Problem
Instructions and
changes
in problems
8.3
8.4
8.6
8.10
The figure would be like Figure P8.7 with the k4
spring missing and the x direction being the
vertical direction instead of horizontal. It is a
statics problem with spring forces on the left side
(matrix) and gravity forces on the right hand side.
9.5
Do parts (a) and (e) with Matlab, and the other
parts by hand. For part (a) look for the solution
near x1=10. For part (e) only solve the problem
with the new data using A\b.
9.6
Do first by hand and then with Matlab.
9.8
Do by hand.

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