gnuplot: plots not showing up

[Ben Abbott]

On Jun 12, 2009, at 2:20 AM, Huub van Niekerk wrote:

> Hi,
>
> After loading a mat file, I'm trying to plot a figure like this:
>
> pear = peri_unknown([10:15]);
> apple = peri_unknown([1:10, 15:20]);
> mean_pear = mean(pear)
> mean_apple = mean(apple)
> mean_all = mean(peri_unknown)
> plot(normpdf(5.5:0.1:8, mean(apple),std(apple)));
>
> However, while I don't get an error and the terminal-title shows  
> "Terminal - gnuplot-4.2.5--209x49" there's not plot visible. Any  
> idea what I may do wrong?
> Other question: how can I give a specific colour to the graph? I've  
> looked at the "help plot" and tried in the beginning of plot and in  
> the end, but all I get is errors.
>
> Thank you.

Do you get a plot when you do something simple like

	plot(1:10)

To change the color

	x = 1:10;
	plot (x, x^2, 'r')

See "help plot" for more info.

Ben