mariomintchev
need help with this matrix problem............
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mariomintchev
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mariomintchev
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@experimentX @TuringTest
mariomintchev
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you basically have to fill in the blanks
mariomintchev
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the first blank is 1
experimentX
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I am having hard time reading it ... could you simplify the problem? how much is your matrix?
mariomintchev
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do you want me to make it a PDF?
experimentX
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no ... how much is your matrix?? what are it's rows and columns ...
mariomintchev
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2 1 0 5 0 8
3 0 1 6 0 9
-4 0 0 7 1 10
experimentX
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so what are you going to do?
I think the R2 will be R2/3
mariomintchev
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yeah i was thinking that too. i'm having a hard time getting the 2nd, 3rd, 5th and 6th blanks.
experimentX
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i really don't like it ... first it makes R1 zero, then R3 zero and then make R2 = 1
It it had asked to make R2 = 1 first ... then R1 = R1 - 2R2
and R3 = R3 + 4R3
experimentX
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if ... R2 is not make 1 first then, your answer should be
R1 = R1 - 2/3 R2
R3 = R3 + 4/3 R2
mariomintchev
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so our goal was to get a 1 and a 0 in that first column?
experimentX
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yes
mariomintchev
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mariomintchev
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what would the 2nd blank be?
mariomintchev
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it's not -2 or 1
mariomintchev
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im thinking we have to make it a zero but how would we do that
mariomintchev
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@experimentX
experimentX
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wow ... could you post snapshot?
mariomintchev
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idk what that is lol
experimentX
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make a picture and upload it .. instead of that excel file. I hate to download it.
mariomintchev
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mariomintchev
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heres a PDF of it
experimentX
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isn't this yesterday's Q?
mariomintchev
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lol no, its another similar one
mariomintchev
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i need the second and third blanks...
the 2nd blank is not -2 or 1
experimentX
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-3/2 on first ... rest is okay.
experimentX
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don't post pdf too ... use pictures. jpg, png, or gif files ... they are easy.
mariomintchev
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ok, thanks.
experimentX
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yw