How can we plot a random number ina bar graph

How we plot random 20000number between -5 to 10 in bar graph.

Answer 1

[Walter Roberson]

r = rand(1,20000) * 15 - 5;      %random -5 exclusive to +10 exclusive
bar(r)

This assumes you are looking for continuous numbers. If you are looking for integers, then use randi() to generate the numbers.