Archiv der Kategorie English

About Vectorization

Me being the author of a matrix language, you will be surprised that I do no longer favor the matrix approach in education. In case you do not know what I am talking about: A matrix language avoids loops by … Weiterlesen

09. Januar 2017 von mga010
Kategorien: English | Schreibe einen Kommentar

Image Processing and Data Evaluation in EMT

There is an example for Euler Math Toolbox (EMT) where I tried to fit curves to a real chain. I then fitted a parabola and a catenary to the points and explained a bit about the catenary. The points where … Weiterlesen

04. August 2016 von mga010
Kategorien: English, Euler | Schreibe einen Kommentar

The Bayesian and the Frequentist – III

For another story, I read the following problem on a Google+ site yesterday: You have three cards in your pocket, one with two red sides, one with two blue sides and one with a red and a blue side. You … Weiterlesen

24. Juli 2016 von mga010
Kategorien: English, Euler, PISA | Schreibe einen Kommentar

A Problem of Logic

The Problem Recently, I stumbled across a very interesting problem. I closed the site and started to think about the solution. Therefore, I neither have a link nor the solution given on the page. Let us try our luck with … Weiterlesen

12. Juli 2016 von mga010
Kategorien: English, Uncategorized | Schreibe einen Kommentar

Units in Euler Math Toolbox

Units have long been an integral part of EMT. I want to show you a few examples. First, let us talk about the non-metric system the US is still using. Quote: „Nobody understands the metric system! We use teaspoons!“. >1inch … Weiterlesen

08. April 2016 von mga010
Kategorien: English, Euler | Schreibe einen Kommentar

Solving Partition Problems with Linear Programming

Yesterday I promised to show how to solve partition problems with integer linear programming. Let us take the problem of yesterday: We want to split the numbers from 1 to 30 in 10 triplets (x,y,z) such that x+y+z=0 modulo 31. … Weiterlesen

30. März 2016 von mga010
Kategorien: English, Euler | Schreibe einen Kommentar

Modulo Arithmetic with Euler Math Toolbox

Recently, I came across the problem to compute expressions in the modulo arithmetic with integer numbers. Here is an example: We like to compute expressions modulo 31. Since 31 is prime the numbers 0 to 30 with addition and multiplication … Weiterlesen

29. März 2016 von mga010
Kategorien: English, Euler | Schreibe einen Kommentar

Euler Math Toolbox and Matlab

Recently, this site got more traffic than usual. So I thought I welcome all of you in the new year (which is already three weeks old now). And I provide some new content for you to read. For me, the … Weiterlesen

25. Januar 2016 von mga010
Kategorien: English, Euler | 2 Kommentare

Pure Symbolic Functions in Maxima and EMT

I like to demonstrate a few tricks with Maxima and EMT. Assume you want to generate the Vandermonde matrix, and check the identity \(\det \begin{pmatrix} 1 & x_0 & \ldots & x_0^n \\ \vdots & \vdots &  & \vdots \\ … Weiterlesen

12. Dezember 2015 von mga010
Kategorien: English, Euler | Schreibe einen Kommentar

December Problem

I found the following problem on the page of the wonderful Science Blogs. It is in German. Let me translate it. Bernd writes two different numbers between 1 and 1000 on two cards of paper. Anna selects one, and after … Weiterlesen

07. Dezember 2015 von mga010
Kategorien: English, Euler | Schreibe einen Kommentar

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