IntFactory3D
cern.colt.matrix.tint

Class IntFactory3D

  • All Implemented Interfaces:
    Serializable, Cloneable


    public class IntFactory3Dextends PersistentObject
    Factory for convenient construction of 3-d matrices holding int cells. Use idioms like IntFactory3D.dense.make(4,4,4) to construct dense matrices, IntFactory3D.sparse.make(4,4,4) to construct sparse matrices. If the factory is used frequently it might be useful to streamline the notation. For example by aliasing:
      IntFactory3D F = IntFactory3D.dense;  F.make(4,4,4);  F.descending(10,20,5);  F.random(4,4,5);  ... 
    See Also:
    Serialized Form
    • Field Summary

      Fields 
      Modifier and TypeField and Description
      static IntFactory3Ddense
      A factory producing dense matrices.
      static IntFactory3Dsparse
      A factory producing sparse matrices.
    • Method Summary

      Methods 
      Modifier and TypeMethod and Description
      IntMatrix3Dascending(int slices, int rows, int columns)
      Constructs a matrix with cells having ascending values.
      IntMatrix3Ddescending(int slices, int rows, int columns)
      Constructs a matrix with cells having descending values.
      IntMatrix3Dmake(int[][][] values)
      Constructs a matrix with the given cell values.
      IntMatrix3Dmake(int slices, int rows, int columns)
      Constructs a matrix with the given shape, each cell initialized with zero.
      IntMatrix3Dmake(int slices, int rows, int columns, int initialValue)
      Constructs a matrix with the given shape, each cell initialized with the given value.
      IntMatrix3Drandom(int slices, int rows, int columns)
      Constructs a matrix with uniformly distributed values in (0,1) (exclusive).
    • Field Detail

      • dense

        public static final IntFactory3D dense
        A factory producing dense matrices.
      • sparse

        public static final IntFactory3D sparse
        A factory producing sparse matrices.
    • Method Detail

      • ascending

        public IntMatrix3D ascending(int slices,                    int rows,                    int columns)
        Constructs a matrix with cells having ascending values. For debugging purposes.
      • descending

        public IntMatrix3D descending(int slices,                     int rows,                     int columns)
        Constructs a matrix with cells having descending values. For debugging purposes.
      • make

        public IntMatrix3D make(int[][][] values)
        Constructs a matrix with the given cell values. values is required to have the form values[slice][row][column] and have exactly the same number of slices, rows and columns as the receiver.

        The values are copied. So subsequent changes in values are not reflected in the matrix, and vice-versa.

        Parameters:
        values - the values to be filled into the cells.
        Returns:
        this (for convenience only).
        Throws:
        IllegalArgumentException - if values.length != slices() || for any 0 <= slice < slices(): values[slice].length != rows() .
        IllegalArgumentException - if for any 0 <= column < columns(): values[slice][row].length != columns() .
      • make

        public IntMatrix3D make(int slices,               int rows,               int columns)
        Constructs a matrix with the given shape, each cell initialized with zero.
      • make

        public IntMatrix3D make(int slices,               int rows,               int columns,               int initialValue)
        Constructs a matrix with the given shape, each cell initialized with the given value.
      • random

        public IntMatrix3D random(int slices,                 int rows,                 int columns)
        Constructs a matrix with uniformly distributed values in (0,1) (exclusive).

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