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Saturday, Apr. 27, 2024

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Complex Numbers

by Robert Waltz

Rated: 18+ · Book · Personal · #1196512

Not for the faint of art.

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/

Signature for Honorable Mentions in 2018 Quill Awards

A signature for exclusive use of winners at the 2019 Quill Awards

Signature for those who have won a Quill Award at the 2020 Quill Awards

Show Recent Comments

10 Most Recent Blog Comments:

Elisa the Bunny Stik

about 10 hours ago
In response to "Pleasure and Pain"

it illustrates why it's important to have people from different backgrounds, with different worldviews, working on scientific research.

This right here is why I get rather irritated by people poo-pooing college these days. I feel like that attitude effectively shits on minority populations that may not have strong finances but do possess persistent curiosity and want to learn about various subjects in-depth. In the 90s, these groups were exclusively told to go to trade schools even if they had the aptitude for college education. Nowadays the blanket "Everyone should consider a trade" mantra employs a more subtle (but still abundant) form of discrimination. I'm so over it.

1 Like

Kåre Enga in Udon Thani

Apr 25, 2024 at 3:16am
In response to "Going to the Dogs"

I have ants in Thailand. Will I miss them in Montana? No.

Would it be nice to have a cat and a dog, here or there? Yes, but I have struggles keeping my neglected plants alive.

Not every situation is suitable for everything or everybody.

Kåre Enga in Udon Thani

Apr 25, 2024 at 3:09am
In response to "Tipped Out"

I don't tip. In my travels I rarely find tipping the norm.

I also don't haggle.

When you add the tip... the true cost of America becomes evident. But what would I know? I travel while others who have double my income can't pay rent.

Kåre Enga in Udon Thani

Apr 25, 2024 at 2:58am
In response to "Reality Cubed"

My dreams may be different from your dreams but if we share them with others then some form of the dream may live on. Regardless, if we don't eat we die. "Joy gives us wings." "Reality bites."

Aiva Raine

Apr 24, 2024 at 4:26pm
In response to "Tipped Out"

Agreed. I'll tip and well, for actual waitstaff at restaurants. I'll tip appropriately for bell-staff who assists with luggage at hotels, the more luggage, the bigger the tip. I'll give a tip to the valet as well. Beyond that- I don't tip. Certainly no tip for the fast food workers, coffee baristas, grocery store clerks, etc.

It annoys me to no end that we're being asked to tip for all kinds of jobs where they are being paid an hourly wage. I've worked as a waitress when I was young and my daughter currently does. In those jobs- she absolutely depends upon proper tipping to make a decent wage. And I hate the fact that she is dependent upon tips to do so.

It leaves women especially at the mercy of arsh**() on whether she wants to accept hostile, negative, sexist, harassing, demeaning, and negative behavior from her customers in order to make a living. It condones people treating their waitstaff like shite in order to get paid. While there is much improvement from the 30 years ago when I was working as a waitress in the skimpy outfits we were forced to wear- it's still an issue at non-chain, independent owned restaurants and diners.

Women are left to the mercies of jerk customers and their only recourse is the manager who they have to hope supports their waitstaff rather than the jerk customer. Tipping should be eliminated. All employees should be paid a livable wage and waitstaff especially should not be dependent upon tolerating crappy to obscene behavior from customers in order to make a living.

But, until that happens- I always tip at least 20% and often times more. Very rarely have I tipped lower and the service in those situations was abysmal and they still got 10%.

1 Like

GeminiGem of House Lannister

Apr 23, 2024 at 6:51pm
In response to "Going to the Dogs"

I don't understand the intersection, either. I lived in a much smaller city and found that having dogs was a hassle (although it didn't stop me), what with the complainey neighbors, the extra licensing, etc. I live in a rural location now and it works great. I can't wrap my head around living in NYC with or without a dog, although I like the idea of a place that issues a canine and supplies upon moving there. Can that please be a thing?

1 Like

Lazy Writer est 4/24/2008

Apr 23, 2024 at 3:31pm
In response to "Going to the Dogs"

I love my little dog...but I live in a biggish house with a fenced backyard.

1 Like

Aennaytte: Free & Wild in GoT

Apr 23, 2024 at 3:14pm
In response to "That's Cole"

I knew and ate Kohlrabi before I ever heard of kale. Kohlrabi is so much better in every way.

That last quoted sentence is hilarious. I am glad that I wasn't bred to be a Brussels Sprout.

1 Like

Aennaytte: Free & Wild in GoT

Apr 23, 2024 at 3:11pm
In response to "Cash Stash"

The discussion of money is an interesting one. Remember the recent collapse of a few banks? I think it was about a year or so ago?
Yes, deposits were FDIC insured up to $250,000 per depositor. But some people and companies had more money in that bank than the FDIC was insuring.
I never followed up on what happened to those people. I don't run in circles of people who own that much cash.

My accounting professor took half a period to explain to us what happened and how the bank went from Silicone Valley darling to dead so fast.

He also told us that the value we give money is not backed by anything except our hope and faith that our economy will keep going.

We didn't discuss whether the value of money needed a lower income class of people.

1 Like

Aennaytte: Free & Wild in GoT

Apr 23, 2024 at 3:04pm
In response to "Revisited: "Hack This""

In my last psychology class, we discussed the evolution of the brain. It is now settled science that we evolved to have not only larger, but also vastly more powerful brains than most other animals because we learned how to cook (process) our food.
Although we are only about 1/4 to 1/3 of a normal gorilla, we eat half of the calories in a day. Not only that, we prepare the food in a way that we get to use more of the calories that we ingest.
The result is that our brain takes up more space in our noggin than a gorilla brain takes up in his noggin. Not only that, each of our brain cells is smaller, so we can fit exponentially more of those into our head.

Now, using all that goodness ...

1 Like

August 28, 2020 at 12:07am

#991729

Good? Evil? A Jedi Cares Not For These Things

Hey look, something relevant to fiction writers today.

https://aeon.co/essays/why-is-pop-culture-obsessed-with-battles-between-good-and...

The good guy/bad guy myth
Pop culture today is obsessed with the battle between good and evil. Traditional folktales never were. What changed?

Good guys don’t just fight for personal gain: they fight for what’s right – their values.

Personal gain is a value. Kind of a shitty one, but it's a value.

This moral physics underlies not just Star Wars, but also film series such as The Lord of the Rings (2001-3) and X-Men (2000-), as well as most Disney cartoons.

Couple of points: First, the X-Men comics may have been, at one point, good vs. evil, but the movies (absent the new one which hasn't come out yet) are pretty damn clear about the moral ambiguity on both sides. Professor X is the protagonist, Magneto is the antagonist (usually), but we see Xavier do some reprehensible things, and Magneto is shown to have solid motivation other than personal gain. Second, the Jedi are no angels; bending someone's will with the Jedi Mind Trick is the very definition of evil. And third, this article is from 2018; this year's X-Men title, New Mutants, is supposed to be the last film in that series -- which, of course, doesn't mean that Disney won't reboot it now that they have full rights.

That last one is beside the point; I just like superhero movies. This is the important part:

Virtually all our mass-culture narratives based on folklore have the same structure: good guys battle bad guys for the moral future of society. These tropes are all over our movies and comic books, in Narnia and at Hogwarts, and yet they don’t exist in any folktales, myths or ancient epics.

The rest of the (somewhat long) article basically expands on this.

In old folktales, no one fights for values. Individual stories might show the virtues of honesty or hospitality, but there’s no agreement among folktales about which actions are good or bad. When characters get their comeuppance for disobeying advice, for example, there is likely another similar story in which the protagonist survives only because he disobeys advice.

No wonder people are so confused all the time.

In the Three Little Pigs, neither pigs nor wolf deploy tactics that the other side wouldn’t stoop to. It’s just a question of who gets dinner first, not good versus evil.

I usually root for the wolf because bacon is delicious.

On a side note, I ventured into a movie theater the other day. With a severe lack of choice, I went to see Unhinged, the Russell Crowe thriller about road rage. I was the only one in the entire theater, incidentally (and yes, I followed all the guidelines for safety except for the one about "don't go to the movie theater.") I won't spoil it, but I made the mistake of reading the reviews first, so I went in expecting to be disappointed -- but it's actually not bad. Terrific acting, really impressive stunt work and car chases, and the plot hangs together pretty well. The reason I'm bringing this up is that it's relevant to this article: there's a good guy (er, girl) and a bad guy (Crowe, and please spare me the corvid-19 jokes), and on the surface at least, it's black and white. Thing is, and I think this might be why a lot of people don't like the movie, I thought his motivation was kinda flimsy, and her character was uninteresting to me. Perhaps they tried too hard to make it black and white, or, perhaps, they tried too hard with the motivation. After all, Jason doesn't need motivation to run around slashing teenagers, does he?

Anyway. No need to quote more from the article; if you're interested in this sort of thing, check it out. Like I said, it's kinda long, but I think it's a good essay on how storytelling has changed. And the conclusion -- the discussion of why it has changed -- is kinda chilling. Though not so much as the idea of a road rager who believes in disproportionate retribution.

4 Like • Comment • View 2 comments

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