Octave-like plot function, or, how to plot sequence of points?

asked 2019-07-02 09:00:09 +0100

Let's say I have the following set of points: (1, 2), (5, 8), (7, 13), (8, 10), (8.7, 9), (10, 6.3), (13, 2), (15, -1).

I would like to plot a 2D graph passing through them.

In octave, I can do the following:

octave:47> x = [1, 5, 7, 8, 8.7, 10, 13, 15]

octave:48> y = [2, 8, 13, 10, 9, 6.3, 2, -1]

octave:49> plot(x, y)

And I get this graph.

How can I do something similar in sage?

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answered 2019-07-02 11:47:12 +0100

Juanjo

3213 ●5 ●41 ●86

You can use the list_plot function:

x = [1, 5, 7, 8, 8.7, 10, 13, 15]
y = [2, 8, 13, 10, 9, 6.3, 2, -1]
list_plot(zip(x,y), plotjoined=True)

Se the docs for a complete reference.

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answered 2019-07-02 11:56:00 +0100

Emmanuel Charpentier
7774 ●6 ●51 ●154

updated 2019-07-02 11:59:11 +0100

sage: X = [1, 5, 7, 8, 8.7, 10, 13, 15] sage: Y = [2, 8, 13, 10, 9, 6.3, 2, -1] sage: points(zip(X,Y)) Launched png viewer for Graphics object consisting of 1 graphics primitive

Result

sage: line(zip(X,Y))

image description

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