1 | /*
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2 | * Licensed to the Apache Software Foundation (ASF) under one or more
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3 | * contributor license agreements. See the NOTICE file distributed with
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4 | * this work for additional information regarding copyright ownership.
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5 | * The ASF licenses this file to You under the Apache License, Version 2.0
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6 | * (the "License"); you may not use this file except in compliance with
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7 | * the License. You may obtain a copy of the License at
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8 | *
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9 | * http://www.apache.org/licenses/LICENSE-2.0
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10 | *
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11 | * Unless required by applicable law or agreed to in writing, software
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12 | * distributed under the License is distributed on an "AS IS" BASIS,
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 | * See the License for the specific language governing permissions and
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15 | * limitations under the License.
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16 | */
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17 | package agents.anac.y2019.harddealer.math3.fitting;
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18 |
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19 | import java.io.Serializable;
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20 |
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21 | /**
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22 | * This class is a simple container for weighted observed point in
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23 | * {@link CurveFitter curve fitting}.
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24 | * <p>Instances of this class are guaranteed to be immutable.</p>
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25 | * @since 2.0
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26 | */
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27 | public class WeightedObservedPoint implements Serializable {
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28 | /** Serializable version id. */
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29 | private static final long serialVersionUID = 5306874947404636157L;
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30 | /** Weight of the measurement in the fitting process. */
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31 | private final double weight;
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32 | /** Abscissa of the point. */
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33 | private final double x;
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34 | /** Observed value of the function at x. */
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35 | private final double y;
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36 |
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37 | /**
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38 | * Simple constructor.
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39 | *
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40 | * @param weight Weight of the measurement in the fitting process.
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41 | * @param x Abscissa of the measurement.
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42 | * @param y Ordinate of the measurement.
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43 | */
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44 | public WeightedObservedPoint(final double weight, final double x, final double y) {
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45 | this.weight = weight;
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46 | this.x = x;
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47 | this.y = y;
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48 | }
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49 |
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50 | /**
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51 | * Gets the weight of the measurement in the fitting process.
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52 | *
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53 | * @return the weight of the measurement in the fitting process.
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54 | */
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55 | public double getWeight() {
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56 | return weight;
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57 | }
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58 |
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59 | /**
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60 | * Gets the abscissa of the point.
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61 | *
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62 | * @return the abscissa of the point.
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63 | */
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64 | public double getX() {
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65 | return x;
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66 | }
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67 |
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68 | /**
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69 | * Gets the observed value of the function at x.
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70 | *
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71 | * @return the observed value of the function at x.
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72 | */
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73 | public double getY() {
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74 | return y;
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75 | }
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76 |
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77 | }
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78 |
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