Re: [libreoffice-users] To make a graph

Hi Regina and Brian:

        Thanks for your answer. Excuse me because I haven't been clear 
with my explanation.

        Below you can find a link to access a file were I draw manually 
the graph that I need to do:

        https://www.dropbox.com/s/7oqptiz8e6r9gxi/Graph.pdf?dl=0

Regards,

Jorge Rodríguez


El 28/08/2017 a las 17:40, Brian Barker escribió:
> At 17:05 28/08/2017 -0600, Jorge Rodríguez wrote:
> > I have this set of data:
> > U            A
> > 1.37    13680
> > 1.31    14000
> >
> > I've tried to graph these data that show two lines, first 1.37 with 
> > 13680 and 1.31 with 14000, in the same graph.
>
> Sorry, but this makes no sense. Each pair of value here defines a 
> point, not a line. There are an infinity of lines that you can draw 
> through any point, having all possible gradients.You need at least two 
> points to define a line, and then only on the assumption that the line 
> is straight.
>
> > I want that the graph show where the lines intersect.
>
> The infinity of possible lines through each of your two points 
> intersect in a infinity of places. The question is not well enough 
> defined to be answered. From your knowledge if the quantities that you 
> are plotting, could you assume that both graphs go through the origin, 
> (0,0)? If so, you could include these points and create two lines. But 
> the answer to your query would then be trivial: the lines cross at (0,0)!
>
> > And I prefer that A go in X axis and U in Y axis.
>
> That's easy: just reverse the order of your columns of data. It is 
> very easy to move or copy data.
>
> > I couldn't do it yet. I put the data in some orders but I can get the 
> > graph.
>
> That's because - with only one point in each set of data - there is no 
> graph to get.
>
> I trust this helps.
>
> Brian Barker


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