Lex Fridman Podcast - Gilbert Strang: Linear Algebra, Deep Learning, Teaching, and MIT OpenCourseWare

Gilbert Strang is a professor of mathematics at MIT and perhaps one of the most famous and impactful teachers of math in the world. His MIT OpenCourseWare lectures on linear algebra have been viewed millions of times.

This conversation is part of the Artificial Intelligence podcast. If you would like to get more information about this podcast go to https://lexfridman.com/ai or connect with @lexfridman on Twitter, LinkedIn, Facebook, Medium, or YouTube where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on Apple Podcasts or support it on Patreon.

This episode is presented by Cash App. Download it, use code LexPodcast. 

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Here’s the outline of the episode. On some podcast players you should be able to click the timestamp to jump to that time.

00:00 – Introduction
03:45 – Math rockstar
05:10 – MIT OpenCourseWare
07:29 – Four Fundamental Subspaces of Linear Algebra
13:11 – Linear Algebra vs Calculus
15:03 – Singular value decomposition
19:47 – Why people like math
23:38 – Teaching by example
25:04 – Andrew Yang
26:46 – Society for Industrial and Applied Mathematics
29:21 – Deep learning
37:28 – Theory vs application
38:54 – Open problems in mathematics
39:00 – Linear algebra as a subfield of mathematics
41:52 – Favorite matrix
46:19 – Advice for students on their journey through math
47:37 – Looking back

You're Wrong About - Human Trafficking

Mike tells Sarah how NGOs, activists and George W. Bush resurrected the 'stranger danger' panic for the modern era. Digressions include Reply All, muffins and Yelp for massage parlors. Mike's vocal fry is even worse than usual.

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The Best One Yet - Amazon knocks off Allbirds — Target’s shipping nirvana — PayPal buys $4B of Honey

Allbirds’ CEO noticed that Amazon’s been knocking off its go-to shoes — Amazon calls them “equivalents,” we call them “knock-offs”. Target is enjoying shipping nirvana and shares are up 91% this year because it’s pulled off same-day shipping magic. And PayPal splurged $4B for deal-snagging pioneer Honey, but Wall Street ironically thinks it overpaid. Learn more about your ad choices. Visit podcastchoices.com/adchoices See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

The Intelligence from The Economist - Protest vote: Hong Kongers send a message to Beijing

After almost six months of protests and street battles, Hong Kongers have had a chance to vote in local elections. They sent a clear message of support to those agitating for greater democracy. We look at how the impeachment hearings in Washington are undermining the fight against corruption in Eastern Europe. And deep below Jerusalem, a high-tech cemetery is under construction. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

Start the Week - Love and unreason

Classicist Bettany Hughes has traced the history of the goddess known as Venus or Aphrodite. Originally depicted with a phallus on her head, Venus was later drawn and sculpted as a beautiful naked woman. Hughes tells Andrew Marr why this powerful deity of love was thought to corrupt and to inspire.

Tenor Mark Padmore depicts the irrationality of desire in Benjamin Britten's Death in Venice. He plays the lead role in the Royal Opera House's new production, based on Thomas Mann's novella, in which a burnt-out writer succumbs to obsessive love. Britten wrote the main part for his partner, Peter Pears, with whom he lived through decades of homophobia.

Unconscious desires and strange fantasies play out in the work of Dora Maar, one of the great Surrealist artists. Emma Lewis has curated an exhibition of Maar's photography and paintings, revealing an artist whose striking imagery rivalled that of her more famous lover, Picasso.

Historian of philosophy Clare Carlisle discusses the Dutch philosopher Baruch Spinoza, one of the first thinkers to interrogate our emotional life. George Eliot translated his 17th-century masterpiece, the Ethics, into English. Eliot also 'translated' his ideas into literary form. Her novel Middlemarch draws on Spinoza's ideas about human flourishing and love, shown through different happy and unhappy marriages.

Producer: Hannah Sander

What Next | Daily News and Analysis - The Anxiety of Being Muslim in India

In India, Muslims are watching the secular democratic principles of their country crumble. What is it like when your country rejects your family and shakes your faith in multiculturalism? 


Guest: Rana Ayyub, a contributor to the Washington Post Opinion section and author of Gujarat Files: Anatomy of a Cover Up


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Short Wave - Uganda’s Solution For Treating Extreme Pain

Uganda has come up with a low-tech solution to treat patients in a lot of pain: drinkable liquid morphine. Nurith Aizenman tell us how this model works and how other African countries are taking inspiration. Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at shortwave@npr.org.

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New Books in Native American Studies - Brianna Theobald, “Reproduction on the Reservation: Pregnancy, Childbirth, and Colonialism in the Long Twentieth Century” (UNC Press, 2019)

In Reproduction on the Reservation: Pregnancy, Childbirth, and Colonialism in the Long Twentieth Century (University of North Carolina Press, 2019), historian Brianna Theobald delivers a long-overdue, comprehensive history of Native women’s reproductive health, rights, and practices. Alternating her focus between the Crow Reservation in Montana and the experiences of Native women across the United States, Theobald shows how Native women navigated and resisted colonial attempts to restrict their bodily autonomy. By extension, argues Theobald, Native women constituted a particularly resilient vanguard of cultural resistance and persistence in the face of an increasingly aggressive, ever-expanding settler colonial system.

Reproduction on the Reservation draws on a diverse range of ethnographic sources, health records and correspondence from the Office of Indian Affairs, Bureau of Indian Affairs, and Indian Health Service, oral and tribal histories, and secondary literature. With nuanced analysis and clear prose, Theobald weaves together these sources to highlight the intersections of reproduction, women’s health, and colonialism, and how these historical forces converge upon Native women’s lives throughout the twentieth century. In doing so, Theobald shows how this history continues through the present day, as Native women continue to fight for their reproductive sovereignty, in turn embodying the resilience of their communities, cultures, and histories.

Annabel LaBrecque is a PhD student in the department of history at UC Berkeley. You can find her on Twitter @labrcq.

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What A Day - China’s Detainment Camps and Bloomberg’s First Week

  • New leaked documents detail how far the Chinese government has gone to detain ethnic minorities and muslims. We discuss what the documents reveal. More on that, here: https://apnews.com/4ab0b341a4ec4e648423f2ec47ea5c47
  • Michael Bloomberg is gearing up to spend the combined net worth of every person you will ever meet on his presidential campaign. We discuss how he plans to win.
  • And in headlines: Iran gets back online, Nunes is in the hot seat, and Frozen 2 snows money at the box office.