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## org.apache.commons.math.optimization.fitting
Class WeightedObservedPoint

    java.lang.Object
      org.apache.commons.math.optimization.fitting.WeightedObservedPoint

All Implemented Interfaces:
  java.io.Serializable

    public class WeightedObservedPoint

extends java.lang.Object
implements java.io.Serializable

This class is a simple container for weighted observed point in `curve fitting`.

Instances of this class are guaranteed to be immutable.

Since:
  2.0
Version:
  $Revision: 786479 $ $Date: 2009-06-19 08:36:16 -0400 (Fri, 19 Jun 2009) $
See Also:
  Serialized Form

Field Summary
`private static long` | `serialVersionUID` Serializable version id.
`private double` | `weight` Weight of the measurement in the fitting process.
`private double` | `x` Abscissa of the point.
`private double` | `y` Observed value of the function at x.

Constructor Summary
`WeightedObservedPoint(double weight, double x, double y)` Simple constructor.

Method Summary
`double` | `getWeight()` Get the weight of the measurement in the fitting process.
`double` | `getX()` Get the abscissa of the point.
`double` | `getY()` Get the observed value of the function at x.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### serialVersionUID

    private static final long serialVersionUID

  Serializable version id.

  See Also:
    Constant Field Values

### weight

    private final double weight

  Weight of the measurement in the fitting process.

### x

    private final double x

  Abscissa of the point.

### y

    private final double y

  Observed value of the function at x.

Constructor Detail

### WeightedObservedPoint

    public WeightedObservedPoint(double weight,
                                 double x,
                                 double y)

  Simple constructor.

  Parameters:
    `weight` - weight of the measurement in the fitting process
    `x` - abscissa of the measurement
    `y` - ordinate of the measurement

Method Detail

### getWeight

    public double getWeight()

  Get the weight of the measurement in the fitting process.

  Returns:
    weight of the measurement in the fitting process

### getX

    public double getX()

  Get the abscissa of the point.

  Returns:
    abscissa of the point

### getY

    public double getY()

  Get the observed value of the function at x.

  Returns:
    observed value of the function at x

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