producing 440 hz sine wave

[bhuvanesh]

The x[n] is apssed in recrussive loopp called y[n]=y[N-1]+x[n]
1)i dont know what the term 'M' means.
2)In the image what represents that its is 440hx wave

 

[BobK]

M is the total number of points at which the function is calculated.

Bob

 

[bhuvanesh]

you mean total number of points in one cycle

 

[BobK]

Yes.

Bob