24 Sep 2021Leen NoordzijLeave a Comment on Wiskunde D Online VWO 4 Summary Blok 1-7 and Solved Problems Mathematics, Preparation for College, yOUlearn Updated Blok 6 Les 4 Inner product, 2021-09-24, Edited, Aantal oefenopgaven opgenomen in de tekst Wiskunde D Online VWO 4 Summary Blok 1-7 and Solved Problems Mathematics, Preparation for College, yOUlearn Updated Blok 6 Les 4 Inner product, 2021-09-24, Edited, Aantal oefenopgaven opgenomen in de tekst
23 Sep 2021Leen NoordzijLeave a Comment on The Isoepifaeic Inequality, Adaptation to Climate via Morphological Change. Updated 2021-09-23 and Edited and updated § 3.3 The Sphere and the Cone to be continued The Isoepifaeic Inequality, Adaptation to Climate via Morphological Change. Updated 2021-09-23 and Edited and updated § 3.3 The Sphere and the Cone to be continued
23 Sep 2021Leen NoordzijLeave a Comment on Quantum Mechanics in Pennsylvania Updated 2021-09-23 Chapter 7, Problem 7.5.6 Photons and Polarizers Quantum Mechanics in Pennsylvania Updated 2021-09-23 Chapter 7, Problem 7.5.6 Photons and Polarizers
29 Aug 202129 Aug 2021Leen NoordzijLeave a Comment on Isoperimetric Inequality: a Proof by Fourier Expansion, and a proof with isosceles triangles Updated 2021-08-29. § 4 Edited Isoperimetric Inequality: a Proof by Fourier Expansion, and a proof with isosceles triangles Updated 2021-08-29. § 4 Edited
16 Aug 202116 Aug 2021Leen NoordzijLeave a Comment on 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. 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 on Prime Numbers, Pythagorean Triples and Goldbach’s Conjecture Updated 2021-08-09 Edited, Prologue The Babylonians Prime Numbers, Pythagorean Triples and Goldbach’s Conjecture Updated 2021-08-09 Edited, Prologue The Babylonians
6 Jul 20216 Jul 2021Leen NoordzijLeave a Comment on Raindrops keep falling on my umbrella. Or how to survive as an umbrella manufacturer. Edited and Updated 2021-07-06. 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 on De Fermat and the method of ‘Descente infinie’ Updated 2021-07-04 §§ 3.1 and 4. De Fermat and the method of ‘Descente infinie’ Updated 2021-07-04 §§ 3.1 and 4.
27 Jun 202127 Jun 2021Leen NoordzijLeave a Comment on Quantum Mechanics in Texas, The Graduate Course Updated 2021-06-27 Section 5.4 Intermezzo Baker-Hausdorff Lemma Quantum Mechanics in Texas, The Graduate Course Updated 2021-06-27 Section 5.4 Intermezzo Baker-Hausdorff Lemma
10 Jun 202110 Jun 2021Leen NoordzijLeave a Comment on Archimedes’ Lever, Trisectrice of an angle by Geometrical Iteration Updated 2021-06-10, Edited and § 6.11: direct geometrical iteration of β/3 for 2π/3<β<2π Archimedes’ Lever, Trisectrice of an angle by Geometrical Iteration Updated 2021-06-10, Edited and § 6.11: direct geometrical iteration of β/3 for 2π/3<β<2π
