aima.core.util.math

Class Vector

java.lang.Object

aima.core.util.math.Matrix

aima.core.util.math.Vector

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class Vector
extends Matrix

Author:

Ravi Mohan, Mike Stampone

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Vector(int size) Constructs a vector with the specified size.
Vector(java.util.List<java.lang.Double> lst) Constructs a vector with the specified list of values.

Method Summary

Modifier and Type	Method and Description
Vector	copyVector() Returns a copy of this vector.
double	getValue(int i) Returns the value at the specified index.
int	indexHavingMaxValue() Returns the index at which the maximum value in this vector is located.
Vector	minus(Vector v) Returns the result of vector subtraction.
Vector	plus(Vector v) Returns the result of vector addition.
void	setValue(int index, double value) Sets the value at the specified index.
int	size() Returns the number of values in this vector.

Methods inherited from class aima.core.util.math.Matrix

arrayLeftDivide, arrayLeftDivideEquals, arrayRightDivide, arrayRightDivideEquals, arrayTimes, arrayTimesEquals, clone, constructWithCopy, copy, createDiagonalMatrix, det, get, getArray, getArrayCopy, getColumnDimension, getColumnPackedCopy, getMatrix, getMatrix, getMatrix, getMatrix, getRowDimension, getRowPackedCopy, identity, inverse, lu, minus, minusEquals, norm1, normInf, plus, plusEquals, print, print, print, print, random, read, set, setMatrix, setMatrix, setMatrix, setMatrix, solve, solveTranspose, times, times, timesEquals, toString, trace, transpose, uminus

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Vector

public Vector(int size)

Constructs a vector with the specified size.

Parameters:

size - the capacity of the vector

Vector

public Vector(java.util.List<java.lang.Double> lst)

Constructs a vector with the specified list of values.

Parameters:

lst - a list of values

Method Detail

getValue

public double getValue(int i)

Returns the value at the specified index.

Parameters:

i - the index of the value to return.

Returns:

the value at the specified index.

setValue

public void setValue(int index,
                     double value)

Sets the value at the specified index.

Parameters:

index - the index of the value to set.

value - the value to be placed at the index.

copyVector

public Vector copyVector()

Returns a copy of this vector.

Returns:

a copy of this vector.

size

public int size()

Returns the number of values in this vector.

Returns:

the number of values in this vector.

minus

public Vector minus(Vector v)

Returns the result of vector subtraction.

Parameters:

v - the vector to subtract

Returns:

the result of vector subtraction.

plus

public Vector plus(Vector v)

Returns the result of vector addition.

Parameters:

v - the vector to add

Returns:

the result of vector addition.

indexHavingMaxValue

public int indexHavingMaxValue()

Returns the index at which the maximum value in this vector is located.

Returns:

the index at which the maximum value in this vector is located.

Throws:

java.lang.RuntimeException - if the vector does not contain any values.