org.la4j.vector.functor

Interface VectorAccumulator

public interface VectorAccumulator

A vector accumulator that accumulates vector's elements.

Method Summary

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