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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