nd4j-backends/nd4j-api-parent/nd4j-api/src/main/java/org/nd4j/autodiff/functions/DifferentialFunction.java
public boolean hasPlaceHolderInputs() {
        val args = args();
        for(val arg : args)
            if(sameDiff.hasPlaceHolderVariables(arg().getVarName()))
                return true;
        return false;
    }
public boolean hasPlaceHolderInputs() {
        val args = args();
        for(val arg : args)
            if(sameDiff.hasPlaceHolderVariables(arg().getVarName()))
                return true;
        return false;
    }
Returns true if this
function has place holder inputs
@return