ValueAndJacobianFunction (Apache Commons Math 3.6.1 API)

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All Superinterfaces:

MultivariateJacobianFunction
```
public interface ValueAndJacobianFunction
extends MultivariateJacobianFunction
```
A interface for functions that compute a vector of values and can compute their derivatives (Jacobian).

Since:

3.4

- Method Summary
  
  Methods
  Modifier and Type Method and Description
  
  RealMatrix computeJacobian(double[] params)
  Compute the Jacobian.
  
  RealVector computeValue(double[] params)
  Compute the value.
  - Methods inherited from interface org.apache.commons.math3.fitting.leastsquares.MultivariateJacobianFunction
    value

- Method Detail
  - computeValue
```
RealVector computeValue(double[] params)
```
    Compute the value.
    
    Parameters:
    params - Point.
    
    Returns:
    the value at the given point.
  - computeJacobian
```
RealMatrix computeJacobian(double[] params)
```
    Compute the Jacobian.
    
    Parameters:
    params - Point.
    
    Returns:
    the Jacobian at the given point.

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