to recreate a zonation simulating the following figure: I therefore need to add vertical lines to the plot at each data point along the x axis.Any help would be greatly appreciated.

Kshitij Singh · Accepted Answer

Combine a plot plot (or a line plot) and a stem plot.
x = 0:10;
y = x.^2;
plot(x, y);
hold on;
stem(x, y, 'Marker', 'none');

How to plot vertical lines for each data point?

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