Casio FX-CG10 Manuel d'utilisateur télécharger pdf (Page 512)

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Chapter 15 Picture Plot

Picture Plot is an application that lets you plot points (that represent coordinates) on a

photograph, illustration, or other graphic and perform various types of analysis based on the

plotted data (coordinate values).

For example, the photograph below shows the nozzles of a fountain shooting thin streams of

water at different angles.

If we view the plane traced by the water of the nozzle closest to us in the photograph as an XY

Cartesian coordinate plane, we then will be able to express any point on the path traced by the

water as a coordinate (X, Y). The Picture Plot plot function makes it easy to plot points on a

photograph such as this or some other image, and extract the coordinate values of the plots.

Plotting points Coordinates (plot list screen)

You can use the plots to perform the following types of operations.

• Register and graph a Y=

f(x) form equation and overlay it on a photograph and plot. You

also can use the graph Modify function (page 5-36) to adjust the coefficient values of the

expression and find a function that lines up better with the plots.

• Perform regression calculation based on the plotted coordinate values and draw a regression

graph that overlays the plots. This makes it possible to produce the mathematical expression

and graph of a path of movement.

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Casio FX-CG10 Manuel d'utilisateur Page 512

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