Estimates new values between existing ones. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Similar: interleave, intermix, interpolate, intersperse.

This is part of package extra-array.

array.interpolate(x, fc);
// x:  an array
// fc: combine function (a, b)

const array = require("extra-array");

var x = [1, 2, 3];
array.interpolate(x, (a, b) => (a + b)/2);
// [ 1, 1.5, 2, 2.5, 3 ]