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2nd order Tensor Divergence Mistake in Programmerbs Guide

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Old   November 25, 2005, 09:32
Default page P-28 equation (2.5) sho
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page P-28
equation (2.5)
should it be : dTij/dxj ?
dT11/dx1 + dT12/dx2 + dT13/dx3
dT21/dx1 + dT22/dx2 + dT23/dx3
dT31/dx1 + dT32/dx2 + dT33/dx3
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Old   November 28, 2005, 11:24
Default confused now: 1. http://astr
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confused now:
1.
http://astron.berkeley.edu/~jrg/ay202/node185.html
same as above

2.
http://tam.cornell.edu/TAM610notes2.pdf
says
div(T) = dTij/dxi ?

Could anybody so kind to give an answer for sure?
Should I believe our Programmer's Guide? -- please forgive me for asking this question.
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Old   December 2, 2005, 05:17
Default i think div(T)should it be dTi
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i think div(T)should it be dTij/dxj, which is a vecotr.
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Old   December 2, 2005, 05:53
Default div(T) = dTij/dxi = dTji/dxj
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div(T) = dTij/dxi = dTji/dxj
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