[ARCHIVED THREAD] - PSA: =/= != != (Page 1 of 2)
Posted: 7/10/2017 12:57:04 PM EDT
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If you don't understand the title please have your husband explain it to you.
Also, .9bar != 1 kthxbai |
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You are wrong.
http://www.urbandictionary.com/define.php?term=%3D%2F%3D Save your syntax argument for the people who care: .jpg)
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| I just had some blueberry pie that looked just like that. It was delicious. |
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I havd no idea where =/= came from as an inequality operator, but it bugs the shit out of me for some reason. Must be the C (and derived languages) programmer in me. Oh, and .9bar = 1. 
Many more people have taken algebra than have taken programming classes. If you haven't dealt with C or a function program you're going to type =/=. ETA- ARF no likely alt-code. Here:Attached File |
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And yet, people who are actually mathematicians continue to tell you you are wrong. Boy, are they dumb. Quoted:
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If you don't understand the title please have your husband explain it to you. Also, .9bar != 1 kthxbai And yet, people who are actually mathematicians continue to tell you you are wrong. Boy, are they dumb. Also, the = symbol is used for both equivalence and convergence. These are similar but different actions that lead to a lot of confusion. A good example is the infinite sum of 1/2n = 1. Saying it converges to 1 is accurate, saying it equals is flat out wrong. |
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I am an engineer who does math in the real world. .9bar does not equal 1 because .9bar doesn't exist. Anytime your math involves infinity you have to step back and consider if what you're doing makes sense. Also, the = symbol is used for both equivalence and convergence. These are similar but different actions that lead to a lot of confusion. A good example is the infinite sum of 1/2n = 1. Saying it converges to 1 is accurate, saying it equals is flat out wrong. Quoted:
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If you don't understand the title please have your husband explain it to you. Also, .9bar != 1 kthxbai And yet, people who are actually mathematicians continue to tell you you are wrong. Boy, are they dumb. Also, the = symbol is used for both equivalence and convergence. These are similar but different actions that lead to a lot of confusion. A good example is the infinite sum of 1/2n = 1. Saying it converges to 1 is accurate, saying it equals is flat out wrong. .9bar = .3bar * 3. How can you argue that multiplying 1/3 by an integer "doesn't exist"? |
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I am an engineer who does math in the real world. .9bar does not equal 1 because .9bar doesn't exist. Anytime your math involves infinity you have to step back and consider if what you're doing makes sense. Also, the = symbol is used for both equivalence and convergence. These are similar but different actions that lead to a lot of confusion. A good example is the infinite sum of 1/2n = 1. Saying it converges to 1 is accurate, saying it equals is flat out wrong. 
Convergent Series "If the series is convergent, the number L (necessarily unique) is called the sum of the series." |
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Actually you are wrong on both points but let's address the latter. An infinite series can equal a number; in that case it is called a convergent series. That's not even graduate-level stuff; that's first-year calculus.
Convergent Series "If the series is convergent, the number L (necessarily unique) is called the sum of the series." |
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Pie r round...
cornbread r square !
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No no no. Convergence is not the same as equivalence. Infinity does not exist so it can not equal anything. Doesn't mean it can't be used in math, just have to be careful with it. |
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.3bar exists - it's 1/3. .9bar = .3bar * 3. How can you argue that multiplying 1/3 by an integer "doesn't exist"? |
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LOL, now I remember why I stopped talking math in GD. By all means, continue to think you are well-versed in mathematics. |
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Again, infinity doesn't exist. .3bar is a limitation of our notation system and does not "equal" 1/3. It is very commonly used as such and usually doesn't matter though. .3bar isn't "equal to" 1/3, it is 1/3. They are the same number, just as .9bar and 1 are the same number. Infinity "doesn't exist" in the same way that zero "doesn't exist". |
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I havd no idea where =/= came from as an inequality operator, but it bugs the shit out of me for some reason. Must be the C (and derived languages) programmer in me. Oh, and .9bar = 1. |
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You're dead wrong here. .3bar isn't a limitation of our notation system, it is a special case of it to represent a number that isn't easily represented on your fingers. .3bar isn't "equal to" 1/3, it is 1/3. They are the same number, just as .9bar and 1 are the same number. Infinity "doesn't exist" in the same way that zero "doesn't exist". I don't know how to keep saying this. I've given explicit examples of everything I say and the only response is to say I must be wrong because feels. Go ahead and bust my math if you're so sure I'm wrong. |
