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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Show Recent Comments

10 Most Recent Blog Comments:

tj-Merry Mischief Maker

about 11 hours ago
In response to "A Mammoth Discovery"

This makes think of a book, "Evolution and Genomic Diversity" by Gene Poole.

1 Like

tj-Merry Mischief Maker

a day ago
In response to "Hot Shoulder"

Maybe if we say, "Betelgeuse" three times in a row we can witness it.

1 Like

tj-Merry Mischief Maker

Dec 23, 2024 at 4:55pm
In response to "Trash Pandas"

Being an avid camper, keeping items out of the reach of raccoons can be challenging. We've had them figure out how to open coolers, open chests, and even gnaw through rope used to suspend a cooler out of their reach.

2 Like

🐕GeminiGem🎁

Dec 23, 2024 at 12:56pm
In response to "Trash Pandas"

I wrote one of my Danger Dog stories based on a childhood camping trip that involved a raccoon stealing grapes from our cooler "Danger Dog's Camping Capers"

I had always heard that cockroaches will be the only thing that survives a nuclear war/apocolypse, but maybe it will actually be the raccoons.

4 Like

🌖 HuntersMoon

Dec 23, 2024 at 10:04am
In response to "Trash Pandas"

Just wait until we team up with the cats...

4 Like

Jayngle Bells

Dec 23, 2024 at 10:03am
In response to "Trash Pandas"

The back of my property is sheltered by buildings and cedar trees, so I live on a "racoon highway." Tinfoil works until one takes it for the team and moves it. The only scent that somewhat deters then is ammonia - but they alter their path within the already preferred walkway, not avoid it completely. They generally leave the garbage bin alone, but that's because of the bears, not because of anything we do 😂

I've had more wildlife problems in the city than I ever did in the country. The first time I saw a deer up close? In the middle of my street directly in front of my house. Probably looking for the trash panda party. Lol

4 Like

Annette

Dec 21, 2024 at 11:59am
In response to "Neutral Zone"

It made me happy that I was able to like it. I take the small victories.

1 Like

tj-Merry Mischief Maker

Dec 20, 2024 at 6:06pm
In response to "To Err Is Human"

Right from the beginning I find myself asking, "How many times can anything go extinct?" On a side note, the other day while shopping I saw a neanderthal in the produce section. He was trying to fit in with modern clothes, but it was pretty obvious he was a neanderthal.

1 Like

Annette

Dec 20, 2024 at 1:00pm
In response to "To Err Is Human"

Comments work.

"Like" button sends me this message:

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2 Like

Annette

Dec 20, 2024 at 12:58pm
In response to "To Err Is Human"

Can I leave this comment?

July 16, 2024 at 11:20am

#1074023

Stockholm Syndrome

An entry for "Journalistic Intentions"

[18+] today:

Stockholm

It's impossible for me to see the name of this city without thinking "Stockholm Syndrome."

I imagine that name for hostages developing sympathy for their captors stuck because of the neat alliteration, rhyme and rhythm of the phrase. It really has nothing to do with Sweden's capital, except for it being the place where the "syndrome" was identified. Probably, we should find another name for it like we've started to do with actual diseases, no longer naming them after places.

And I say "actual diseases" not because mental illness isn't real, but because Stockholm Syndrome isn't officially recognized

as such.

Even if it were, from the time I first heard of it, I was skeptical.

It's easy to look at a situation from the outside and make value judgements. Captors=evil, hostages=good. It's probably the oldest dichotomy in history: the contrast between good and evil.

What I don't think people take into account is that usually, the hostages are ordinary people, and ordinary people have some level of empathy and compassion. Those qualities are generally attributed to the "good" side of good vs. evil.

And even the hostage-takers might have some signs of humanity. Otherwise, why would they care enough about a cause to go to extremes to achieve it?

It's been noted by better thinkers than me that, once people actually get to know each other, some level of understanding gets reached. Given all that, it doesn't surprise me in the least that in some situations, captives can start feeling empathy for their captors (hell, sometimes it's even the other way around).

Point is, people are complicated, and if you've never been in that sort of situation, it can look like an aberration from the outside. But with a little bit of empathy, one can maybe see how it's perfectly natural.

6 Like • Comment • View 1 comment

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