vector.vectorbuilder.elementaryvector.md

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VectorBuilder.elementaryVector() method

Constructs a vector that has the value 1 at one index, and 0 at the others

Signature:

elementaryVector(dimension: number, oneIndex: number): V;

Parameters

Parameter	Type	Description
dimension	number	The dimension of the new vector
oneIndex	number	The index of the element that should be the multiplicative identity

Returns:

V

The new vector

Example

vectorBuilder.elementaryVector(4, 2); // [ 0 0 1 0 ]
vectorBuilder.elementaryVector(3, 0); // [ 1 0 0 ]