SethTrowbridge/nn
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SethTrowbridge merged 13 commits from network into master 2021-07-29 16:16:32 -04:00
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2 changed files with 14 additions and 20 deletions
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33
nn.test.js
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@ -2,16 +2,9 @@ import { assert, assertEquals } from "https://deno.land/std@0.102.0/testing/asse
import { Label, Forward, Backward } from "./nn.ts"; import { Label, Forward, Backward } from "./nn.ts";
import { default as M } from "./m.ts"; import { default as M } from "./m.ts";
const input = [ let training = [];
[ 0.1, 0.05], let stages = [];
[ 0.0, -0.06] let layers = [];
[ 0.99, 0.85],
[ 1.2, 1.05]
];
const training = [];
const stages = [];
const layers = [];
Deno.test("NN.Label", ()=> Deno.test("NN.Label", ()=>
{ {
@ -38,19 +31,21 @@ Deno.test("NN.Label", ()=>
Deno.test("NN.Backward", ()=> Deno.test("NN.Backward", ()=>
{ {
layers.push(M.Create.Box([0, 0, 0], [1, 1, 1], 4)); let layer1 = M.Create.Box([0, 0, 0], [1, 1, 1], 4);
layers.push(M.Create.Box([0, 0, 0, 0, 0], [1, 1, 1, 1, 1], 1)); let layer2 = M.Create.Box([0, 0, 0, 0, 0], [1, 1, 1, 1, 1], 1);
let copy1 = M.Create.Clone(layer1);
let copy2 = M.Create.Clone(layer2);
let copy1 = M.Create.Clone(layers[0]); layers.push(layer1);
let copy2 = M.Create.Clone(layers[1]); layers.push(layer2);
for(let i=0; i<1000; i++) for(let i=0; i<100; i++)
{ {
Backward(stages, layers, training[1], 0.1); Backward(stages, layers, training[1], 0.01);
} }
console.log(layer1, copy1);
assert(layers[0][0][0] != copy1[0][0][0], "first matrix has changed"); assert(layer1[0][0] != copy1[0][0], "first matrix has changed");
assert(layers[1][0][0] != copy2[0][0][0], "second matrix has changed"); assert(layer1[1][0] != copy2[1][0], "second matrix has changed");
}); });
Deno.test("NN.Forward", ()=> Deno.test("NN.Forward", ()=>

1
nn.ts
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@ -38,7 +38,6 @@ const Backward = (inStages:N, inLayers:N, inGoals:Cloud.M, inRate:number):void =
let layerMatrix:Cloud.M = inLayers[i]; let layerMatrix:Cloud.M = inLayers[i];
let layerInput:Cloud.M = inStages[i]; let layerInput:Cloud.M = inStages[i];
let layerOutput:Cloud.M = inStages[i+1]; let layerOutput:Cloud.M = inStages[i+1];
let errorScaled:Cloud.M = M.Batch.Multiply(errorBack, M.Batch.Derivative(layerOutput)); let errorScaled:Cloud.M = M.Batch.Multiply(errorBack, M.Batch.Derivative(layerOutput));
errorBack = M.Batch.Affine(errorScaled, M.Create.Transpose(layerMatrix)); errorBack = M.Batch.Affine(errorScaled, M.Create.Transpose(layerMatrix));