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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.
December 23, 2007 at 7:17pm December 23, 2007 at 7:17pm
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Someone asked me to explain my blog header some more. Sorry, but that's as simple as I can make it. However, I found this:
http://mathforum.org/johnandbetty/
while searching for a way to be simpler.
The drawings crack me up. |
December 23, 2007 at 7:06pm December 23, 2007 at 7:06pm
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What ain't no country I ever heard of. They speak English in What?
-Jules
http://www.timesonline.co.uk/tol/news/uk/health/article3087367.ece
DEAF parents should be allowed to screen their embryos so they can pick a deaf child over one that has all its senses intact, according to the chief executive of the Royal National Institute for Deaf and Hard of Hearing People...
Say what?
More:
In America a deaf couple deliberately created a baby with hearing difficulties by choosing a sperm donor with generations of deafness in his family.
WHAT??!
How about we stop breeding for stupid, huh? I mean, I know some people would love to select undesirable traits OUT of their offspring - the definition of "undesirable" being a key issue that I'm not going to touch - but what kind of parent purposely does something to their kid that gives them a disadvantage in life? Of course, lots of deaf people do just fine in life, and that's not the issue; the issue is where does it stop? Should retarded people (and yes, I'm using the R word) deliberately have Down's kids so they can all be retarded together? Come on!
I weep for the world. |
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