https://kokulife.dreamwidth.org/ koku's life journal - Dreamwidth Studios Wed, 19 Nov 2025 16:10:01 GMT LiveJournal / Dreamwidth Studios kokulife personal https://v2.dreamwidth.org/18093858/4245574 https://kokulife.dreamwidth.org/ 100 100 https://kokulife.dreamwidth.org/7919.html Wed, 19 Nov 2025 16:10:01 GMT https://kokulife.dreamwidth.org/7919.html <p>NTVY014 (Physical education I) [swimming] - practised more of backstroke and breaststroke (i can finally sync up the breathing right!!) started on front crawl, it is difficult..</p><br /><p>NMAI057 (Linear algebra 1) [lecture] - mostly stuff i did not comprehend, focusing on subspaces and linear span, will have to look into it more when i have time, also linear independence which i somewhat understand!</p><br /><p>NMAI057 (Linear algebra 1) [tutorial] - didn't do well on last week's quiz, but i think i demolished today's, after we found an inverse of a matrix within a skew field and some other things with skew fields, little bit on vector spaces</p><br /><hr><br />koku daily message:<br />rest up when you can<br /><br /><img src="https://www.dreamwidth.org/tools/commentcount?user=kokulife&ditemid=7919" width="30" height="12" alt="comment count unavailable" style="vertical-align: middle;"/> comments https://kokulife.dreamwidth.org/7919.html vector space linear independence backstroke subspace front crawl breaststroke skew field linear span nmai057 ntvy014 public 0 https://kokulife.dreamwidth.org/5698.html Mon, 10 Nov 2025 13:56:08 GMT https://kokulife.dreamwidth.org/5698.html <p>NTVY014 (Physical education I) [swimming] - swimming with flippers! just backstroke though, it was a little fun although the top of my left foot hurt a bit after</p><br /><p>NMAI057 (Linear algebra 1) [lecture] - finished skew fields with fields based on modular arithmetic and started vector spaces, including funky things like a vector space of systems of sets with the function of symmetrical difference</p><br /><p>NMAI057 (Linear algebra 1) [tutorial] - continued on with permutations, one person decided to go do a problem on the board in front of the class and he was so bad at it it made the teacher rather mad.. it made me feel really bad but on the good side i comprehended all of what we went over!</p><br /><hr><br />koku daily message:<br />can't rain all the time<br /><br /><img src="https://www.dreamwidth.org/tools/commentcount?user=kokulife&ditemid=5698" width="30" height="12" alt="comment count unavailable" style="vertical-align: middle;"/> comments https://kokulife.dreamwidth.org/5698.html backstroke flippers swimming vector space skew field permutations symmetrical difference ntvy014 public 0 https://kokulife.dreamwidth.org/3412.html Thu, 23 Oct 2025 13:36:10 GMT https://kokulife.dreamwidth.org/3412.html <p>NTVY014 (Physical education I) [swimming] - we finally did proper backstroke, arms and legs and everything! and also breaststroke legs but on stomach, still no breaststroke arms though</p><br /><p>NMAI057 (Linear algebra 1) [lecture] - attributes of inverse matrices, attributes of regular matrices, and matrix equations, after we started with groups and its axioms: association, neutral term and inverses.. also abelian groups</p><br /><p>NMAI057 (Linear algebra 1) [tutorial] - quiz, i thought my solution was good but i must have made a small computational error because when plugging in my answer on the first row it was off by two and i didn't find the error, after the quiz we did proofs of matrix arithmetic statements, then matrix multiplication.. one is clearly easier, but either can appear on next week's quiz</p><br /><hr><br />koku daily message:<br />koku's nest<br /><br /><img src="https://www.dreamwidth.org/tools/commentcount?user=kokulife&ditemid=3412" width="30" height="12" alt="comment count unavailable" style="vertical-align: middle;"/> comments https://kokulife.dreamwidth.org/3412.html breaststroke abelian groups backstroke swimming matrix multiplication groups ntvy014 inverse matrix nmai057 public 0 https://kokulife.dreamwidth.org/2118.html Thu, 16 Oct 2025 18:00:00 GMT https://kokulife.dreamwidth.org/2118.html making this post a day late, as i was very tired yesterday<br /><p>NTVY014 (Physical education I) [swimming] - we did backstroke, legs only, and breaststroke, legs only.. very simple, but rather tiring</p><br /><p>NMAI057 (Linear algebra 1) [lecture] - reduced echelon form of a matrix and that for every matrix it is unique, matrix products and rules for them (they associate but don't commute), proofs of the rules, definition of the inverse of a square matrix</p><br /><p>NMAI057 (Linear algebra 1) [tutorial] - started with a quiz again, but i absolutely demolished it, as in i made two mistakes but was able to find them in time, after quiz we found every solution of a system of linear equations using parameters a few times, it's kinda good i think</p><br /><br><br />koku daily message:<br />ausfahrt<br /><br /><img src="https://www.dreamwidth.org/tools/commentcount?user=kokulife&ditemid=2118" width="30" height="12" alt="comment count unavailable" style="vertical-align: middle;"/> comments https://kokulife.dreamwidth.org/2118.html backstroke swimming reduced echelon form matrix multiplication breaststroke nmai057 inverse matrix system of linear equations ntvy014 public 0