Re: Plotting a line

[Doug Stewart]

The plot command is trying to calculate a range for the x axis from your 
data. and since your x values are the same it calculates a range of 0.

You can set the range with axis





José Luis García Pallero wrote:
> Hi,
> If i want to plot a line between two points I use the command 
> plot([x1,x2],[y1,y1]). If the points are, for example, x1=1, y1=1 and 
> x2=2, y2=2, the line is plotted ok. But if the points are x1=1, y1=2 
> and x2=1, y2=1 (vertical line) a warning appears: empty x range [1:1], 
> adjusting to [ 0.99:1.01]
> What is the problem. Exists any command to plot a line between two points.
>
> Thanks
>
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