### CDF demonstrations

Below are links to Mathematica-produced CDF demonstrations, as used in the DMTH137 lectures. To get the best from these interactive modules, you will need to download the free CDF player from the Wolfram Inc. website.

If you have the Wolfram Player installed but the plug-in does not work,
then download the CDF files for viewing locally, using the (CDF) links below.

## DMTH137 Session 2, 2016 & 2017

#### Lectures in Week 4

#### Lectures in Weeks 8–9

##### Induction examples

- Induction example: sums of odd numbers (CDF)
- Induction example: sums of successive integers (CDF)

##### Vectors in 2D

#### Lectures in Week 9

- Matrix Multiplication (CDF)
- Linear Transformations in ℝ
^{2}- Reflect in
*x*-axis (CDF) - Reflect in
*y*-axis (CDF) - Reflect through the origin/Rotate about the origin (CDF)
- Reflect in line: swap
*x*and*y*coordinates (CDF) - Dilation/Contraction (CDF)
- Expansion/Compression in
*x*-direction (CDF) - Expansion/Compression in
*y*-direction (CDF) - Shear in
*x*-direction (CDF) - Shear in
*y*-direction (CDF) - Rotation (CDF)
- Shearing of letter ‘M’ (CDF)
- Use of Homogeneous Coordinates (CDF)
- Translation & Shearing using Homogeneous Coordinates (CDF)
- Multiple Transformations using Homogeneous Coordinates (CDF)

- Reflect in