Mathematics – Leen Noordzij

31 Aug 202231 Aug 2022Leen NoordzijLeave a Comment

Quantum Mechanics in Pennsylvania-Undergraduate Course Updated 2022-08-31 Chapter 9, Angular Momentum, 2- and 3- Dimensions. Problem 9.7.1 Position representation wave function

6 Apr 20226 Apr 2022Leen NoordzijLeave a Comment

Wiskunde D Online VWO 6 Summary Blok 15-16 Updated 2022-04-06 Blok 16 Les 4 Edited

23 Mar 202223 Mar 2022Leen NoordzijLeave a Comment

Wiskunde D Online VWO 4, Summary Blok 1-7 and solved Problems Mathematics Preparation for College, yOUlearn Updated Blok 7 2022-03-23 Les 2 Series Een klassieke meetkundige reeks: Achilles en de schildpad.

5 Mar 20225 Mar 2022Leen NoordzijLeave a Comment

Wiskunde D Online VWO 5 Summary Blok 8-14 and Solved Problems Mathematics, Preparation for College, yOUlearn Blok 14 Dynamical Processes Toets Logistical growth, Updated 2022-03-05, Edited alle opgaven van de Toets en in addition to the course(toegift): a seperable Differential Equation explained(Note)

22 Feb 202222 Feb 2022Leen NoordzijLeave a Comment

De Fermat’s Last Theorem, Pythagorean Triples and The Descente Infinie revisited In Search for the Margin of Diophantus 2022-02-22 Edited and additions(§5.2), typos

29 Jan 2022Leen NoordzijLeave a Comment

Prime Numbers, Pythagorean Triples and Goldbach’s Conjecture Updated 2022-01-29 Edited, §5.2 Remark on Goldbach’s Conjecture

8 Jan 20228 Jan 2022Leen NoordzijLeave a Comment

Adaptation to Climate via Morphological Change. Optimizing Heat Exchange Updated 2022-01-08 and Edited Toucan

2 Jan 2022Leen NoordzijLeave a Comment

Isoperimetric Inequality and the Isoepifaeic Inequality Updated 2022-01-02 footnote 2, page 31

16 Aug 202116 Aug 2021Leen NoordzijLeave a Comment

Quantum Mechanics and the Theoretical Minimum Updated 2021-08-16 Section 4.8 Ignoring the Phase Factor in Exercise 3.4 and the matrix σn some phase factors could not be ignored.

6 Jul 20216 Jul 2021Leen NoordzijLeave a Comment

Raindrops keep falling on my umbrella. Or how to survive as an umbrella manufacturer. Edited and Updated 2021-07-06.

dr.l.noordzij@leennoordzij.nl