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<div class="subTitle">org.apache.commons.math3.ode</div>
<h2 title="Class ContinuousOutputFieldModel" class="title">Class ContinuousOutputFieldModel&lt;T extends <a href="../../../../../org/apache/commons/math3/RealFieldElement.html" title="interface in org.apache.commons.math3">RealFieldElement</a>&lt;T&gt;&gt;</h2>
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<li>org.apache.commons.math3.ode.ContinuousOutputFieldModel&lt;T&gt;</li>
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<dl><dt><span class="strong">Type Parameters:</span></dt><dd><code>T</code> - the type of the field elements</dd></dl>
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/commons/math3/ode/sampling/FieldStepHandler.html" title="interface in org.apache.commons.math3.ode.sampling">FieldStepHandler</a>&lt;T&gt;</dd>
</dl>
<hr>
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<pre>public class <span class="strong">ContinuousOutputFieldModel&lt;T extends <a href="../../../../../org/apache/commons/math3/RealFieldElement.html" title="interface in org.apache.commons.math3">RealFieldElement</a>&lt;T&gt;&gt;</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../org/apache/commons/math3/ode/sampling/FieldStepHandler.html" title="interface in org.apache.commons.math3.ode.sampling">FieldStepHandler</a>&lt;T&gt;</pre>
<div class="block">This class stores all information provided by an ODE integrator
 during the integration process and build a continuous model of the
 solution from this.

 <p>This class act as a step handler from the integrator point of
 view. It is called iteratively during the integration process and
 stores a copy of all steps information in a sorted collection for
 later use. Once the integration process is over, the user can use
 the <a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html#getInterpolatedState(T)"><code>getInterpolatedState</code></a>
 method to retrieve this information at any time. It is important to wait
 for the integration to be over before attempting to call <a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html#getInterpolatedState(T)"><code>getInterpolatedState(RealFieldElement)</code></a> because some internal
 variables are set only once the last step has been handled.</p>

 <p>This is useful for example if the main loop of the user
 application should remain independent from the integration process
 or if one needs to mimic the behaviour of an analytical model
 despite a numerical model is used (i.e. one needs the ability to
 get the model value at any time or to navigate through the
 data).</p>

 <p>If problem modeling is done with several separate
 integration phases for contiguous intervals, the same
 ContinuousOutputModel can be used as step handler for all
 integration phases as long as they are performed in order and in
 the same direction. As an example, one can extrapolate the
 trajectory of a satellite with one model (i.e. one set of
 differential equations) up to the beginning of a maneuver, use
 another more complex model including thrusters modeling and
 accurate attitude control during the maneuver, and revert to the
 first model after the end of the maneuver. If the same continuous
 output model handles the steps of all integration phases, the user
 do not need to bother when the maneuver begins or ends, he has all
 the data available in a transparent manner.</p>

 <p>One should be aware that the amount of data stored in a
 ContinuousOutputFieldModel instance can be important if the state vector
 is large, if the integration interval is long or if the steps are
 small (which can result from small tolerance settings in <a href="../../../../../org/apache/commons/math3/ode/nonstiff/AdaptiveStepsizeFieldIntegrator.html" title="class in org.apache.commons.math3.ode.nonstiff"><code>adaptive
 step size integrators</code></a>).</p></div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>3.6</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/ode/sampling/FieldStepHandler.html" title="interface in org.apache.commons.math3.ode.sampling"><code>FieldStepHandler</code></a>, 
<a href="../../../../../org/apache/commons/math3/ode/sampling/FieldStepInterpolator.html" title="interface in org.apache.commons.math3.ode.sampling"><code>FieldStepInterpolator</code></a></dd></dl>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html#ContinuousOutputFieldModel()">ContinuousOutputFieldModel</a></strong>()</code>
<div class="block">Simple constructor.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html#append(org.apache.commons.math3.ode.ContinuousOutputFieldModel)">append</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="class in org.apache.commons.math3.ode">ContinuousOutputFieldModel</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&gt;&nbsp;model)</code>
<div class="block">Append another model at the end of the instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html#getFinalTime()">getFinalTime</a></strong>()</code>
<div class="block">Get the final integration time.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html#getInitialTime()">getInitialTime</a></strong>()</code>
<div class="block">Get the initial integration time.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/ode/FieldODEStateAndDerivative.html" title="class in org.apache.commons.math3.ode">FieldODEStateAndDerivative</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html#getInterpolatedState(T)">getInterpolatedState</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&nbsp;time)</code>
<div class="block">Get the state at interpolated time.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html#handleStep(org.apache.commons.math3.ode.sampling.FieldStepInterpolator,%20boolean)">handleStep</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/sampling/FieldStepInterpolator.html" title="interface in org.apache.commons.math3.ode.sampling">FieldStepInterpolator</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&gt;&nbsp;interpolator,
          boolean&nbsp;isLast)</code>
<div class="block">Handle the last accepted step.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html#init(org.apache.commons.math3.ode.FieldODEStateAndDerivative,%20T)">init</a></strong>(<a href="../../../../../org/apache/commons/math3/ode/FieldODEStateAndDerivative.html" title="class in org.apache.commons.math3.ode">FieldODEStateAndDerivative</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&gt;&nbsp;initialState,
    <a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&nbsp;t)</code>
<div class="block">Initialize step handler at the start of an ODE integration.</div>
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<h4>ContinuousOutputFieldModel</h4>
<pre>public&nbsp;ContinuousOutputFieldModel()</pre>
<div class="block">Simple constructor.
 Build an empty continuous output model.</div>
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<a name="append(org.apache.commons.math3.ode.ContinuousOutputFieldModel)">
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<h4>append</h4>
<pre>public&nbsp;void&nbsp;append(<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="class in org.apache.commons.math3.ode">ContinuousOutputFieldModel</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&gt;&nbsp;model)
            throws <a href="../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a>,
                   <a href="../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html" title="class in org.apache.commons.math3.exception">MaxCountExceededException</a></pre>
<div class="block">Append another model at the end of the instance.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>model</code> - model to add at the end of the instance</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/MathIllegalArgumentException.html" title="class in org.apache.commons.math3.exception">MathIllegalArgumentException</a></code> - if the model to append is not
 compatible with the instance (dimension of the state vector,
 propagation direction, hole between the dates)</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 dimensions of the states or
 the number of secondary states do not match</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html" title="class in org.apache.commons.math3.exception">MaxCountExceededException</a></code> - if the number of functions evaluations is exceeded
 during step finalization</dd></dl>
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<h4>init</h4>
<pre>public&nbsp;void&nbsp;init(<a href="../../../../../org/apache/commons/math3/ode/FieldODEStateAndDerivative.html" title="class in org.apache.commons.math3.ode">FieldODEStateAndDerivative</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&gt;&nbsp;initialState,
        <a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&nbsp;t)</pre>
<div class="block">Initialize step handler at the start of an ODE integration.
 <p>
 This method is called once at the start of the integration. It
 may be used by the step handler to initialize some internal data
 if needed.
 </p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/ode/sampling/FieldStepHandler.html#init(org.apache.commons.math3.ode.FieldODEStateAndDerivative,%20T)">init</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/commons/math3/ode/sampling/FieldStepHandler.html" title="interface in org.apache.commons.math3.ode.sampling">FieldStepHandler</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a> extends <a href="../../../../../org/apache/commons/math3/RealFieldElement.html" title="interface in org.apache.commons.math3">RealFieldElement</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&gt;&gt;</code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>initialState</code> - initial time, state vector and derivative</dd><dd><code>t</code> - target time for the integration</dd></dl>
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<h4>handleStep</h4>
<pre>public&nbsp;void&nbsp;handleStep(<a href="../../../../../org/apache/commons/math3/ode/sampling/FieldStepInterpolator.html" title="interface in org.apache.commons.math3.ode.sampling">FieldStepInterpolator</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&gt;&nbsp;interpolator,
              boolean&nbsp;isLast)
                throws <a href="../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html" title="class in org.apache.commons.math3.exception">MaxCountExceededException</a></pre>
<div class="block">Handle the last accepted step.
 A copy of the information provided by the last step is stored in
 the instance for later use.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/ode/sampling/FieldStepHandler.html#handleStep(org.apache.commons.math3.ode.sampling.FieldStepInterpolator,%20boolean)">handleStep</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/commons/math3/ode/sampling/FieldStepHandler.html" title="interface in org.apache.commons.math3.ode.sampling">FieldStepHandler</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a> extends <a href="../../../../../org/apache/commons/math3/RealFieldElement.html" title="interface in org.apache.commons.math3">RealFieldElement</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&gt;&gt;</code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>interpolator</code> - interpolator for the last accepted step.</dd><dd><code>isLast</code> - true if the step is the last one</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/MaxCountExceededException.html" title="class in org.apache.commons.math3.exception">MaxCountExceededException</a></code> - if the number of functions evaluations is exceeded
 during step finalization</dd></dl>
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<h4>getInitialTime</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&nbsp;getInitialTime()</pre>
<div class="block">Get the initial integration time.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>initial integration time</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&nbsp;getFinalTime()</pre>
<div class="block">Get the final integration time.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>final integration time</dd></dl>
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<h4>getInterpolatedState</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/ode/FieldODEStateAndDerivative.html" title="class in org.apache.commons.math3.ode">FieldODEStateAndDerivative</a>&lt;<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&gt;&nbsp;getInterpolatedState(<a href="../../../../../org/apache/commons/math3/ode/ContinuousOutputFieldModel.html" title="type parameter in ContinuousOutputFieldModel">T</a>&nbsp;time)</pre>
<div class="block">Get the state at interpolated time.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>time</code> - time of the interpolated point</dd>
<dt><span class="strong">Returns:</span></dt><dd>state at interpolated time</dd></dl>
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