July 2013
Intermediate to advanced
282 pages
6h 28m
English
Content preview from Good MathBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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What i Means
But what do complex numbers mean in the real world? Do they really represent actual phenomena, or are they just a mathematical abstraction?
The answer is that they’re very real, as any scientist or engineer will tell you. There’s one standard example that everyone uses because it’s so perfect: Take the electrical outlet that powers your lights, your computer. It provides an alternating current. What does that mean?
Well, the voltage—which (to oversimplify) can be viewed as the amount of force pushing the current— is complex. In fact, if your outlet supplies a voltage of 110 volts AC at 60 hz (the standard in the US), that means the voltage is a number of magnitude 110. In Figure 7, Alternating current in the complex plane: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.