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Fill area under list_plot

asked 2011-12-24 08:32:33 +0200

v_2e gravatar image


Is there a way to fill the area between the two curves plotted using the list_plot() function?

My particular application is this: I have a list of points of the format (x, y, y_max, y_min), where y_max and y_min denote the maximum and minimum values of y for the given x value because of the measurements uncertainty. I need to plot this curve and fill the uncertainty corridor with some other color.

I use my own function that retrieves the data from this list and use plot() to obtain an abovementioned result at the moment. But in this case my function is evaluated in some kind of random points which do not correspond the exact experimental x values from the initial data list, that is why this solution is not very good too.

Thank you.

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what happened to @DSM's answer?

niles gravatar imageniles ( 2011-12-26 09:41:01 +0200 )edit

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answered 2011-12-25 11:48:43 +0200

achrzesz gravatar image

Maybe you should try without list_plot?

(no random points)

Replace li by your list of [x,y(x),ymax(x),ymin(x)]

li=[[x,sin(x),sin(x)+0.2,sin(x)-0.2] for x in srange(0,2*pi,0.3)]

a=[[x[0],x[2]] for x in li]

b=[[x[0],x[3]] for x in li]

c=[[x[0],x[1]] for x in li]







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Thanks! Not bad workaround.

v_2e gravatar imagev_2e ( 2012-01-04 15:57:54 +0200 )edit

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Asked: 2011-12-24 08:32:33 +0200

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Last updated: Dec 25 '11