on the surface find a point on this plane where it is the closest to (0,0,0) i know we should find a function f(x,y) which is the distance between the point on the suface oand (0,0,0) how to find this f(x,y) ?
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Originally Posted by transgalactic on the surface find a point on this plane where it is the closest to (0,0,0) i know we should find a function f(x,y) which is the distance between the point on the suface oand (0,0,0) how to find this f(x,y) ? Minimise subject to Lagrange multiplier problem, now show us what you have done or explain where you are having difficulties. CB
Originally Posted by CaptainBlack Minimise subject to Lagrange multiplier problem, now show us what you have done or explain where you are having difficulties. CB ok can i use the d^2 formula and find its minimal points instead of the "d" formula ?
Originally Posted by transgalactic ok can i use the d^2 formula and find its minimal points instead of the "d" formula ? d is a minimum if and only if d^2 is a minimum when d is a distance. CB
Last edited by CaptainBlack; Jun 8th 2011 at 06:30 PM.
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