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| <div class="subTitle">org.apache.commons.math3.fitting</div> |
| <h2 title="Class CurveFitter" class="title">Class CurveFitter<T extends <a href="../../../../../org/apache/commons/math3/analysis/ParametricUnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">ParametricUnivariateFunction</a>></h2> |
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| <li> |
| <ul class="inheritance"> |
| <li>org.apache.commons.math3.fitting.CurveFitter<T></li> |
| </ul> |
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| <div class="description"> |
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| <dl><dt><span class="strong">Type Parameters:</span></dt><dd><code>T</code> - Function to use for the fit.</dd></dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../org/apache/commons/math3/fitting/GaussianFitter.html" title="class in org.apache.commons.math3.fitting">GaussianFitter</a>, <a href="../../../../../org/apache/commons/math3/fitting/HarmonicFitter.html" title="class in org.apache.commons.math3.fitting">HarmonicFitter</a>, <a href="../../../../../org/apache/commons/math3/fitting/PolynomialFitter.html" title="class in org.apache.commons.math3.fitting">PolynomialFitter</a></dd> |
| </dl> |
| <hr> |
| <div class="block"><strong>Deprecated.</strong> |
| <div class="block"><i>As of 3.3. Please use <a href="../../../../../org/apache/commons/math3/fitting/AbstractCurveFitter.html" title="class in org.apache.commons.math3.fitting"><code>AbstractCurveFitter</code></a> and |
| <a href="../../../../../org/apache/commons/math3/fitting/WeightedObservedPoints.html" title="class in org.apache.commons.math3.fitting"><code>WeightedObservedPoints</code></a> instead.</i></div> |
| </div> |
| <br> |
| <pre><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public class <span class="strong">CurveFitter<T extends <a href="../../../../../org/apache/commons/math3/analysis/ParametricUnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">ParametricUnivariateFunction</a>></span> |
| extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Fitter for parametric univariate real functions y = f(x). |
| <br/> |
| When a univariate real function y = f(x) does depend on some |
| unknown parameters p<sub>0</sub>, p<sub>1</sub> ... p<sub>n-1</sub>, |
| this class can be used to find these parameters. It does this |
| by <em>fitting</em> the curve so it remains very close to a set of |
| observed points (x<sub>0</sub>, y<sub>0</sub>), (x<sub>1</sub>, |
| y<sub>1</sub>) ... (x<sub>k-1</sub>, y<sub>k-1</sub>). This fitting |
| is done by finding the parameters values that minimizes the objective |
| function ∑(y<sub>i</sub>-f(x<sub>i</sub>))<sup>2</sup>. This is |
| really a least squares problem.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>2.0</dd> |
| <dt><span class="strong">Version:</span></dt> |
| <dd>$Id: CurveFitter.java 1416643 2012-12-03 19:37:14Z tn $</dd></dl> |
| </li> |
| </ul> |
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| <h3>Constructor Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#CurveFitter(org.apache.commons.math3.optim.nonlinear.vector.MultivariateVectorOptimizer)">CurveFitter</a></strong>(<a href="../../../../../org/apache/commons/math3/optim/nonlinear/vector/MultivariateVectorOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector">MultivariateVectorOptimizer</a> optimizer)</code> |
| <div class="block"><strong>Deprecated.</strong> </div> |
| <div class="block">Simple constructor.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <h3>Method Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span>Methods</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(double, double)">addObservedPoint</a></strong>(double x, |
| double y)</code> |
| <div class="block"><strong>Deprecated.</strong> </div> |
| <div class="block">Add an observed (x,y) point to the sample with unit weight.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(double, double, double)">addObservedPoint</a></strong>(double weight, |
| double x, |
| double y)</code> |
| <div class="block"><strong>Deprecated.</strong> </div> |
| <div class="block">Add an observed weighted (x,y) point to the sample.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(org.apache.commons.math3.fitting.WeightedObservedPoint)">addObservedPoint</a></strong>(<a href="../../../../../org/apache/commons/math3/fitting/WeightedObservedPoint.html" title="class in org.apache.commons.math3.fitting">WeightedObservedPoint</a> observed)</code> |
| <div class="block"><strong>Deprecated.</strong> </div> |
| <div class="block">Add an observed weighted (x,y) point to the sample.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#clearObservations()">clearObservations</a></strong>()</code> |
| <div class="block"><strong>Deprecated.</strong> </div> |
| <div class="block">Remove all observations.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>double[]</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#fit(int, T, double[])">fit</a></strong>(int maxEval, |
| <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html" title="type parameter in CurveFitter">T</a> f, |
| double[] initialGuess)</code> |
| <div class="block"><strong>Deprecated.</strong> </div> |
| <div class="block">Fit a curve.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>double[]</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#fit(T, double[])">fit</a></strong>(<a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html" title="type parameter in CurveFitter">T</a> f, |
| double[] initialGuess)</code> |
| <div class="block"><strong>Deprecated.</strong> </div> |
| <div class="block">Fit a curve.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/fitting/WeightedObservedPoint.html" title="class in org.apache.commons.math3.fitting">WeightedObservedPoint</a>[]</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#getObservations()">getObservations</a></strong>()</code> |
| <div class="block"><strong>Deprecated.</strong> </div> |
| <div class="block">Get the observed points.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods_inherited_from_class_java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor_detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a name="CurveFitter(org.apache.commons.math3.optim.nonlinear.vector.MultivariateVectorOptimizer)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>CurveFitter</h4> |
| <pre>public CurveFitter(<a href="../../../../../org/apache/commons/math3/optim/nonlinear/vector/MultivariateVectorOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector">MultivariateVectorOptimizer</a> optimizer)</pre> |
| <div class="block"><span class="strong">Deprecated.</span> </div> |
| <div class="block">Simple constructor.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>optimizer</code> - Optimizer to use for the fitting.</dd><dt><span class="strong">Since:</span></dt> |
| <dd>3.1</dd></dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
| <a name="addObservedPoint(double, double)"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addObservedPoint</h4> |
| <pre>public void addObservedPoint(double x, |
| double y)</pre> |
| <div class="block"><span class="strong">Deprecated.</span> </div> |
| <div class="block">Add an observed (x,y) point to the sample with unit weight. |
| <p>Calling this method is equivalent to call |
| <code>addObservedPoint(1.0, x, y)</code>.</p></div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>x</code> - abscissa of the point</dd><dd><code>y</code> - observed value of the point at x, after fitting we should |
| have f(x) as close as possible to this value</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(double, double, double)"><code>addObservedPoint(double, double, double)</code></a>, |
| <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(org.apache.commons.math3.fitting.WeightedObservedPoint)"><code>addObservedPoint(WeightedObservedPoint)</code></a>, |
| <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#getObservations()"><code>getObservations()</code></a></dd></dl> |
| </li> |
| </ul> |
| <a name="addObservedPoint(double, double, double)"> |
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| <h4>addObservedPoint</h4> |
| <pre>public void addObservedPoint(double weight, |
| double x, |
| double y)</pre> |
| <div class="block"><span class="strong">Deprecated.</span> </div> |
| <div class="block">Add an observed weighted (x,y) point to the sample.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>weight</code> - weight of the observed point in the fit</dd><dd><code>x</code> - abscissa of the point</dd><dd><code>y</code> - observed value of the point at x, after fitting we should |
| have f(x) as close as possible to this value</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(double, double)"><code>addObservedPoint(double, double)</code></a>, |
| <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(org.apache.commons.math3.fitting.WeightedObservedPoint)"><code>addObservedPoint(WeightedObservedPoint)</code></a>, |
| <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#getObservations()"><code>getObservations()</code></a></dd></dl> |
| </li> |
| </ul> |
| <a name="addObservedPoint(org.apache.commons.math3.fitting.WeightedObservedPoint)"> |
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| <h4>addObservedPoint</h4> |
| <pre>public void addObservedPoint(<a href="../../../../../org/apache/commons/math3/fitting/WeightedObservedPoint.html" title="class in org.apache.commons.math3.fitting">WeightedObservedPoint</a> observed)</pre> |
| <div class="block"><span class="strong">Deprecated.</span> </div> |
| <div class="block">Add an observed weighted (x,y) point to the sample.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>observed</code> - observed point to add</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(double, double)"><code>addObservedPoint(double, double)</code></a>, |
| <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(double, double, double)"><code>addObservedPoint(double, double, double)</code></a>, |
| <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#getObservations()"><code>getObservations()</code></a></dd></dl> |
| </li> |
| </ul> |
| <a name="getObservations()"> |
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| <h4>getObservations</h4> |
| <pre>public <a href="../../../../../org/apache/commons/math3/fitting/WeightedObservedPoint.html" title="class in org.apache.commons.math3.fitting">WeightedObservedPoint</a>[] getObservations()</pre> |
| <div class="block"><span class="strong">Deprecated.</span> </div> |
| <div class="block">Get the observed points.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>observed points</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(double, double)"><code>addObservedPoint(double, double)</code></a>, |
| <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(double, double, double)"><code>addObservedPoint(double, double, double)</code></a>, |
| <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(org.apache.commons.math3.fitting.WeightedObservedPoint)"><code>addObservedPoint(WeightedObservedPoint)</code></a></dd></dl> |
| </li> |
| </ul> |
| <a name="clearObservations()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>clearObservations</h4> |
| <pre>public void clearObservations()</pre> |
| <div class="block"><span class="strong">Deprecated.</span> </div> |
| <div class="block">Remove all observations.</div> |
| </li> |
| </ul> |
| <a name="fit(org.apache.commons.math3.analysis.ParametricUnivariateFunction,double[])"> |
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| </a><a name="fit(T, double[])"> |
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| <h4>fit</h4> |
| <pre>public double[] fit(<a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html" title="type parameter in CurveFitter">T</a> f, |
| double[] initialGuess)</pre> |
| <div class="block"><span class="strong">Deprecated.</span> </div> |
| <div class="block">Fit a curve. |
| This method compute the coefficients of the curve that best |
| fit the sample of observed points previously given through calls |
| to the <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(org.apache.commons.math3.fitting.WeightedObservedPoint)"><code>addObservedPoint</code></a> method.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>f</code> - parametric function to fit.</dd><dd><code>initialGuess</code> - first guess of the function parameters.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the fitted parameters.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the start point dimension is wrong.</dd></dl> |
| </li> |
| </ul> |
| <a name="fit(int,org.apache.commons.math3.analysis.ParametricUnivariateFunction,double[])"> |
| <!-- --> |
| </a><a name="fit(int, T, double[])"> |
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| </a> |
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| <h4>fit</h4> |
| <pre>public double[] fit(int maxEval, |
| <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html" title="type parameter in CurveFitter">T</a> f, |
| double[] initialGuess)</pre> |
| <div class="block"><span class="strong">Deprecated.</span> </div> |
| <div class="block">Fit a curve. |
| This method compute the coefficients of the curve that best |
| fit the sample of observed points previously given through calls |
| to the <a href="../../../../../org/apache/commons/math3/fitting/CurveFitter.html#addObservedPoint(org.apache.commons.math3.fitting.WeightedObservedPoint)"><code>addObservedPoint</code></a> method.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>f</code> - parametric function to fit.</dd><dd><code>initialGuess</code> - first guess of the function parameters.</dd><dd><code>maxEval</code> - Maximum number of function evaluations.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the fitted parameters.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/commons/math3/exception/TooManyEvaluationsException.html" title="class in org.apache.commons.math3.exception">TooManyEvaluationsException</a></code> - if the number of allowed evaluations is exceeded.</dd> |
| <dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the start point dimension is wrong.</dd><dt><span class="strong">Since:</span></dt> |
| <dd>3.0</dd></dl> |
| </li> |
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