### Systems of linear equations

**CLASS XVIII -XXI **

Reading: *Cheney & Kincaid, *(pp. 69-96 )
**CLASS XX **

Systems of linear equations. Naive Gaussian Elimination.
Condition number. (Discussion on matrix condition: C & K 97-98, 405-408. )
**CLASS XXI **

Systems of linear equations. Gaussian Elimination with
partial pivoting.
In-class exercise: estimate of what is feasible on your laptop.
**CLASS XXII **

Systems of linear equations. LU-decomposition. Special
matrices. Reading: *Cheney & Kincaid, *(pp. 103-106, 358 -361, 365-366);