Complex Numbers (Book)

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Complex Numbers

Complex Numbers

A complex number is expressed in the standard form a + bi, where a and b are real numbers and i is defined by i^2 = -1 (that is, i is the square root of -1). For example, 3 + 2i is a complex number.

The bi term is often referred to as an imaginary number (though this may be misleading, as it is no more "imaginary" than the symbolic abstractions we know as the "real" numbers). Thus, every complex number has a real part, a, and an imaginary part, bi.

Complex numbers are often represented on a graph known as the "complex plane," where the horizontal axis represents the infinity of real numbers, and the vertical axis represents the infinity of imaginary numbers. Thus, each complex number has a unique representation on the complex plane: some closer to real; others, more imaginary. If a = b, the number is equal parts real and imaginary.

Very simple transformations applied to numbers in the complex plane can lead to fractal structures of enormous intricacy and astonishing beauty.

http://www.ddewey.net/mandelbrot/

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Brandiwyn🎶

a day ago
In response to "Blond Man's Bluff"

That's interesting about the two spellings of blonde. I always thought blonde referred to the person and blond referred to the hair. But I never bothered to look it up, So you've catered to my lazy today.

3 Like

Kåre เลียม Enga

Nov 9, 2024 at 1:02pm
In response to "It Was a Dark and Starry Night"

Ah... but why did he see those swirls when many of us don't? A totally different discussion... out of thin air... which is a frozen fog today when I gaze out the window.

Humans have great skills of observation; some of us extraordinary skills. Is The Scream depictive or evocative? 😱

Turkey DrumStik

Nov 9, 2024 at 11:04am
In response to "It Was a Dark and Starry Night"

Frankly, I'm more surprised to see reasonably good reporting from CNN. I'd given up on their ability to rein in their tendency toward loaded speech.

2 Like

JayNaNoOhNo

Nov 8, 2024 at 12:00pm
In response to "Bungalow Bash"

For the love of God, what did I just read? That is by far the worst use case of a bungalow I've ever seen, and a fundamental misunderstanding of the value of front porches—and the size of bungalows.

Was this his point? Nope, I know what his point was. For a guy so worried about presentation, he certainly undercut his own arguement.

1 Like

Turkey DrumStik

Nov 8, 2024 at 9:47am
In response to "Bungalow Bash"

"People don't change their minds on the internet. They usually do that in books, battlefields, or not at all.

Yeah, that's a little bleak."

Bleak and also inaccurate.

1 Like

Kåre เลียม Enga

Nov 7, 2024 at 10:19pm
In response to "Past and Future Intents"

I must live in the present. In the past I daydreamed a lot... probably to escape the bruises of reality; however, I need to be more aware crossing streets or even how I get out of bed (no rapid movements without thinking of consequences).

I can envision a future more peaceful than the present because this time-and-place isn't the only "present" that's ever existed, and I do try to see the larger view (emphasis on 'try').

1 Like

Lilli 🧿 ☕

Nov 7, 2024 at 10:58am
In response to "Past and Future Intents"

If the aforementioned exercises don't help; there's still liquor.

3 Like

Turkey DrumStik

Nov 6, 2024 at 10:22am
In response to "Lo!"

Not gonna lie I need the holiday season chatter.

Aiva Raine

Nov 5, 2024 at 3:03pm
In response to "It's Hard Not To Scare"

Shaking head. Aside from the inevitable Simpson's spider goat song playing in my head which I will now share with you below, whenever I come across a story that has all these scientists doing ridiculous experiments for no logical reason, I must go- ah- scientists- CANCER? You do remember that problem right? Can we maybe cure that before we make cockroaches magnetic and elephants see pink elephants?

spider pig clip- and if you all now are singing the spider goat song- you're welcome! grin
https://www.youtube.com/watch?v=BARjPuUN36Y

1 Like

Aiva Raine

Nov 5, 2024 at 2:55pm
In response to "Anomalies"

One of your more humorous entries- I especially enjoyed- "Lofoten Vortex can be the name of my Bjork cover band."

Thanks for the laughs. Much appreciated.

2 Like

October 8, 2021 at 12:01am

#1018914

Trivial Pursuit

Okay, this makes three Cracked links in a row by my count. Whatever. Some people say they read this blog to learn stuff. Well - here's a lot of stuff to learn. Hell, I didn't know most of it.

60 Did You Know Facts That Will Make You The Smartest Person In The Room

I gotta take issue with the title, though. Knowledge isn't the same thing as smarts. If it were, the internet would be the smartest thing ever, and... well. No. It's not memorizing trivia that makes you smart; it's being able to draw conclusions from it.

Today, I wrote not one but two poems, so I'm about written out. So I'm mostly just going to leave the link here for your (and my future) reference. See, being smart, I know when to shut up and let other people do the taking.

Sometimes.

From the walkmans in Guardians of the Galaxy to Jim Henson's coffee-fueled pre-Muppets career, here are 60 fun facts and random trivia tidbits that will inevitably make you the smartest person in the room.

So that's where I read the thing about the Guardians walkmen. Walkmans. Whatever. From a previous entry.

Just a word of warning, though: I didn't verify any of these. Don't take any of them as The Truth without backing it up from somewhere.

Also, a comment on just one of them:

15. The longest, non-technical word in the English Language has 45 letters.

Beating Disney’s “supercalifragilisticexpialidocious” by 11 letters, pneumonoultramicroscopicsilicovolcanoconiosis, is a 45-letter word for “a pneumoconiosis caused by inhalation of very fine silicate or quartz dust,” according to the Merriam-Webster dictionary.

That's a technical word, dammit.

I'm about burned out, but if you decide to look at the list and have any comments, feel free to post. Not doing a mini-contest today (though I will do one soon), but I'm perfectly happy to respond to your comments later. Found an error? Dispute an interpretation (as with the technical word above)? Let's hear it.

4 Like • Comment • View 5 comments

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