Package com.titan.math

Class Vector

java.lang.Object

com.titan.math.Vector

public class Vector
extends Object

Constructor Summary

Constructors

Constructor	Description
Vector(double[] values)	constructs a vector and calculates its length using the appropriate formula

Method Summary

Modifier and Type	Method	Description
Vector	add(Vector v)	adds two vectors together
static Vector	add(Vector v, Vector c)
Vector	clone()	clones a vector
double	dotProduct(Vector c)
static double	dotProduct(Vector v, Vector c)
boolean	equals(Object anotherVector)
double	getLength()	returns the length of a vector
int	getSize()	returns the dimension of a vector
double	getValue(int i)
double[]	getValues()
Vector	multiplyByScalar(double c)	multiplies a given vector by a scalar
Vector	subtract(Vector v)	subtracts a vector from another
static Vector	subtract(Vector v, Vector c)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

Vector

public Vector(double[] values)

constructs a vector and calculates its length using the appropriate formula

Parameters:

values -

Method Details

getLength

public double getLength()

returns the length of a vector

Returns:

getSize

public int getSize()

returns the dimension of a vector

Returns:

getValues

public double[] getValues()

Returns:

values a vector holds

getValue

public double getValue(int i)

Parameters:

i - index of value

Returns:

specific value a vector holds

add

public Vector add(Vector v)

adds two vectors together

Parameters:

v - requires a non-zero equal-dimension vector

Returns:

new Vector as a sum of two

subtract

public Vector subtract(Vector v)

subtracts a vector from another

Parameters:

v - vector to subtract

Returns:

new Vector after subtraction

multiplyByScalar

public Vector multiplyByScalar(double c)

multiplies a given vector by a scalar

Parameters:

c - scalar to multuplly by

Returns:

new Vector after multiplication

add

public static Vector add(Vector v,
 Vector c)

subtract

public static Vector subtract(Vector v,
 Vector c)

dotProduct

public static double dotProduct(Vector v,
 Vector c)

dotProduct

public double dotProduct(Vector c)

toString

public String toString()

Overrides:

toString in class Object

clone

public Vector clone()

clones a vector

Overrides:

clone in class Object

Returns:

cloned vector

equals

public boolean equals(Object anotherVector)

Overrides:

equals in class Object