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range() function in list_plot not working?

asked 2020-03-30 00:05:55 -0500

PillarOfSand gravatar image

I'm trying to generate a list plot of points that satisfy the relation { (x,2x) | x = 0,+-1, +-2 }. That is, 5 discrete integer values of x ranging from -2 to +2 that satisfy the equation y = 2x.

I figured my solution...show(list_plot([x*2 for x in range(-2,3)]), figsize=3) should have worked; however, the resulting plot ends up shifted to the incorrect domain. I can't upload the image because my karma is too low, but the resulting plot fits the function y = 2(x - 2). It gives the correct range of y values, from -4 to 4, but the domain is from 0 to 4.

Anybody know what I'm missing? Thanks!

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answered 2020-03-31 09:08:59 -0500

Juanjo gravatar image

Try

show(list_plot([(x,x*2) for x in range(-2,3)]), figsize=3)

If you don't specify the abcissae, it is assumed that they are 0, 1, 2, 3...

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Asked: 2020-03-30 00:05:55 -0500

Seen: 33 times

Last updated: Mar 31