Type: Command Operation
Description: Draw Plot Command: Plots the mathematical data in the reserved variable EQ or the statistical data in the reserved variable ΣDAT, using the specified x- and
The plot type determines if the data in the reserved variable EQ or the data in the reserved variable ΣDAT is plotted.
DRAW does not erase PICT before plotting; execute ERASE to do so. DRAW does not draw axes; execute DRAX to do so.
When DRAW is executed from a program, the graphics display, which shows the resultant plot, does not persist unless PICTURE, PVIEW (with an empty list argument), or FREEZE is subsequently executed.
Access: …µDRAW
Flags: Simultaneous or Sequential Plot
Input/Output: None
See also: AUTO, AXES, DRAX, ERASE, FREEZE, PICTURE, LABEL, PVIEW
DRAW3DMATRIXType: Command
Description: Draws a 3D plot from the values in a specified matrix.
The number of rows indicates the number of units along the x axis, the number of columns indicates the number of units along the y axis, and the values in the matrix give the magnitudes of the plotted points along the z axis. In other words, the coordinates of a plotted point are (r, c, v) where r is the row number, c the column number and v the value in the corresponding cell of the matrix.
You can limit the points that are plotted by specifying a minimum value (vmin) and a maximum value (vmax). Values in the matrix outside this range are not plotted. If all values are included, the total number of points plotted is r × c.
Once the plot has been drawn, you can rotate it in various ways by pressing the following keys:
™and šrotate the plot around the x axis (in different directions)
Access: …µDRAW3DMATRIX
Input/Output:
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| Level 3/Argument 1 | Level 2/Argument 2 | Level 1/Argument 3 | Level 1/Item 1 |
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| [[ matrix ]] | vmin | vmax | → |
See also: | FAST3D |
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DRAX | Command |
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Description: | Draw Axes Command: Draws axes in PICT. |
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The coordinates of the axes intersection are specified by AXES. Axes
Access: …µDRAX
Input/Output: None
See also: AXES, DRAW, LABEL