public int [ ] sampleBatchWithoutReplacement ( ) { int [ ] batch = new int [ batchSize ] ; for ( int i = 0 ; i < batch . length ; i ++ ) { if ( cur == indices . length ) { cur = 0 ; } if ( cur == 0 ) { IntArrays . shuffle ( indices ) ; } batch [ i ] = indices [ cur ++ ] ; } return batch ; }
Samples a batch of indices in the range [ 0 numExamples ) without replacement .