Parsurface - HP 48gII Advanced User's Reference Manual

Graphing calculator
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See also:
BAUD, CKSM, TRANSIO

PARSURFACE

Type:
Command
Description: PARSURFACE Plot Type Command: Sets plot type to PARSURFACE.
When plot type is set to PARSURFACE, the DRAW command plots an image graph of a 3-
vector-valued function of two variables. PARSURFACE requires values in the reserved variables
EQ, VPAR, and PPAR.
VPAR is made up of the following elements:
{ x
, x
left
right
For plot type PARSURFACE, the elements of VPAR are used as follows:
• x
and x
left
• y
and y
near
• z
and z
low
• x
and x
min
1,1).
• y
and y
min
• x
, y
eye
eye
viewed.
• x
and y
step
coordinates plotted.
The plotting parameters are specified in the reserved variable PPAR, which has this form:
For plot type PARSURFACE, the elements of PPAR are used as follows:
• (x
, y
min
• (x
, y
max
• indep is a name specifying the independent variable. The default value of indep is X.
• res is not used.
• axes is not used.
• ptype is a command name specifying the plot type. Executing the command PARSURFACE
places the name PARSURFACE in ptype.
• depend is a name specifying the dependent variable. The default value is Y.
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n-Value
0
1
2
3
4
PARITY
Level 1/Argument 1
n
parity
, y
, y
, z
, z
, x
near
far
low
high
min
are real numbers that specify the width of the view space.
right
are real numbers that specify the depth of the view space.
far
are real numbers that specify the height of the view space.
high
are real numbers that specify the input region ' s width. The default value is (–
max
are real numbers that specify the input region ' s depth. The default value is (–1,1).
max
, and z
are real numbers that specify the point in space from which the graph is
eye
are real numbers that set the number of x-coordinates versus the number of y-
step
{ (x
, y
min
min
) is not used.
min
) is not used.
max
PARSURFACE
Meaning
no parity (the default value)
odd parity
even parity
mark
space
, x
, y
, y
, x
, y
, z
max
min
max
eye
eye
) , (x
, y
) , indep , res , axes , ptype , depend }
max
max
Full Command and Function Reference 3-117
Level 1/Item 1
, x
, y
}
eye
step
step

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