if(n==0 || n==1) return 1; //base case as for n=0 and n=1, they are both 1 int ans=0; for(int i=0; i<=n-1; i++){ ans+=catalanRec(i) * catalanRec(n-i-1); //this is the ...

Abstract: A novel three-layer sub-harmonic synchronous machine is proposed, equipped with consequent permanent magnets and windings for superior torque generation and better overall performance. The ...