Exam (elaborations)
Exam (elaborations) TEST BANK FOR Elasticity By J. R. Barber (Solution Manual)-Converted
- Institution
- Chamberlian School Of Nursing
1.1. Show that (i) ∂xi ∂xj = δij and (ii) R = √xixi , where R = |R| is the distance from the origin. Hence find ∂R/∂xj in index notation. Confirm your result by finding ∂R/∂x in x, y, z notation. For an orthogonal co¨ordinate system, ∂x ∂y = 0 (this is what is meant b...
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