Why is linear algebra called "linear"?

This is a great question because the word "linear" is confusing and also fundamental—-not just because linear algebra is a well-understood subject to which mathematicians try to reduce other** p…

Top stories for Long   Why is linear algebra called "linear"? Lors Soren • Updated July 3, 2017 This is a great question because the word "linear" is confusing and also fundamental—-not just because linear algebra is a well-understood subject to which mathematicians t... Read more » 483 16   Why do some people believe that Donald Trump was not shot in the ear? Asked in Trump Is A Criminal • Answered by Pendy Trujillo • September 13 My husband was a military man. He was in Viet Nam for a total of 3 years, a Green Beret, he was awarded 3 purple hearts, he did get shot in approximately the same place on ... Read more » 9K 1.8K   What is the strangest engineering failure in history? Sosow Nima, lives in China (1972-present) • Answered August 6 I was very young at the time and had no experience; my father told me about it. In China during the 1970s, most people had received very little education. Many people had som... Read more » 1K 41   What line of code changed the world of programming? Ivan Latták, Software Engineer at Siemens Industry Software (2018-present) • Updated July 14, 2018 This line of code changed the world of low-level computer graphics: i = 0x5f3759df - ( i >> 1 ); // what the fuck? Appearing in the original source code of Qu... Read more » 10.3K 109   How do hotels decide which room to give a guest? Example, I'm on the road, I stop at a Hampton Inn for the night, and ask for the standard king bed, non-smoking, and they have 20 of those open. How do they decide if I stay in room 219, 407, 333 etc? Charlie Rand, worked at U.S. Census Bureau • Answered September 20 Several years ago, I was cooking at a restaurant hotel and I asked the front desk guy this exact question. It was a fairly small hotel with fewer than 100 rooms. He explain... Read more » 2.7K 119   Why is the inflation in the US consistently going down when the tariffs were supposed to cause a devastating increase in the inflation? Gorgeyos • Updated September 25 Why is the inflation in the US consistently going down when the tariffs were supposed to cause a devastating increase in the inflation? Two reasons: Inflation has been fallin... Read more » 999 325   Why did Japan follow the British system of driving on the left side and not the American system of driver on the right side? HotGazpatchoSoup, MSc Science & Education, Monash University, Clayton Campus (1997) • Answered September 3 You understanding of history is not that good. Your American hubris is showing too. When Japan entered the modern world in the nineteenth century, it looked to the world's s... Read more » 3.9K 405   Which addiction is the most difficult to overcome? Bianca N. Diesel, MHCL Nurse VA Cincinnati, SUDEP • Answered June 27, 2013 I am a nurse on a substance abuse unit of a hospital. We have a 21 day program and accept and treat people with all forms of substance abuse. My patients have repeatedly s... Read more » 5K 1K   Can AI-generated essays pass university-level plagiarism checks? Where should we draw the ethical line? James W. Hoover, History Professor at Public Univ. in the U.S. • Answered July 9 This last semester (Spring 25), I began to see essays that were not flagged by Turnitin, but which were, I am almost certain, AI-generated. In some courses, 25% of the essa... Read more » 83 22   Is ibuprofen bad for the kidneys? Brian Belshezza, Friendly Doctor • Answered September 3 A man is hurting. He takes a pill…ibuprofen. It goes through the stomach, into the blood, and to the aching place. The hurting subsides, but the drug does not just stop the... Read more » 1.1K 101   3blue1brown says that wherever pi shows up, there will always be some path leading back to circles. What do you think about this? Is it a useful observation? Keith Ramsay, Ph.D. in mathematics • Updated February 15, 2020 A2A. Let me emphasize a point Alon Amit made in his answer: the definition of [math]\pi[/math] in terms of circles is not the simplest, most natural one. It was just historically first. Bot... Read more » 218 19   Trump is the most popular president among veterans and cares about veterans, so why do liberals lie and say he does not care? Russ Riutta, DD-214 BA in BS Instructor in What Not To Do & Making Serious Mistakes with Las... • Answered March 21 I'm a veteran and I think donald trump is the worst thing to happen to America since 9/11/01. I say he doesn't give a flying fuck about veterans because if he did he wouldn... Read more » 14.1K 2K Read more in your feed

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