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ndarray-trace

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ndarray-trace

Computes the trace of an ndarray

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npmnpm
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1.0.0
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ndarray-trace

Computes the trace of an ndarray (the sum of all diagonal entries of the array).

Example

var pack  = require('ndarray-pack')
var trace = require('ndarray-trace')

var M = pack([[1, 2, 3],
              [4, 5, 6],
              [7, 8, 9]])

console.log(trace(M))

Output:

15

Install

npm install ndarray-trace

API

require('ndarray-trace')(M)

Computes the sum of all diagonal entries in the ndarray M

  • M is an ndarray

Returns The sum of all diagonal entries

Credits

(c) 2014 Mikola Lysenko. MIT License

Keywords

trace

FAQs

Package last updated on 27 Sep 2014

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