Jan 10

Jan 10 - l es t hen set rif last non-zer ovar iables t o...

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Unformatted text preview: l es t hen set rif last non-zer ovar iables t o par amet er s or solve by back subst it ut ion Consist ent emaining fr ee r ow in not k=0 Leading variables of a ref correspond to the leading nonzero entries in each row of the ref Remaining variables are called free variables # of leading variables + #free variables=total #of vars Solving Lin. Sys. Sys REF BOOK: 1.2.1 baisically proves that the free variables are really free for consistent systems. From gauss-Jordan elimination Chapter 3 Many important quanit it ies in engineering are vectors. Quant it ies with magnitude and direct ion. Ex. Relat ive Velocit y: a V b+bV c=aV c ...
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Jan 10 - l es t hen set rif last non-zer ovar iables t o...

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