Essays/Isometric Surfaces/Isometric Surfaces01
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Isometric Surfaces
1 Reference
'Tensor Analysis' by I. S. Sokolnikoff (Second Edition, 1964).
2 Software
NB. ... execute (ijx) ... 9!:14 '' j602/2008-03-03/16:45
3 First Fundamental Quadratic Form (ISS Section 53)
4 Isometric Surfaces (ISS Section 61)
4.1 S1
load 'plot' load 'numeric' u1=:steps 0 6 30 u2=:steps 0 2p1 30 p=:1 y1=:u1(%:@(*:@[+p*p"_)*/2&o.@])u2 y2=:u1(%:@(*:@[+p*p"_)*/1&o.@])u2 y3=:u1((p*_6&o.@(p%~%:@(*:@[+p*p"_)))*/$@]$1:)u2 pd 'type surface' pd y1;y2;y3 pd 'pdf' pd 'show'
4.2 S2
load 'plot' load 'numeric' u1=:steps 0 6 30 u2=:steps 0 2p1 30 p=:1 y1=:u1([*/2&o.@])u2 y2=:u1([*/1&o.@])u2 y3=:u1(($@[$1:)*/p*])u2 pd 'type surface' pd y1;y2;y3 pd 'pdf' pd 'show'
5 Comments (ISS Section 61)
Download: File:LIS0100C.txt
Download: File:LIS0101C.txt
Download: File:LIS0102C.txt
Download: File:LIS0103C.txt
Download: File:LIS0104C.txt
Download: File:LIS0105C.txt
Download: File:LIS0106C.txt
Download: File:LIS0107C.txt
Download MoinMoin source: File:IsometricSurfaces01.ijs
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Contributed by Tom Allen