matlab - graph plotting

Question

I have two arrays to plot, in x axis: array a . In y axis array b (ones and zeros)

I want to plot vertical lines when the values of array b =1 ie

a=[23 12 76 43 21 90]
b=[1 0 1 1 0 1]

Answer 1

You may try bar plot .

a=[23 12 76 43 21 90];
b=[1 0 1 1 0 1];
bar(a,b)