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xyonx		#1 Posted : 17 May 2012 13:10:08(UTC)
Rank: Member Groups: Registered Joined: 16/05/2012(UTC) Posts: 10 Location: indonesia		hi all, i try using lookup function descirebed by admin, however it's not work in using sqrt commands. what a poblem? anybody can help? thx u
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omorr		#2 Posted : 18 May 2012 09:27:35(UTC)
Rank: Administration Groups: Registered, Advanced Member Joined: 23/06/2009(UTC) Posts: 1,740 Was thanked: 318 time(s) in 268 post(s)		Hello, The problem is that "x" variable is a matrix with single element - pay attention on the brackets. Therefore, square root of a matrix is not defined in SMath. Try this: x:mat(6,1,1) sqrt(el(x,1))=2.4495 Regards, Radovan
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xyonx		#3 Posted : 18 May 2012 15:28:56(UTC)
Rank: Member Groups: Registered Joined: 16/05/2012(UTC) Posts: 10 Location: indonesia		hi, when using lookup function the bracket are in matrix mode by default i can not using these extracted data from lookup function to make further calculation using sqrt commands thx u
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Davide Carpi		#4 Posted : 18 May 2012 15:52:51(UTC)
Rank: Advanced Member Groups: Registered, Advanced Member Joined: 13/01/2012(UTC) Posts: 2,725 Location: Italy Was thanked: 1393 time(s) in 909 post(s)		Hi, there are two errors here is the file in the image: vlookup_debug.zip regards, w3b5urf3r
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xyonx		#5 Posted : 19 May 2012 22:45:17(UTC)
Rank: Member Groups: Registered Joined: 16/05/2012(UTC) Posts: 10 Location: indonesia		Quote: use the "[" after typing "x" to add the vector index thx u for clearly explains the typing method in previously posted by Ommor, it cut down my times and complexity using too much multiple branch
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