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Stretch the dynamic range of the given 8-bit grayscale image using MATL...

how to solve stem problem?

 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.

NOTE:-


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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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