GETPT

Purpose:

Returns the value of the nth point of a series.

GETPT(series, index)

series	-	Optional. Any series or multi-column table. Defaults to the current Window.
index	-	An integer, the point index.

A scalar.

getpt(gsin(20,.05),5)

displays the value 0.951057, the 5th value of the generated sine wave.

a = gsin(20,.05);

a[5]

displays the value 0.951057, the 5th value of the generated sine wave.

An index n refers to the nth point in the series. GETPT works on Real and Complex series.

You can also use the following syntax to retrieve a value from a series or table:

W3[n]

returns the nth point from Window 3.

W4[r,c]

returns the element in the table in W4 at row r and column c.

See .. (Range Specifier) for more array syntax examples.