import { GPUBackend } from "https://deno.land/x/netsaur@0.1.5/backends/gpu/backend.ts";
Parameters
output: GPUMatrix
x/netsaur/backends/gpu/backend.ts>GPUBackend#backpropagate
import { GPUBackend } from "https://deno.land/x/netsaur@0.1.5/backends/gpu/backend.ts";