public List<DifferentialFunction> exec(String functionName, List<DifferentialFunction> cachedOps) {
        return sameDiffFunctionInstances.get(functionName).exec(cachedOps);
    }
public List<DifferentialFunction> exec(String functionName, List<DifferentialFunction> cachedOps) {
        return sameDiffFunctionInstances.get(functionName).exec(cachedOps);
    }
public List < DifferentialFunction > exec ( String functionName , List < DifferentialFunction > cachedOps ) { return sameDiffFunctionInstances . get ( functionName ) . exec ( cachedOps ) ; }
Exec the given function
given the ops

@param functionName the opName of the function to
exec
@param cachedOps    the cached operations
@return
Exec the given function given the ops