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GROWTH

This function calculates predicted exponential growth. This function returns the y values for a series of new x values that are specified by using existing x and y values.

Syntax

GROWTH(y, [x], [newx], [constant])

Remarks

This function has these arguments:

Argument

Description

y

[Required] Set of y values that are known in the relationship y=b*m^x

x

[Optional] X is an optional set of x values that may be known in the relationship y=b*m^x

newx

[Optional] New x values for which this functions returns the corresponding y values

constant

[Optional] Logical value that specifies whether to force the constant b to equal 1

If constant is true or omitted then b is calculated normally. If constant is false then b is equal to 0 and the m values are adjusted so that y=m^x.

If x is omitted then x defaults to the array {1,2,3...}, that has the same dimensions as y.

If newx is omitted then it defaults to x.

Remarks

Use the INDEX function to get individual elements from the returned array.

Examples

GROWTH(A2:A7,C2:C7,A9:A10)