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Points Plotter

Tool/Plotter to draw points (scatter plot or curve) up to 4 on a same 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 values table (x,y)

 Origins automatically calculated Set to (0,0)

 Display mode Only points Draw line between points

### What is a curve plotter? (Definition)

A chart plotter is a tool used to visualize a curve. The plotter uses an array of values to determine how the curve should be drawn to pass through each point. It allows you to visualize relationships between variables and observe patterns or trends.

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

Use a graph with a 2-dimensional coordinate system, ie: a horizontal axis $x$ and a vertical axis $y$ (ideally an orthonormal reference).

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 $y = 2$

NB: Label the axes appropriately for better understanding.

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

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

dCode offers an equation finder.

Else, 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 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 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.

### Why using a point plotter?

Line plotters are useful for visualizing how one variable depends on another, for understanding how different variables interact, and can be used to predict how one variable will respond to changes in another variable.

## Source code

dCode retains ownership of the "Points Plotter" source code. Except explicit open source licence (indicated Creative Commons / free), the "Points Plotter" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the "Points Plotter" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for "Points Plotter" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
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Points Plotter on dCode.fr [online website], retrieved on 2023-09-27, https://www.dcode.fr/points-plotter

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