1 | 'use strict';
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 |
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7 | var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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8 |
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9 | var _base = require('./base');
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10 |
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11 | var _base2 = _interopRequireDefault(_base);
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12 |
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13 | var _arrays = require('../arrays');
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14 |
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15 | var Arrays = _interopRequireWildcard(_arrays);
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16 |
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17 | function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
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18 |
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19 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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20 |
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21 | function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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22 |
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23 | function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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24 |
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25 | function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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26 |
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27 |
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28 |
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29 |
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30 |
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31 |
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32 | var SigmoidKernel = function (_Kernel) {
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33 | _inherits(SigmoidKernel, _Kernel);
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34 |
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35 | |
36 |
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37 |
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38 |
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39 |
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40 |
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41 |
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42 | function SigmoidKernel() {
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43 | var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
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44 | _ref$gamma = _ref.gamma,
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45 | gamma = _ref$gamma === undefined ? 0.01 : _ref$gamma,
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46 | _ref$coef = _ref.coef0,
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47 | coef0 = _ref$coef === undefined ? 0 : _ref$coef;
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48 |
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49 | _classCallCheck(this, SigmoidKernel);
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50 |
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51 | |
52 |
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53 |
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54 |
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55 | var _this = _possibleConstructorReturn(this, (SigmoidKernel.__proto__ || Object.getPrototypeOf(SigmoidKernel)).call(this));
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56 |
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57 | _this.gamma = gamma;
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58 |
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59 | |
60 |
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61 |
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62 |
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63 | _this.coef0 = coef0;
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64 | return _this;
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65 | }
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66 |
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67 | |
68 |
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69 |
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70 |
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71 |
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72 | _createClass(SigmoidKernel, [{
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73 | key: 'apply',
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74 | value: function apply(x, y) {
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75 | return Math.tanh(this.gamma * Arrays.dot(x, y) + this.coef0);
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76 | }
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77 | }]);
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78 |
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79 | return SigmoidKernel;
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80 | }(_base2.default);
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81 |
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82 | exports.default = SigmoidKernel;
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83 | module.exports = exports.default; |
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