Talk:Biconjugate gradient method

Scalars and Vectors

I've implemented this algorithm, and in the presentation, someone needs to more clearly differentiate between the terms that are scalars and those that aren't. For instance, ${\alpha }_{k}$ and ${\beta }_{k}$ are scalars and the rest are not.CFDFEM (talk) 20:39, 1 September 2009 (UTC)

I suppose it is more or less a convention that Greek letters are usually used for scalars, lowercase letters for vectors and uppercase letters for matrices, though personally I would prefer further having vectors and matrices in bold type for better distinction.Kxx (talk) 05:13, 3 September 2009 (UTC)