org.la4j.vector.functor

Interface VectorAccumulator

public interface VectorAccumulator

A vector accumulator that accumulates vector's elements.

Method Summary

Methods

Modifier and Type	Method and Description
double	accumulate() Returns the accumulated value and resets this accumulator.
void	update(int i, double value) Updates a value that was accumulated so far with new vector's element.

Method Detail

update

void update(int i,
          double value)

Updates a value that was accumulated so far with new vector's element.

Parameters:

i - the element's index

value - the element's value

accumulate

double accumulate()

Returns the accumulated value and resets this accumulator.

Returns:

the accumulated value