diff --git a/College/AU 26/MATH 208 (Matrix Algebra)/Chapter 1.2 Notes.md b/College/AU 26/MATH 208 (Matrix Algebra)/Chapter 1.2 Notes.md index 718e064..261a097 100644 --- a/College/AU 26/MATH 208 (Matrix Algebra)/Chapter 1.2 Notes.md +++ b/College/AU 26/MATH 208 (Matrix Algebra)/Chapter 1.2 Notes.md @@ -16,7 +16,7 @@ - this is converting a matrix to **echelon form** (or row echelon form) - this is when every leading term is a column to the left of the one below it and any zero rows are at the bottom - once the augmented matrix is in echelon form it can be converted back into a linear system of equations (that is not in echelon form) and solved - - the pivot is the coefficient of the leading terms (or the fr) + - the pivot is the coefficient of the leading terms (or the free variables) - Gauss-Jordan elimination - this can make it easier to find the general solution of the system - 1. multiply each nonzero row by the inverse of the pivot so every pivot is 1