1,804 search results
Introduction to linear equations and matrices
Science, Maths & Technology

Introduction to linear equations and matrices

...types of matrices are introduced. Section 4 introduces the inverse of a matrix and gives you a method for finding an inverse when it does exist. The idea of invertibility of a matrix is linked with the number of solutions of some systems of linear equations. Section 5 uses systems of linear equations to introduce the determinant of a square matrix. This OpenLearn course...
View course Introduction to linear equations and matrices
Level 2: Intermediate 16 hrs
Introduction to number theory
Science, Maths & Technology

Introduction to number theory

...types of ciphers, called affine ciphers, by solving linear congruences...Introduction to number theory: Learning outcomes - After studying this course, you should be able to: find quotients and remainders from integer division apply Euclid’s algorithm and backwards substitution understand the definitions of congruences, residue classes and least residues add and...
View course Introduction to number theory
Level 1: Introductory 18 hrs
Is there such thing as ‘male’ and ‘female’ autism?
Health, Sports & Psychology

Is there such thing as ‘male’ and ‘female’ autism?

...types of autism? This, however, would be a rather reductive and ultimately inaccurate take. While it is true that there can be some general differences in autistic girls’ and autistic boys’ presentation, this doesn’t mean that there is such thing as boys’ autism and girls’ autism. A more useful way of looking at those differences is from the perspective of...
View article Is there such thing as ‘male’ and ‘female’ autism?
Article 5 mins
What is Law?
Society, Politics & Law

What is Law?

...type of remedy is an ‘injunction’; this protects the claimant by compelling the defendant to do, or not to do, something. So, for instance, a court might prohibit a violent ex-husband from going within a specified distance of his ex-wife’s home. Another remedy is an ‘order for specific performance’. This requires the defendant to perform something they’ve...
View video What is Law?
Video 10 mins
What is politics?
Society, Politics & Law

What is politics?

...phrase, originally coined by the social and political theorist Walter Bryce Gallie, was popularised by William E. Connolly in his seminal book The Terms of Political Discourse, first published in 1974 (Connolly, 1993). As you will see, the idea that the definitions of concepts – such as the concept of politics in general, but also more specific political concepts like...
View course What is politics?
Level 2: Intermediate 15 hrs
Introduction to UK immigration law and becoming an immigration adviser
Society, Politics & Law

Introduction to UK immigration law and becoming an immigration adviser

...types of laws that have been created. You will learn what it’s like to represent a client, and the skills required when advising an individual making an application. Throughout the course, there are activities which encourage you to think about what you have learnt and that provide you with an opportunity to try out some key legal skills. They also provide an...
View course Introduction to UK immigration law and becoming an immigration adviser
Level 2: Intermediate 15 hrs
Take your teaching online Badge icon
Education & Development

Take your teaching online

...type questions you usually only get one attempt). If you get the answer right first time you will get more marks than for a correct answer the second or third time. If one of your answers is incorrect you will often receive helpful feedback and suggestions about how to work out the correct answer. For the badge quizzes, if you’re not successful in getting 50% the first...
View course Take your teaching online
Level 2: Intermediate 24 hrs
Decision trees and dealing with uncertainty
Money & Business

Decision trees and dealing with uncertainty

...types of decisions may appear, on the face of it, quite difficult. However, the technique of decision trees that you are going to explore in this section will help to simplify this process. The best way to illustrate the technique is by a worked example in Activity 5. Before doing so, it is important to point out the meaning of two symbols that will be used in the...
View course Decision trees and dealing with uncertainty
Level 3: Advanced 5 hrs