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Points Plotter

Tool/Plotter to draw points (a scatter plot or a curve) on a graph or 2D plane (and connect points if needed) according to their coordinates.

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Points Plotter -

Tag(s) : Functions, Graph Theory

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# Points Plotter

## Plot points with their coordinates (x,y)

 Display mode Only points Draw line between points

### How to plot dots (x,y)?

Use a graph with a 2-dimensional coordinate system, ie: a horizontal axis $x$ and a vertical axis $y$.

Locate the position of each coordinate of the points on each axis, by positioning the value of the abscissa on the axis $x$ and the value of the ordinate on the axis $y$.

The position of the point is at the intersection of the vertical line passing through the abscissa and the horizontal line passing through the ordinate.

Example: Place the point of coordinates $(x,y) = (1,2)$, the point is in horizontal position $x = 1$ and vertical position $y = 2$

To represent the values of a function (affine, polynomial, exponential, etc.), use the image by a function dedicated page on dCode.

### How to connect the dots?

Draw a line between each point found and the next, so as to form a curve in parts.

The path obtained can possibly represent a drawing if the dot order is preserved.

### How to find the function that correspond to the dots?

There are interpolation methods that allow you to create an equation that goes through the points. See Lagrange's interpolation or Neville's interpolation.

### How to draw 2 plots on the same graph?

Use the second data table to indicate the coordinates. Indicate a different legend to distinguish the two curves.

## Source code

dCode retains ownership of the online 'Points Plotter' tool source code. Except explicit open source licence (indicated CC / Creative Commons / free), any 'Points Plotter' algorithm, applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any 'Points Plotter' function (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and no data download, script, copy-paste, or API access for 'Points Plotter' will be for free, same for offline use on PC, tablet, iPhone or Android ! dCode is free and online.

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