Browsing articles by " Ruzeen"
Oct
2
2010

Operations with Matrices [Mathematics]

Confusing but interesting maths...

Note: This tutorial mainly targets A/L students. In this tutorial I’ll be teaching you the most common operations used with matrices and how-to remember them without much difficulty (matrices can be very complicated, you know!). 6 commonly used matrix operations The Inverse of a Matrix, The Square of a Matrix, Multiplying different Matrices by one another, Multiplying a Matrix by a number (x), Adding Matrices, Subtracting Matrices. – thanks for your comments

Sep
21
2010

Inverse Functions [Mathematics]

Reversing Functions

Note: This tutorial mainly targets O/L & A/L students. If f(x) … the inverse function will be f^-1 (x) Try to understand the theory along with the ‘questions and answers’ – leave a comment if you’re finding it hard to do so, we’ll explain further. This is going to be more than just a tutorial. Let’s make this a quiz. I will do 4 questions (difficulty-random) along with detailed workings. First try it yourself then [...]

Sep
3
2010

Differentiation [Mathematics]

Similar things should be together...

Note: This tutorial mainly targets O/L & A/L students. What does differentiation mean? I’d like to say, the purpose of differentiation is to find the derivative i.e. (dY/dX) For your information: X and Y can be substituted with any other letter! dY/dX is the gradient. And the gradient always tells you how Y changes with respect to X The basic rule for differentiating is, if y=x^n then dy/dx = nx^(n-1) This is going to be [...]

Aug
28
2010

Choose a language whilst browsing : PHP tutorial

Selecting a Language

Ok! This tutorial is strictly targeted towards web developers, who are looking for ways to convey or show his/her web page(s) in more than one language. Here is one smart way of doing it. I’ve made it very easy for you; I’ll give you the source-code and tell you what to do to get it working. Still have a problem? Leave a comment! I’ll help you get through. Steps to follow 1) Create a .php [...]

Jul
11
2010

Running multiple Yahoo messengers simultaneously

Multiple Yahoo! Messengers

First of all, why I prefer Yahoo! Messenger is because I feel it’s simple and easy-to-use (user-friendly). It doesn’t have anything fancy; just the quality coding and simple graphics. If you’ve got my taste or use you Yahoo! Messenger frequently, then this tutorial is for you! Just imagine how wonderful it would be if you can run multiple Yahoo messengers at one time. Yes you can. You may want to sign in to two different [...]

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