APPENDIX A NUMERICAL METHODS
A.1 SOLVING LINEAR SYSTEMS
The general form of an m × n system of linear equations is
Frequently, linear systems are written in matrix form:
The matrix A is referred to as the coefficient matrix, and the matrix
is known as the augmented matrix.
A.1.1 SPECIAL CASE: SOLVING A TRIANGULAR SYSTEM
In order to introduce a general method for solving square linear systems, let’s look at a special case: that of a triangular ...
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