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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#8 Re: Exercises » functional equation. » Yesterday 13:13:39

Yes, I really could see no use for such a head until the guys over here started a thread about typing with other than their fingers. I of course used my sharpened head and it was easy. It was then that I knew why I had been born...

#9 Re: Computer Math » Polynomial Root Finding » Yesterday 12:36:41

1) I have the analytical answer.

2) I evaluated the integral numerically.

3) I ran the recurrence in the backward direction.

#10 Re: Help Me ! » Help » Yesterday 09:17:14

You needed to right click on that image and post it between the img tags, I have done it for you.


#12 Re: Exercises » functional equation. » Yesterday 04:41:01

When I first came here I had a very hard head too. But they taught me how to sharpen it.


Now I have a sharp hard head.

#13 Re: Computer Math » Polynomial Root Finding » Yesterday 04:30:15


You are not convinced?

I use the 2 way method to check numerical work.

Hi thickhead;

I was amazed when I got it to work too. Perhaps, a bit of work on the integrand first, wold be safer.

#16 Re: Exercises » functional equation. » 2016-06-23 18:47:38

I have never been very good with grammar. Being a bumpkin means talking and writing kind of funny.

#18 Re: Exercises » functional equation. » 2016-06-23 16:11:14

Hohohohooohooooooahahhahhha! That is a good one.

Book problem: Definition:

Pertaining to math, it is a problem found in a math book.

#22 Re: Exercises » functional equation. » 2016-06-23 13:38:31

That I can not say. It looks like just substitution. You can probably read up on it on the net.

#23 Re: Exercises » functional equation. » 2016-06-23 13:33:58

Works well on book problems.

#25 Re: Help Me ! » Help » 2016-06-23 05:57:52

You first upload it to

Then you right click on the image after you have uploaded it  and click "Copy Image Location"

Post the image tags in your post

[img]"paste the image location in here"[/img]

Make sure you can see the image in your post.


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