From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: "Brannon, Terrence" Newsgroups: gmane.emacs.devel Subject: RE: landmark.el Date: Fri, 7 Dec 2018 22:02:54 +0000 Message-ID: <5c0cc6ef24cf4b6d805930194f75f9a9@DEN-EX13MBX1.den.OFI.com> References: <967fe732564a49118c494642ea3d50f0@DEN-EX13MBX1.den.OFI.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1544220067 21133 195.159.176.226 (7 Dec 2018 22:01:07 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 7 Dec 2018 22:01:07 +0000 (UTC) To: "emacs-devel@gnu.org" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Dec 07 23:01:03 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gVOBB-0005KG-Mk for ged-emacs-devel@m.gmane.org; Fri, 07 Dec 2018 23:01:02 +0100 Original-Received: from localhost ([::1]:48191 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gVODI-0003nT-2E for ged-emacs-devel@m.gmane.org; Fri, 07 Dec 2018 17:03:12 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41302) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gVOD9-0003nK-HD for emacs-devel@gnu.org; Fri, 07 Dec 2018 17:03:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gVOD4-0007lY-TO for emacs-devel@gnu.org; Fri, 07 Dec 2018 17:03:03 -0500 Original-Received: from mx0b-0013f101.pphosted.com ([148.163.141.219]:56060) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gVOD4-0007kQ-Kt for emacs-devel@gnu.org; Fri, 07 Dec 2018 17:02:58 -0500 Original-Received: from pps.filterd (m0159656.ppops.net [127.0.0.1]) by mx0b-0013f101.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id wB7LpH40013779 for ; Fri, 7 Dec 2018 22:02:56 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ofiglobal.com; h=from : to : date : message-id : references : in-reply-to : content-type : content-transfer-encoding : mime-version : subject; s=production; bh=KEeV5Q05/ynqNW2jMLgOH5K3dgmm9WfhgeAhebK6t2o=; b=NJHf9zmxTv0o9W4pN8KKvrWKYsQml39hzlPHCHYwcnRknPF2S7NxFF5UVLQ7I6IJryH5 TW070JnMXC8eJqE2P6tYVwcCfHKOZQUHU4XS5Z7ZG1w0a9jkNItolUJi2g4Ckpn39Fpd zgAoeKdRtcXmNvkKlaQmblR3vIs45SuRuRVhyaQiJySUhMtO931wIkEiO5T+hA63HEfC x0XuDZvyWZ+M5OXYL/tUYUGGyXS0EUdKUia6upP6MYUsC7vdKU7jvgAYg7/vqygMBIPy KOvOGTjLZxNzLFqqNdx8sHeHfYdzY6FgcIP4QlbGT+NhNrNxPv0g51fNMv6zzK3MKQKY 3g== Original-Received: from mailroutemstr.den.ofi.com (oppenheimer34.oppenheimerfunds.com [208.203.94.34]) by mx0b-0013f101.pphosted.com with ESMTP id 2p80jfg2ce-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 07 Dec 2018 22:02:56 +0000 Original-Received: from pps.filterd (mailroute2.den.ofi.com [127.0.0.1]) by mailroute2.den.ofi.com (8.16.0.21/8.16.0.21) with SMTP id wB7Lvut4122059 for ; Fri, 7 Dec 2018 15:02:55 -0700 Original-Received: from den-ex13mbx1.den.ofi.com (denltm_12_v.den.ofi.com [172.17.38.77]) by mailroute2.den.ofi.com with ESMTP id 2p3sfr6a8m-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Fri, 07 Dec 2018 15:02:55 -0700 Original-Received: from DEN-EX13MBX1.den.OFI.com (172.17.104.15) by DEN-EX13MBX1.den.OFI.com (172.17.104.15) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Fri, 7 Dec 2018 15:02:54 -0700 Original-Received: from DEN-EX13MBX1.den.OFI.com ([172.17.104.15]) by DEN-EX13MBX1.den.OFI.com ([169.254.1.13]) with mapi id 15.00.1320.000; Fri, 7 Dec 2018 15:02:54 -0700 Thread-Topic: landmark.el [ EXTERNAL ] Thread-Index: AQHUjcXEFrTPTfLgw0iOfal8sICPKaVz1WPw In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [172.17.104.27] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-12-07_07:, , signatures=0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.141.219 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:231718 Archived-At: -----Original Message----- From: Emacs-devel [mailto:emacs-devel-bounces+tbrannon.contractor=3Dofiglob= al.com@gnu.org] On Behalf Of Stefan Monnier Sent: Thursday, December 6, 2018 5:38 PM To: emacs-devel@gnu.org Subject: Re: landmark.el [ EXTERNAL ] > I would like to provide some edits to the Full description we see at=20 > https://urldefense.proofpoint.com/v2/url?u=3Dhttp-3A__elpa.gnu.org_packa > ges_landmark.html&d=3DDwIBAg&c=3DhuW-Z3760n7oNORvLCN2eBo-Ehm9Q_bNeNJaAMovB > jQ&r=3DuvXYcBD4O7n5Ah7cexUTOH7HUSodf0nzeN28F7OKuAxMhDsehRnahd_yZf-XdItD& > m=3DPmF4jAwV81WZV7zgW48Napnf_K7g2FkuV_y4AH8pVLU&s=3DM1uQx1mJCjOH-xScnPfxdz > uhLZmHUDJjGiOJrfQLaIw&e=3D > > Apparently this would be done by supplying a pull request to the=20 > actual source code - >> You can send a patch here or via M-x report-emacs-bug (or directly to me= ). c:\prg\landmark>git diff landmark.el=20 git diff landmark.el=20 diff --git a/landmark.el b/landmark.el index 9b48901..b1ffd8a 100644 --- a/landmark.el +++ b/landmark.el @@ -2,7 +2,7 @@ =20 ;; Copyright (C) 1996-1997, 2000-2016 Free Software Foundation, Inc. =20 -;; Author: Terrence Brannon (was: ) +;; Author: Terrence Brannon ;; Created: December 16, 1996 - first release to usenet ;; Keywords: games, neural network, adaptive search, chemotaxis ;; Maintainer: emacs-devel@gnu.org @@ -34,7 +34,7 @@ ;; the smell of the tree increases, then the weights in the robot's ;; brain are adjusted to encourage this odor-driven behavior in the ;; future. If the smell of the tree decreases, the robots weights are -;; adjusted to discourage a correct move. +;; adjusted to discourage that odor-driven behavior. =20 ;; In laymen's terms, the search space is initially flat. The point ;; of training is to "turn up the edges of the search space" so that @@ -51,6 +51,13 @@ ;; a single move, one moves east,west and south, then both east and ;; west will be improved when they shouldn't =20 +;; The source code was developed as part of a course on Brain Theory +;; and Neural Networks at the University of Southern California. The +;; original problem description and solution appeared in 1981 in the +;; paper "Landmark Learning: An Illustration of Associative +;; Search" authored by Andrew G. Barto and Richard S. Sutton and +;; published to Biological Cybernetics. + ;; Many thanks to Yuri Pryadkin for this ;; concise problem description. 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