On Sun, Mar 21, 2010 at 2:00 AM, Charles R Harris <[email protected]
> wrote:
> Example,
>
> Compute the qr factorization of a matrix.
>>
>> Factor the matrix `a` as `qr`, where `q` is orthonormal
>> (:math:`dot( q_{:,i}, q_{:,j}) = \delta_{ij}`, the Kronecker delta)
>> and
>> `r` is upper-triangular.
>>
>
> Arrggghhhh... Totally. Unreadable. Why not say the columns of q are
> orthonormal vectors and r is upper triangular? The math tutorial should go
> in the notes, if anywhere. Might mention that this is a 'thin' factorization
> (Golub). Let me propose a rule: no math markup in the summary, ever.
>
That's already a rule, although it could be expressed even clearer. My
understanding is: latex only in the Notes section, and even there very
sparingly.
Ralf
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