User:Guy vandegrift/2021

| Custodian | Journals: 2021
 * 2022 | 2023
 * Category:Essays

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Under construction
w:special:permalink/992015601
 * Partial permutation and w:User:Guy vandegrift/sandbox/02
 * Template:Draftspace and Template:Draftspace/Target✅
 * Draft:Information theory/Shannon entropy
 * Draft:Information theory/Permutations and combinations


 * String vibration
 * */Young's Modulus belongs in Introduction to Elasticity


 * Rotation matrix
 * 1) https://www.ecourses.ou.edu/cgi-bin/ebook.cgi?topic=me&chap_sec=01.4&page=theory
 * 2) Wikibooks: Wave overtones reading quiz UNDER CONSTRUCTION

2021
See also https://www.myopenmath.com/course/course.php?folder=0&cid=75866
 * 27 July 2021:Orthogonal matrix ✅
 * 8 Sep 2021: Weighted average
 * 12 Mar 2021: Category:MyOpenMath/Electromagnetism
 * 14 Mar 2021: MyOpenMath/Complex phasors✅
 * 18 Mar2021: Phasor algebra ... Sister link at Phasor✅
 * 18 Mar2021: Divergence theorem, Divergence theorem/Proof Sister link at Divergence theorem✅
 * 20 Mar2021: MyOpenMath/Electromagnetic momentum ...
 * 8 Sep 2021:
 * 21 Mar2021: Poynting's theorem ... Sister link to Poynting's theorem & Poynting vector✅
 * 12 Oct 2021: Multinomial_theorem placed image✅
 * 20 Oct 2021: Stars and bars (combinatorics) placed image and and image? Check status in 2022 and insert second image to that list.
 * 1 Nov 2021: Pascal's rule placed image✅
 * 17 Nov 2021: Math Adventures/Pascal's triangle in wiki-latex Added sister-link on c:Category:Pascal's triangle. ✅
 * 18 Nov 2021: Repaired File:Binomial parents.svg and rewrote section: Binomial coerfficients#NE lattice paths and Catalan numbers )
 * 18 Nov 2021: Improved lede to Pascal's Triangle ✅
 * 28 Nov 2021: Created Category:Quizbank/Unfinished
 * 30 Nov 2021: Wrote Speak Math Now!/Week 9: Six rules of Exponents/Logarithms with sister-link on Logarithms. ✅
 * 17 Dec 2021: Added Diffraction spike to the Starburst disambiguation_page.
 * 19 Dec 2021: proofwiki:Change of Base of LogarithmProof 2
 * 25 Dec 2021: Probability/Combinatorics ✅

2021 Pageviews

 * proofwiki:Change of Base of LogarithmProof 2

===|MyOpenMath/Physics_images|MyOpenMath/Complex_phasors|MyOpenMath|MyOpenMath/Solutions/Quizbank_EM|Linear_algebra/Orthogonal_matrix|Phasor_algebra|Divergence_theorem|Divergence_theorem/Proof|Poynting%27s_theorem 2021 Pageviews.1=== 10 pages with a total of ~15 visits/day MyOpenMath MyOpenMath/Pulling loose threads MyOpenMath/Physics images MyOpenMath/Solutions/Quizbank_EM Phasor algebra Linear algebra/Orthogonal_matrix Divergence theorem Divergence theorem/Proof Poynting's theorem MyOpenMath/Complex phasors

===|Math_Adventures/Pascal%27s_triangle_in_wiki-latex|Category:Quizbank/Unfinished|MyOpenMath/Electromagnetic_momentum|Speak_Math_Now!/Week_9:_Six_rules_of_Exponents/Logarithms|COVID-19/Guy_vandegrift|Combinatorics|Combinatorics/Rule_of_product 2021 Pageviews.2=== MyOpenMath/Solutions/Electric Flux Math_Adventures/Pascal's_triangle_in_wiki-latex Category:Quizbank/Unfinished MyOpenMath/Electromagnetic momentum Speak_Math_Now!/Week_9:_Six_rules_of_Exponents/Logarithms COVID-19/Guy_vandegrift Combinatorics Combinatorics/Rule of product