P paulo New member Joined Jul 29, 2015 Messages 1 Jul 29, 2015 #1 I have a question: how to calculate the integral \int f(y) dz when we have (dz)^2 = a(y) (dx)^2 + b(y) (dy)^2 where 'f', 'a' and 'b' are some functions of 'y' (and not of 'x' and 'z').
I have a question: how to calculate the integral \int f(y) dz when we have (dz)^2 = a(y) (dx)^2 + b(y) (dy)^2 where 'f', 'a' and 'b' are some functions of 'y' (and not of 'x' and 'z').