math

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General community for all things mathematics on @lemmy.world

Submit link and text posts about anything at all related to mathematics.

Questions about mathematical topics are allowed, but NO HOMEWORK HELP. Communities for general math and homework help should be firmly delineated just as they were on reddit.

founded 1 year ago

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Random internet people explaining math better then math teacher (i.imgur.com)

submitted 1 year ago by troyunrau@lemmy.ca to c/math@lemmy.world

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[–] reflex@kbin.social 4 points 1 year ago (2 children)

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

[–] AlataOrange@lemmy.world 5 points 1 year ago (1 children)

It's honestly not that useful I've only ever seen it in high level statistics

[–] mohKohn@kbin.social 1 points 1 year ago

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

[–] kogasa@programming.dev 1 points 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.