Interface Vector_

All Known Implementing Classes:

GridVector_2, Vector_2, Vector_3

public interface Vector_

An interface defining primivites and operations on vectors in euclidean space

Author:

Luca Castelli Aleardi (Ecole Polytechnique, 2010)

Method Summary

Modifier and Type	Method	Description
Vector_	difference(Vector_ v)	Return the vector difference (v-u), where u is the current vector
int	dimension()	Return the dimension of the space
Vector_	divisionByScalar(Number s)	Return a new vector obtained by scalar division
Number	getCartesian(int i)	return the i-th cartesian coordinate of the point
Number	innerProduct(Vector_ v)	Return the inner product of two vectors
Vector_	multiplyByScalar(Number s)	Return a new vector obtained by multiplying by a scalar
Vector_	opposite()	Return the opposite of the current vector
void	setCartesian(int i, Number x)	set the i-th cartesian coordinate
Number	squaredLength()	Return the square length of a vector
Vector_	sum(Vector_ v)	Return the vector sum (v+u), where u is the current vector
String	toString()	Return a String representing vector coordinates

Method Details

getCartesian

Number getCartesian(int i)

return the i-th cartesian coordinate of the point

setCartesian

void setCartesian(int i,
 Number x)

set the i-th cartesian coordinate

sum

Vector_ sum(Vector_ v)

Return the vector sum (v+u), where u is the current vector

difference

Vector_ difference(Vector_ v)

Return the vector difference (v-u), where u is the current vector

opposite

Vector_ opposite()

Return the opposite of the current vector

innerProduct

Number innerProduct(Vector_ v)

Return the inner product of two vectors

divisionByScalar

Vector_ divisionByScalar(Number s)

Return a new vector obtained by scalar division

multiplyByScalar

Vector_ multiplyByScalar(Number s)

Return a new vector obtained by multiplying by a scalar

squaredLength

Number squaredLength()

Return the square length of a vector

dimension

int dimension()

Return the dimension of the space

toString

String toString()

Return a String representing vector coordinates

Overrides:

toString in class Object