20 lines
664 B
JavaScript
20 lines
664 B
JavaScript
// load math.js (using node.js)
|
|
const { identity, multiply, transpose, complex } = require('..')
|
|
|
|
// create a sparse matrix
|
|
console.log('creating a 1000x1000 sparse matrix...')
|
|
const a = identity(1000, 1000, 'sparse')
|
|
|
|
// do operations with a sparse matrix
|
|
console.log('doing some operations on the sparse matrix...')
|
|
const b = multiply(a, a)
|
|
const c = multiply(b, complex(2, 2))
|
|
const d = transpose(c)
|
|
const e = multiply(d, a)
|
|
console.log('size(e)=', e.size())
|
|
|
|
// we will not print the output, but doing the same operations
|
|
// with a dense matrix are very slow, try it for yourself.
|
|
console.log('already done')
|
|
console.log('now try this with a dense matrix :)')
|