• to get sign of a matrix

    From nitin sapre@21:1/5 to All on Thu Jan 23 02:05:20 2020
    i have a matrix



    i need to get sign of each rows



    L =

    3.4000 -4.4000 4.7000 0 2.9000 0 0
    0 -4.6000 4.9000 -3.0000 0 2.1000 0
    -3.5000 -4.5000 0 -2.5000 0 0 -2.6000
    -4.1000 0 5.4000 0 3.6000 2.6000 3.2000



    first row should be -ve 2nd row is +ve and so on

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  • From Rick C@21:1/5 to nitin sapre on Thu Jan 23 09:15:54 2020
    On Thursday, January 23, 2020 at 5:05:23 AM UTC-5, nitin sapre wrote:
    i have a matrix



    i need to get sign of each rows



    L =

    3.4000 -4.4000 4.7000 0 2.9000 0 0
    0 -4.6000 4.9000 -3.0000 0 2.1000 0
    -3.5000 -4.5000 0 -2.5000 0 0 -2.6000
    -4.1000 0 5.4000 0 3.6000 2.6000 3.2000



    first row should be -ve 2nd row is +ve and so on

    So figure out the third and fourth rows and you are done!

    --

    Rick C.

    - Get 1,000 miles of free Supercharging
    - Tesla referral code - https://ts.la/richard11209

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  • From nitin sapre@21:1/5 to Rick C on Thu Jan 23 10:12:57 2020
    On Thursday, January 23, 2020 at 10:45:58 PM UTC+5:30, Rick C wrote:
    On Thursday, January 23, 2020 at 5:05:23 AM UTC-5, nitin sapre wrote:
    i have a matrix



    i need to get sign of each rows



    L =

    3.4000 -4.4000 4.7000 0 2.9000 0 0
    0 -4.6000 4.9000 -3.0000 0 2.1000 0
    -3.5000 -4.5000 0 -2.5000 0 0 -2.6000
    -4.1000 0 5.4000 0 3.6000 2.6000 3.2000



    first row should be -ve 2nd row is +ve and so on

    So figure out the third and fourth rows and you are done!

    --

    Rick C.

    - Get 1,000 miles of free Supercharging
    - Tesla referral code - https://ts.la/richard11209

    I asked for help not to get your supercharging

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  • From Rick C@21:1/5 to nitin sapre on Thu Jan 23 16:03:58 2020
    On Thursday, January 23, 2020 at 1:13:02 PM UTC-5, nitin sapre wrote:
    On Thursday, January 23, 2020 at 10:45:58 PM UTC+5:30, Rick C wrote:
    On Thursday, January 23, 2020 at 5:05:23 AM UTC-5, nitin sapre wrote:
    i have a matrix



    i need to get sign of each rows



    L =

    3.4000 -4.4000 4.7000 0 2.9000 0 0
    0 -4.6000 4.9000 -3.0000 0 2.1000 0
    -3.5000 -4.5000 0 -2.5000 0 0 -2.6000
    -4.1000 0 5.4000 0 3.6000 2.6000 3.2000



    first row should be -ve 2nd row is +ve and so on

    So figure out the third and fourth rows and you are done!

    --

    Rick C.

    - Get 1,000 miles of free Supercharging
    - Tesla referral code - https://ts.la/richard11209

    I asked for help not to get your supercharging

    Actually, if you read your post you didn't ask for help. You stated that you had a need. I have needs as well, but I don't expect others to deal with them for me unless I actually ask.

    Did you actually have a question about the problem that you'd like an answer to? Or are you looking for someone to code this for you?

    --

    Rick C.

    + Get 1,000 miles of free Supercharging
    + Tesla referral code - https://ts.la/richard11209

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  • From Richard Damon@21:1/5 to nitin sapre on Fri Jan 24 11:20:02 2020
    On 1/23/20 5:05 AM, nitin sapre wrote:
    i have a matrix



    i need to get sign of each rows



    L =

    3.4000 -4.4000 4.7000 0 2.9000 0 0
    0 -4.6000 4.9000 -3.0000 0 2.1000 0
    -3.5000 -4.5000 0 -2.5000 0 0 -2.6000
    -4.1000 0 5.4000 0 3.6000 2.6000 3.2000



    first row should be -ve 2nd row is +ve and so on



    Do you have a definition of the 'sign' of a row of a matrix? There
    really isn't a common standard that would be universally applied (I
    think I can get an idea of what you want from your example, but getting
    an actual definition is the first step of solving a problem)

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