Mathematics – Leen Noordzij

28 Jan 2022Leen NoordzijLeave a Comment

Quantum Mechanics in Pennsylvania-Undergraduate Course Updated 2022-01-28 Chapter 8, Schrödinger Wave Equation, 1-D Quantum Systems Problem 8.15.18 Eigenstates using Coherent States

28 Jan 202228 Jan 2022Leen NoordzijLeave a Comment

Wiskunde D Online VWO 5 Summary Blok 8-14 and Solved Problems Mathematics, Preparation for College, yOUlearn Blok 13 Poisson Distribution, Les 2, 2022-01-28 , Opgave 12 in de summary en Oefenopgave 17

27 Jan 2022Leen NoordzijLeave a Comment

Wiskunde D Online VWO 4 Summary Blok 1-7 and Solved Problems Mathematics, Preparation for College, yOUlearn Updated Blok 5 Les 2 Normal Distribution 2022-01-27, Edited, Lay-out, Typos and Additions

25 Jan 2022Leen Noordzij2 Comments

De Fermat’s Last Theorem and Pythagorean Triples In Search for the Margin of Diophantus 2022-01-25 Edited and § 4 Prime Numbers, Pythagorean Triples and Proof of the nonexistence of Fermat Triples.

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.

9 Aug 20219 Aug 2021Leen NoordzijLeave a Comment

Prime Numbers, Pythagorean Triples and Goldbach’s Conjecture Updated 2021-08-09 Edited, Prologue The Babylonians

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.

4 Jul 20214 Jul 2021Leen NoordzijLeave a Comment

De Fermat and the method of ‘Descente infinie’ Updated 2021-07-04 §§ 3.1 and 4.

dr.l.noordzij@leennoordzij.nl