or dot(v,v) or sumabs2(v)
--Tim
On Tuesday, February 17, 2015 12:42:34 PM Simon Danisch wrote:
> julia> v*v'
> 1x1 Array{Int64,2}:
> 14
> This is an array, while w[1] is a Float64.
> So you need to do something like first(v*v')
> or (v*v')[1]
>
> Am Dienstag, 17. Februar 2015 21:04:04 UTC+1 schrieb Christian Dengler:
> > Hello,
> >
> > I recently discovered Julia, and tried to convert some of my code. I ran
> > into a problem, changing values in a sparse matrix. The entries i want to
> > put in the sparse matrix result from a dot product. The error message is
> > "ERROR: `convert` has no method matching convert(::Type{Float64},
> >
> > ::Array{Float64,1})" The problem can be reproduces with the following
> > ::lines
> >
> > of code.
> >
> > v = [1 2 3]
> > w = spzeros(1, 1)
> > w[1] = v*v'
> >
> > Does anyone know how to solve this?
> >
> > Thanks,
> > Christian
> >
> > PS: I'm using Julia version 0.3.5 on Linux
