nd4j-backends/nd4j-api-parent/nd4j-api/src/main/java/org/nd4j/autodiff/functions/DifferentialFunctionFactory.java
public SDVariable localResponseNormalization(SDVariable inputs, LocalResponseNormalizationConfig lrnConfig) {
        LocalResponseNormalization lrn = LocalResponseNormalization.builder()
                .inputFunctions(new SDVariable[]{inputs})
                .sameDiff(sameDiff())
                .config(lrnConfig)
                .build();

        return lrn.outputVariables()[0];
    }
public SDVariable localResponseNormalization(SDVariable inputs, LocalResponseNormalizationConfig lrnConfig) {
        LocalResponseNormalization lrn = LocalResponseNormalization.builder()
                .inputFunctions(new SDVariable[]{inputs})
                .sameDiff(sameDiff())
                .config(lrnConfig)
                .build();

        return lrn.outputVariables()[0];
    }
public SDVariable localResponseNormalization ( SDVariable inputs , LocalResponseNormalizationConfig lrnConfig ) { LocalResponseNormalization lrn = LocalResponseNormalization . builder ( ) . inputFunctions ( new SDVariable [ ] { inputs } ) . sameDiff ( sameDiff ( ) ) . config ( lrnConfig ) . build ( ) ; return lrn . outputVariables ( ) [ 0 ] ; }
Local response normalization operation.

@param inputs    the inputs to lrn
@param lrnConfig the configuration
@return
Local response normalization operation .