Jcg.geometry

Interface Vector_

All Known Implementing Classes:

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 and 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(java.lang.Number s) Return a new vector obtained by scalar division
boolean	equals(Vector_ v) Check equality between two vectors
java.lang.Number	getCartesian(int i) return the i-th cartesian coordinate of the point
java.lang.Number	innerProduct(Vector_ v) Return the inner product of two vectors
Vector_	multiplyByScalar(java.lang.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, java.lang.Number x) set the i-th cartesian coordinate
java.lang.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
java.lang.String	toString() Return a String representing vector coordinates

Method Detail

getCartesian

java.lang.Number getCartesian(int i)

return the i-th cartesian coordinate of the point

setCartesian

void setCartesian(int i,
                  java.lang.Number x)

set the i-th cartesian coordinate

equals

boolean equals(Vector_ v)

Check equality between two vectors

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

java.lang.Number innerProduct(Vector_ v)

Return the inner product of two vectors

divisionByScalar

Vector_ divisionByScalar(java.lang.Number s)

Return a new vector obtained by scalar division

multiplyByScalar

Vector_ multiplyByScalar(java.lang.Number s)

Return a new vector obtained by multiplying by a scalar

squaredLength

java.lang.Number squaredLength()

Return the square length of a vector

dimension

int dimension()

Return the dimension of the space

toString

java.lang.String toString()

Return a String representing vector coordinates

Overrides:

toString in class java.lang.Object