anonymous
  • anonymous
What do the commas mean here. Uploading a pic
Linear Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
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Compassionate
  • Compassionate
The comma is use in numbers and mathematics to make to numbers easier to read. ( avoid confusion )
anonymous
  • anonymous
ironic cuzz it is confusing me I understand when it is a pair like x,y but what does it mean in the context of linear algebra?

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Compassionate
  • Compassionate
It's just to separate numbers and letters.
anonymous
  • anonymous
Generally in linear algebra you need a double index to denote the row and column youre in (in reference to some matrix). Thats what those commas look like they are doing to me. \[a_{i,j}\]means the element in the i-th row, j-th column.
anonymous
  • anonymous
|dw:1361767170915:dw|
anonymous
  • anonymous
ok at first i didn't see it as subscripts. That sucks. I cant tell.
anonymous
  • anonymous
I could havve told if i'd realize it subscripts. The book sucks.
Compassionate
  • Compassionate
Actually, there is more of a context. Sometimes it denotes subscripts, however, it can also denote points on a parabola. In general, it is to separate quantities (e.g terms from their subscripts.)
abb0t
  • abb0t
thurs letturs in math?!?!!?!?
anonymous
  • anonymous
ok that clears a lil confusion thanks :)
anonymous
  • anonymous
|dw:1361767590009:dw|
anonymous
  • anonymous
row by colum i,j So |dw:1361767828250:dw| that would be? |dw:1361767875622:dw| right?
anonymous
  • anonymous
1st row, second column would be the 4.
anonymous
  • anonymous
aaa ok sorry my mind is not working right just now lol.
anonymous
  • anonymous
aaaa ok i think i get it now thank you :D BTW I am doing this on my own. Not a class or anything. Just wanna study linear algebra Downloaded this book and am reading it http://joshua.smcvt.edu/linearalgebra/ Bearly on page 24
anonymous
  • anonymous
I finally rented an actual book gonna give that a read instead

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