[Scilab-users] Question about the infamous dot
Sylvestre Ledru
sylvestre.ledru at scilab-enterprises.com
Sat Oct 20 06:12:05 CEST 2012
FYI, Scilab 5.4.1 will show:
-->1./[2 3 4]
Warning: "1./ ..." is interpreted as "1.0/ ...". Use "1 ./ ..." for
element wise operation
ans =
0.0689655
0.1034483
0.1379310
Sylvestre
On 19/10/2012 16:56, Adrien Vogt-Schilb wrote:
> hI
>
> This is interpreted as 1.0/[2 3 4] (yes it is combersome)
>
> you want to use:
>
> 1.0./[2 3 4]
>
> or
>
> 1 ./[2 3 4] //mind the space before the dot
>
> you can also use [2 3 4].^-1
>
>
> note that
>
> [2 3 4]*[0.0689;0.1034;0.1379] = 1
>
> also note the orientation of each matrix (row or column)
>
>
> On 19/10/2012 08:14, Melvyn Drag wrote:
>> In one of the exercises that came with the scilab documentation there
>> is a question that says:
>> Why does:
>> 1./[2 3 4]
>> give the strange result
>> 0.0689
>> 0.1034
>> 0.1379
>>
>> Instead of
>>
>> 0.5
>> 0.333
>> 0.25
>>
>> I can't seem to come up with an answer.
>>
>> Thanks for the help!
>>
>> Mel
>>
>>
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>
>
>
>
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Sylvestre Ledru
Operations Manager / Community Manager
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