# Octave/Sage Demos

### Working with vectors

### Working with matrices

### Image Matrix

### Fruits

### Elementary Row Operations

### Inverting a 2x2 Matrix

### Golden Matrix

### Factoring a 2x2 Matrix into Linear Transformations

### Factoring a 2x2 Matrix using Scales and Shears

### QR Factorization of a 2x2 Matrix

### LU Factorization of a 2x2 Matrix

### Projection Matrix

### Flatten Operator