31:T4ff,html`

${fn}`)}

`32:[] 2f:{"title":"Parametric Sigmoids","cells":[{"id":0,"value":"md`# Parametric Sigmoids`","pinned":false,"hidden":false,"mode":"ojs"},{"id":20,"value":"d3 = require('d3')","pinned":false,"hidden":false,"mode":"ojs"},{"id":7,"value":"import { slider } from '@jashkenas/inputs'","pinned":false,"hidden":false,"mode":"ojs"},{"id":29,"value":"resolution = 256","pinned":false,"hidden":false,"mode":"ojs"},{"id":27,"value":"points = d3.range(0, resolution * 2).map(i => [i - resolution, (i - resolution) / resolution])","pinned":false,"hidden":false,"mode":"ojs"},{"id":54,"value":"cosine = (x,amt) => (Math.sin(x * amt))","pinned":false,"hidden":false,"mode":"ojs"},{"id":131,"value":"functions = ({\n exponential: (x,amt) => (Math.sign(x) * Math.pow(Math.abs(x), 1 / Math.pow(amt + 1.01, 4))),\n sigmoid: (x,amt) => (1 / (1 + Math.pow(Math.e, -1 * x * amt))),\n sine: (x,amt) => (Math.sin(x * amt)),\n log: (x,amt) => (Math.sign(x) * Math.log(Math.abs(x * amt) + 1)),\n tanh: (x,amt) => (Math.tanh(x * amt)),\n parametric: (x, amt) => {\n amt = amt * -0.99\n return (x - x * amt) /\n (amt - Math.abs(x) * 2.0 * amt + 1.0)\n }\n})","pinned":true,"hidden":false,"mode":"ojs"},{"id":90,"value":"generateD = (points, fn, amt) => {\n const plotX = d3.scaleLinear().domain([-1 * resolution, resolution]).range([0, 1])\n const plotY = d3.scaleLinear().domain([-1, 1]).range([1, 0])\n \n points = points.map(([x, y]) => `${plotX(x)},${plotY(fn(y, amt))}`)\n return `M${points.join(`L`)}`\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":94,"value":"viewof amount = slider({\n min: -1,\n max: 1,\n precision: 2,\n title: 'Amount'\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":199,"value":"list = Object.keys(functions)","pinned":false,"hidden":false,"mode":"ojs"},{"id":15,"value":"$31","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W32","stdlib":"1","titling":"auto"}