4×4 Array{Int64,2}:
 0  1  2  3
 1  0  4  5
 2  4  0  6
 3  5  6  0

a symetric matrix m[i,j] =m[j,i]  and m[i,i]= 0

On Fri, Aug 19, 2016 at 3:59 PM, Jeffrey Sarnoff <jeffrey.sarn...@gmail.com>
wrote:

> Is this what you want, or are you looking for a more general way to
> construct nxn matrices like this 4x4 matrix, or something else?
>
> julia> m = [ [0,1,2,3] [1,0,4,5] [2,3,0,6] [4,5,6,0] ]
> 4×4 Array{Int64,2}:
>  0  1  2  4
>  1  0  3  5
>  2  4  0  6
>  3  5  6  0
>
>
> On Friday, August 19, 2016 at 9:01:06 AM UTC-4, Ahmed Mazari wrote:
>>
>> Yes but it doesn't allow me to set the diagonal to 0 ??
>>
>> On Fri, Aug 19, 2016 at 2:55 PM, Michael Borregaard <mkborr...@gmail.com>
>> wrote:
>>
>>> You can build the matrix as normal, then specify that the upper triangle
>>> is undefined by
>>> mat = LowerTriangular(mat) # where mat is a Matrix of any eltype.
>>>
>>
>>

Reply via email to