org.nd4j.linalg.indexing

Class NDArrayIndex

java.lang.Object

org.nd4j.linalg.indexing.NDArrayIndex

public class NDArrayIndex
extends java.lang.Object

NDArray indexing

Constructor Summary

Constructors

Constructor and Description
NDArrayIndex(int... indices)

Method Summary

Modifier and Type	Method and Description
static NDArrayIndex	concat(NDArrayIndex... indexes) Concatneate all of the given indices in to one
static NDArrayIndex[]	create(INDArray index) Create from a matrix.
int	end()
boolean	equals(java.lang.Object o)
int	hashCode()
int[]	indices()
static NDArrayIndex	interval(int begin, int end) Generates an interval from begin (inclusive) to end (exclusive)
static NDArrayIndex	interval(int begin, int end, boolean inclusive) Generates an interval from begin (inclusive) to end (exclusive)
boolean	isInterval()
int	length() Returns the length of the indices
int	offset()
void	reverse()
void	setInterval(boolean isInterval)
java.lang.String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

NDArrayIndex

public NDArrayIndex(int... indices)

Method Detail

end

public int end()

offset

public int offset()

length

public int length()

Returns the length of the indices

Returns:

the length of the range

indices

public int[] indices()

reverse

public void reverse()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

create

public static NDArrayIndex[] create(INDArray index)

Create from a matrix. The rows are the indices The columns are the individual element in each ndarrayindex

Parameters:

index - the matrix to getFloat indices from

Returns:

the indices to getFloat

isInterval

public boolean isInterval()

setInterval

public void setInterval(boolean isInterval)

concat

public static NDArrayIndex concat(NDArrayIndex... indexes)

Concatneate all of the given indices in to one

Parameters:

indexes - the indexes to concatneate

Returns:

the merged indices

interval

public static NDArrayIndex interval(int begin,
                                    int end)

Generates an interval from begin (inclusive) to end (exclusive)

Parameters:

begin - the begin

end - the end index

Returns:

the interval

interval

public static NDArrayIndex interval(int begin,
                                    int end,
                                    boolean inclusive)

Generates an interval from begin (inclusive) to end (exclusive)

Parameters:

begin - the begin

end - the end index

inclusive - whether the end should be inclusive or not

Returns:

the interval