HOME > > Let x=rcosα and y=rsinα. What is ∂2z/∂r2 in terms of x and y and second order partial derivatives of f only
Let x=rcosα and y=rsinα. What is ∂2z/∂r2 in terms of x and y and second order partial derivatives of f only
[From: ][author: ][Date: 11-12-05][Hit: ]
......
Thanks~
-
1) What is 'z' here? And from where it has come?
2) If we were to square and add the given relations, we get x² + y² = r²
1
keywords: and,of,Let,alpha,in,is,second,part,terms,only,order,rsin,partial,rcos,derivatives,What,Let x=rcosα and y=rsinα. What is ∂2z/∂r2 in terms of x and y and second order partial derivatives of f only
