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--- lecture_5_slides [2017/02/03 16:15] – [Example] rupert
+++ lecture_5_slides [2017/02/07 10:15] (current) – rupert
@@ Line 1: / Line 1: @@
 ~~REVEAL~~
+===== The story so far... =====
+  * Systems of linear equations
+  * The augmented matrix
+  * Elementary Row Operations (EROs)
+  * Row Echelon Form (REF)
+  * Reduced Row Echelon Form (RREF)
+===== Today =====
+  - How to solve a system in REF or RREF
+  - How to find REF or RREF for a system
 ===== Solving a system in REF or RREF =====
@@ Line 60: / Line 73: @@
 Use Gaussian elimination to solve the linear system
-\begin{align*} 2x+y+3x+4w&=27\\ x+2y+3z+2w&=30\\x+y+3z+w&=25\end{align*}
+\begin{align*} 2x+y+3z+4w&=27\\ x+2y+3z+2w&=30\\x+y+3z+w&=25\end{align*}
 ==== ====