How to enter 2 columns from an array into 1 input?

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Tyler 2012-11-5

Loaded in a set of data containing 3 columns of info.

column 1 is H (height) and 2 and 3 are measurements (say of R) where the x values are col 2 and y values are col 3.

i need to plot a graph where h is the horiz axis and R on the vertical axis.

how would i go about making essentially the x and y 1 axis so h can be the other?

Azzi Abdelmalek 2012-11-5

编辑：Azzi Abdelmalek 2012-11-5

[ax,h1,h2]=plotyy(h,x,h,y)

Tyler 2012-11-5

编辑：Tyler 2012-11-5

ok that worked perfectly. Im doing multiple plots, how would i denote them as say figure 1, fig 2, fig3 ,etc.

when i do them all (the multiple plotyy's) i get a figure 1 and that is it.

edit: if i can i want them to show up at the same time and not interfere iwht each other.

Azzi Abdelmalek 2012-11-5

do you mean

 plotyy(h,x,h,y);
 figure
 plotyy(h,x1,h,y1)
 figure
 plotyy(h,x2,h,y2)

Walter Roberson 2012-11-6

I wonder if you want

plot(sqrt(x.^2 + y.^2), h);

Image Analyst 2012-11-6

But he wanted h on the horizontal axis and R on the vertical. I guess R = sqrt(x.^2 + y.^2). So wouldn't it be plot(h, sqrt(x.^2 + y.^2))?

Walter Roberson 2012-11-6

Right. I was reading off from the last line of the Question which implicitly used the other order.

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