Fun With Math (Summation and Induction) Part 1 of 2

[altazorX]

Very clear. Thanks a lot.

[godshiva]

@altazorX You're welcome

[my2livers]

Very nice. I'm an old (former) mathematician, and I enjoyed this (even tho' I already knew how to solve it!). Reminds me how much I used to love doing proofs..... I think I'll go do some ordinary differential equations. yippee!!

[mrebyers]

I'm not watching 10 minutes of math! But have a comment on the house.

[robertkingNZ]

nice vid. audio a bit fuzzy tho?

[godshiva]

Glad you liked. For the kind of budget I'm on, that is "Good quality" LOL ;) I use a hand held recorder device - I probably need to consider getting an external mic.  Thanks for the feedback

[robertkingNZ]

its fuzzy at the start. your other videos aren't that fuzzy. Also I like the n*(n+1) block. I figured that out when trying to find the number of operations required to get a matrix into row ech form. I also used a pyramid for the n^2 case. then for the n^3 case i stacked the pyramids inside themselves, and used recursion on the density.

[Mishkafofer]

@robertkingNZ I believe its fuzzy because he scanned papers and saved in JPG format, so this fuzziness is JPEG artifacts due to high compression.

Other idea: Its video codec fault, he tried to make a very small video file and that comes at a cost.

[godshiva]

@Mishkafofer They were all digital images but I had to put them in JPG to get them in to the video program.

[Mishkafofer]

@godshiva I want to suggest other format. The right format for you is PNG. It doesn't compress cruelly like JPEG and the files will be extremely small because it black and white (JPEG files are relatively big and it's don't matter what type of graphic you got inside). Cheers for the great work.

[GodofVengence]

I remember the answer to this from calc a long time ago

it was (n/2)*(n+1)

[dmwalker24]

Spectacular! I'm actually going to take a Math test in the morning. Nothing so complex I'm afraid, but I appreciate you jump starting that mathematics process in my brain. Made perfect sense even though I've never taken an advanced math class in my life. Hopefully that bodes well for my collegiate math days ahead. In the beginning it kind of reminded me of loops in programming. I didn't even know you could use math like that.

[godshiva]

Haha! Glad you liked it! My original audio said something about this being similar to a for loop - but I had to cut it out for time along with me saying "um" about 50 times.

[ziprose]

Made much more sense all put together. =)

Good job, hon!

[godshiva]

@ziprose Thanks :)