• reflex@kbin.social
    link
    fedilink
    arrow-up
    5
    arrow-down
    1
    ·
    1 year ago

    Did my undergrad in math and never learned what that capital pi-looking thing was. Sigmas all the tyme doe.

      • mohKohn@kbin.social
        link
        fedilink
        arrow-up
        1
        ·
        1 year ago

        They come up in complex analysis bc writing polynomials in terms of their roots is sometimes useful.

    • Kogasa@programming.dev
      link
      fedilink
      arrow-up
      1
      ·
      1 year ago

      Convergence issues aside, you can get from a product to a sum by taking logarithms. This is often a feasible way to reason about them / prove results about them.