Class ConcatenatedVectorFunction

  • All Implemented Interfaces:

    public class ConcatenatedVectorFunction
    extends VectorFunction
    For the set of $k$ vector functions $f_i: \mathbb{R}^{m_i} \to \mathbb{R}^{n_i} \quad x_i \mapsto f_i(x_i) = y_i$ this forms the function $f: \mathbb{R}^{m} \to \mathbb{R}^{n} \quad x_i \mapsto f(x) = y$ where $n = \sum_{i=1}^k n_i$ and $m = \sum_{i=1}^k m_i$ and $x = (x_1,x_2,\dots,x_k)$ \& $y = (y_1,y_2,\dots,y_k)$.
    • Constructor Detail

      • ConcatenatedVectorFunction

        public ConcatenatedVectorFunction​(VectorFunction[] functions)
        Creates an instance.

        This creates the concatenated function, in the order that the sub functions are given.

        functions - the sub functions
    • Method Detail

      • calculateJacobian

        public DoubleMatrix calculateJacobian​(DoubleArray x)
        Description copied from class: VectorFunction
        Calculate the Jacobian at a point $\mathbf{x}$. For a function $f: \mathbb{R}^m \to \mathbb{R}^n \quad x \mapsto f(x)$, the Jacobian is a n by m matrix.
        Specified by:
        calculateJacobian in class VectorFunction
        x - the input vector $\mathbf{x}$
        the Jacobian $\mathbf{J}$
      • getLengthOfDomain

        public int getLengthOfDomain()
        Description copied from class: VectorFunction
        The length of the input vector $\mathbf{x}$.
        Specified by:
        getLengthOfDomain in class VectorFunction
        length of input vector (domain)
      • getLengthOfRange

        public int getLengthOfRange()
        Description copied from class: VectorFunction
        The length of the output vector $\mathbf{y}$.
        Specified by:
        getLengthOfRange in class VectorFunction
        length of output vector (range)