In this tutorial you learn how to find the inverse of a matrix (when a matrix is multiplied by its inverse, you will get the identity matrix as the answer).
Hi all, before we start web design for mobile, I thought I’d show a quick video on how to view your website through a mobile phone simulator in Google Chrome, so you can see what your website looks like on multiple devices.
In this lesson we introduce you to the definition of identity matrix I, such that when it is multiplied by another matrix A, AI=A and IA=A.
In this lesson we discuss the concept of density (device pixel ratio) in terms of pixels for your display device.
In this lesson we talk about how to multiply 2 matrices together. We go through a real life example of when this could be used and we talk about the situations when 2 matrices can be multiplied (conformable),
In this tutorial we explain the concept of DPI for display devices (monitors, phones etc) and how to calculate it. Note: For display devices, dpi and ppi mean the same thing.
In this lesson we learn how to do scalar multiplication (multiply a matrix by a scalar quantity), and how to solve a simple matrix equation involving scalar multiplication and addition/subtraction.
In this tutorial we explain what the term resolution means.
Today we show you how to add and subtract matrices. Note: You can only add/subtract matrices if they have the same number of rows and columns.
Hi all. In the next series of tutorials we are going to start talking about mobile website design and the first concept you need to be familiar with is a pixel. If you already know what a pixel is, feel free to skip this tutorial.