Tangent line of curve of intersection
23:00 18-Mar-10
[Replies: 5, Views: 65]
By: AvalonX
1. The problem statement all variables and given/known data Find the parametric equations of the line tangent to the curve of intersection of the paraboloid z = x² + y² and the ellipsoid 4x² + y² + z² = 9 at the point ( -1 1 2 ). 2. Relevant equations
default gradients
02:23 13-Mar-10
[Replies: 3, Views: 72]
By: lmoel
Is is possible to reinstall the default gradients in PSE v. 6? Some of mine have disappeared (more than one user on this PC)
Gradient: Normal vs Direction of Increase
14:47 10-Mar-10
[Replies: 2, Views: 95]
By: thepopasmurf
Hi I'm having trouble understanding what exactly the gradient [library.php?do=view_item&itemid=11] of a scalar field represents
Small Gradient Identity Proof
18:26 8-Feb-10
[Replies: 5, Views: 79]
By: mmmboh
Hi I was asked to prove this identity I found the determinants for both the left and the right side and now I basically have to prove that (d/dy)(f(dg/dz)=(df/dy)(dg/dz) the d's are actual partials though
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