stem problem

2011 9 21
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Hi,
I would like to make a stem diagram where drop lines are horizontal and not vertical. Even better would be if ML is able to plot horizontal vectors from a baseline of y-axis.
Actually what I'm trying to plot is velocity profile in pipe. eg. http://www.flowmeterdirectory.com/images/flowmeter_artc_02031701_03.gif
Can anyone help me?
Thanks for all your help!

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Grzegorz Knor
Grzegorz Knor 2011-9-21

0 个投票

I suggest you to use quiver function:
y = 0:10;
u = 25-(y-5).^2;
quiver(0*y,y,u,0*u)
Of course you can do it with stem function:
x = 0:10;
y = 25-(x-5).^2;
stem(x,y)
view(90,90)

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Rok mr
Rok mr 2011-9-21
thx for ur reply!
trick with view command also change x and y axis. That's why I had to do like this:
stem (y,x);
set(gca,'YDir','reverse');
view (-90,90)

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