thanks,
b = a[:;[1; 3; 5]] and b = a[:,[1, 3, 5]] woks too...
What is the difference between "," and ";"
Paul
W dniu wtorek, 29 kwietnia 2014 20:34:44 UTC+2 użytkownik Patrick O'Leary
napisał:
>
> b = a[:,[1; 3; 5]]
>
> or if they are always going to be evenly spaced indexes like that, you can
> use a range:
>
> b = a[:, 1:2:5]
>
> On Tuesday, April 29, 2014 1:23:36 PM UTC-5, paul analyst wrote:
>>
>> a =rand(5,5)
>> b=slicedim(a,2,1,3,5)
>> ERROR: no method slicedim(Array{Float64,2}, Int64, Int64, Int64, Int64)
>>
>> how to choose from matrix a column 1,3,5 wihout while etc.?
>> Paul
>>
>
