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Applications of Eigenvectors!?

Applications of Eigenvectors!? - Chemistry Forum

Applications of Eigenvectors!? - Chemistry Forum. Discuss chemical reactions, chemistry.


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  #11  
Old 12-24-2003, 02:25 PM
Dirk Van de moortel
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Default Applications of Eigenvectors!?


"Lee Rudolph" <[Only registered users see links. ]> wrote in message news:bsc7in$77b$[Only registered users see links. ]...

eigenvalue -1

Dirk Vdm


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  #12  
Old 12-25-2003, 09:02 AM
PSmith9626
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Default Applications of Eigenvectors!?

Dear steven,
Since math is your hobby--here is a pure MATHEMATICAL application.

Consider the second fundamental form of a surface z=f(x,y) in three space. This
is the matrix of second derivatives of z, when co-ordinates are chosen so that
the
surface is tangent at the origin and the normal vector is perpendicular to the
xy plane.

The product of the eigenvalues is the gaussian curvature of the surface and the
average is the mean curvature.

This theory extends to n-1 dimensional submanifolds of n space.

You can find this in any elementary book on differential geometry such as the
Schaum's outline on Differential geometry or the book by Frank Morgan.
best
penny






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