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anonymous
 4 years ago
Evaluate C  D.
(Image attached.)
anonymous
 4 years ago
Evaluate C  D. (Image attached.)

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Exactly the same just subtract...?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I don't even understand how to do it though..

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2\[\left[\begin{matrix}a & b \\c& d\end{matrix}\right]\left[\begin{matrix}e & f \\g& h\end{matrix}\right]=\left[\begin{matrix}ae & bf \\cg& dh\end{matrix}\right]\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Those are just the variables ash2326

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2Kaup Kel use this to evaluate the matrix subtraction, Did you get it?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I really really just need to learn from scratch how to do this. I don't even know what matrix is....

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2I'll show you \[\left[\begin{matrix}7 & 11 \\15& 3\end{matrix}\right]\left[\begin{matrix}1 & 0 \\4& \frac{11}{2}\end{matrix}\right]=\left[\begin{matrix}(71) & (110) \\(154)& (3 \frac{11}{2})\end{matrix}\right]\]

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2Kaupkel did you understand this??

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Not at all, but that's okay. You tried to help me, and I appreciate it. I just don't know what I'm going to do. This is all new to me.

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2Let me give you an idea of matrix

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2Matrix is a rectangular array of numbers or variables . The numbers are called elements of matrix. See this is a matrix with 4 elements a, b, c, d \[\left[\begin{matrix}a & b \\c& d\end{matrix}\right]\]

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2dw:1328646952010:dwNow matrix has rows and columns, in the example I showed you, it has 2 rows and 2 columns.

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2we can have any number of rows or columns, may or may not be equal

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Okay.. I'm understanding you so far..

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2Now last thing for today , matrix when added or subtracted the individual elements are added or subtracted. But remember one thing

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0But wait! How do I solve one though. That's what I wanted to know the most.

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2The matrices being added should have equal no. of rows and columns. In our example both the matrices have equal no. of rows and columns 2 *2

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2Kaupkel, your question has two matrices , both are 2*2, so subtract corresponding elements for example 71=6

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2and do this for remaining 3 and place the result at the respective position, see the post where I'd solved this one above

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Kind of, except what is a corresponding element?

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2dw:1328647944077:dwThese are corresponding elements

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.211 and 0 are also corresponding elements

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Thank you for all your time and effort. I kind of understand it now. Can you solve the question I put? I think it would help me understand better, since it's an actual full question..

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2I have solved it, see above

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Thanks! I totally understand it now! I'm so excited.. but what about the 4th corresponding element? Did you forget to do it, or did you want me to figure it out?

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2Actually I didn't have space for that, you tell what will be the 4th element?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I'm not real sure what will be the 4th element since it's like a fraction.

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.23(11/2) 3+11/2 6/2+11/2=17/2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so 17/2 is the fourth element?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Yes I do! But are you supposed to solve the elements in the answer in the most recent drawing you did?

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2yeah , like that and you have to write like that only

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Oh. Okay! I'm so excited that I understand this! Haha. Thank you again for all your help. Sorry for taking up so much of your time too. Lol.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0So just to be sure, It would be wrtitten like this right? 6 11 19 17/2

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2Yeah Kaupkel, it's written like that. Don't be sorry , I'm glad to help :)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Thank you so much!! You are like the awesomest person ever! and the first to actually take time to help me on here...

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2You'd find more people like me here. It's great that I could help. Do try more problems, you'll learn more. :):)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0One more thing I need help with, if you don't mind...

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Thank you! And I just came accross a question on my homework that is exactly what we just did except there's 3 rows of elements.. I'm not real sure how to find the corresponding elements for those.

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2subtract element by element, doesn't matter how many rows are there seedw:1328650357384:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Yeah, but I don't know which ones to match up with which. You know?

ash2326
 4 years ago
Best ResponseYou've already chosen the best response.2see Ist row, 1st column matches to 1st row, 1st column of other matrix similarly just add or subtract the elements with same row no. and column no. check this link also http://en.wikipedia.org/wiki/Matrix_addition

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0So, tell me if I got this right...... 14 6 19 18 11 9 I'll post the problem with it in a sec.
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