PlotPhase

Function: Graphs a phase plot based on numeric sequences that correspond to the x-axis and y-axis.

Syntax: PlotPhase <x-axis numeric sequence name>, <y-axis numeric sequence name>

Description:

• Only the following commands can be input for each argument to specify the recursion table.

an, bn, cn, an+1, bn+1, cn+1, an+2, bn+2, cn+2, Σan, Σbn, Σcn, Σan+1, Σbn+1, Σcn+1, Σan+2, Σbn+2, Σcn+2

A Memory ERROR occurs if you specify a numeric sequence name that does not have values stored in the recursion table.

Example: PlotPhase Σbn+1, Σan+1

Graphs a phase plot using Σbn+1 for the x-axis and Σan+1 for the y-axis.

kInput/Output Commands (I/O)Getkey

Function: This command returns the code that corresponds to the last key pressed.

Syntax: Getkey

Description:

• This command returns the code that corresponds to the last key pressed.

A value of zero is returned if no key was pressed previous to executing this command.

This command can be used inside of a loop.

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