simple-squiggle

A restricted subset of Squiggle
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sparse_matrices.js (664B)

      1 // load math.js (using node.js)
      2 const { identity, multiply, transpose, complex } = require('..')
      3 
      4 // create a sparse matrix
      5 console.log('creating a 1000x1000 sparse matrix...')
      6 const a = identity(1000, 1000, 'sparse')
      7 
      8 // do operations with a sparse matrix
      9 console.log('doing some operations on the sparse matrix...')
     10 const b = multiply(a, a)
     11 const c = multiply(b, complex(2, 2))
     12 const d = transpose(c)
     13 const e = multiply(d, a)
     14 console.log('size(e)=', e.size())
     15 
     16 // we will not print the output, but doing the same operations
     17 // with a dense matrix are very slow, try it for yourself.
     18 console.log('already done')
     19 console.log('now try this with a dense matrix :)')