vector.vectorbuilder.fromindexfunction.md

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VectorBuilder.fromIndexFunction() method

Constructs a vector with entries given by _entry = f(i)_ where _f_ is valueFromIndex and i is the index of the element

Signature:

fromIndexFunction(dimension: number, valueFromIndex: VectorIndexFunction<S>): V;

Parameters

Parameter	Type	Description
dimension	number	The dimension of the vector to generate
valueFromIndex	VectorIndexFunction<S>	A function returning the entry for a given index

Returns:

V

The new vector

Example

vectorBuilder.fromIndexFunction(4, i => i + 3); // [ 3 4 5 6 ]