@thi.ng/vectors/vec-of.js

Optimized 2d/3d/4d and arbitrary length vector operations, support for memory mapping/layouts

const vecOf = (size, n = 0) => new Array(size).fill(n);
const oneHot = (size, hot, value = 1) => {
  const res = vecOf(size);
  res[hot] = value;
  return res;
};
export {
  oneHot,
  vecOf
};