Histogram graph help?

i have a vector called

r = zeros(1000, 1);

i use this vector to trap counts in some for and while loops... the for and while loops are working correctly and traping the values as expected.... i need the r vector wide to capture all the "potential" outcomes that "could" occur (because of probabilities) in the for and while loops.....this results in a large number of the r vector position having a zero value.

i want to plot a histogram graph of this vector r, but suppress all the zero locations. i just want to didplay the counts r vector in the histogram that are greater than zero..i cant figure out what attribute that is?

any suggestions?

[DGM]

So, something like this?

histogram(r(r~=0),nbins);

[James Baker]

haha figured it out h= bar (r,r(~=0))

[James Baker]

yep thanks

[James Baker]

actually the histogram (r(r~=0), nbins); won't actually work just tried it and got an error matlab didnt like it anyway, i used a bar chart to make the plot and that looks more like what i want anyway..;-) thanks though