David Radcliffe

@daveinstpaul

Ph.D. mathematician and web developer, interested in machine learning and quantum computing. Founder of the MN Quantum Computing Meetup. he/him

St. Paul, MN
Vrijeme pridruživanja: rujan 2009.

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  1. proslijedio/la je Tweet
    3. velj

    We have impeachment for a reason: For a man who would sell out his country for a political favor, Who would threaten the integrity of our elections, Who would invite foreign interference in our affairs, Who would undermine our national security, For a man like Donald Trump.

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  2. prije 14 sati

    Iowa has 1,681 precincts. Show that 1,681 can be expressed as the sum of two squares in two different ways.

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  3. 4. velj

    Google Slides will generate captions during a presentation using text-to-speech. Sounds like a cool feature!

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  4. 3. velj

    How long to the point of know return?

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  5. 3. velj

    These percentages are suspicious. Does anyone else suspect that only 9 Bloomberg supporters were surveyed, and maybe 7 or 14 Buttigieg supporters? How did they compute the margin of error?

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  6. 3. velj

    Any tips on learning to use WebWork? I successfully installed a WebWork server on my Linode, and I am looking to author an interactive textbook.

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  7. proslijedio/la je Tweet
    30. sij

    Thank you to everyone who shared your rich memories & images of warmth, & helped inspire the poem for the solidarity scarf. Now, if you can, let's send some actual warmth to who are struggling  

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  8. 2. velj

    A beautiful "windmill" proof of Fermat's two-square theorem that every prime of the form 4k+1 is the sum of two squares.

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  9. proslijedio/la je Tweet
    2. velj

    I learned about this projection of a 5 dimensional cube into 2d from a tweet in a conversation with . Made it tonight from and will be using it for a Family Math project tomorrow.

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  10. proslijedio/la je Tweet
    1. velj

    The harmonic series diverges. Leibniz expressed this as:

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  11. 1. velj

    Write-in votes for length and distance from zero.

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  12. proslijedio/la je Tweet
    31. sij
    Merry and Pippin: "We've had First Impeachment, yes. What about Second Impeachment?"
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  13. 1. velj

    If z = x + iy is a complex number, then |z| is called the _______ of z. (Choose the term you prefer, or reply with another choice.)

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  14. 1. velj

    What is modular arithmetic good for?

    Trivia: What day of the week did February 1 1920 land on?
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  15. 31. sij

    Did shut down? :(

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  16. proslijedio/la je Tweet
    31. sij

    it’s very clear what the game is here step 1: openly rig elections step 2: shield the offender from political or legal accountability step 3: “win” the rigged election step 4: “We have a mandate from the American people."

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  17. 31. sij

    Buying fake currency to own the libs.

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  18. proslijedio/la je Tweet
    31. sij

    US colleges aren't that diverse, but they are MUCH more so than the country's segregated elementary/middle/high schools. the reason we see so many controversies over "speech" + "safe spaces" on college campuses is precisely bc ppl are trying to figure out how to do pluralism

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  19. proslijedio/la je Tweet
    30. sij

    Hey does anyone have a nice way of solving this using an equation? Would love some input.

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  20. proslijedio/la je Tweet

    Republican leaders in Congress believe—and privately say—that they fear the country is quickly changing in ways that may soon deprive them of power, and that they must use the power they have now to delay it as long as possible, even by harming the Republic if necessary.

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