On Fri, 28 Sep 2012, Sven Schreiber wrote: >>> Also, what happens if A and B are not square? (I know, I could just try >>> that out, but too lazy, and that wouldn't necessarily answer what's >>> intended as a result.) >> >> Nothing spectacular. You just have non-square zero blocks in the >> north-east and south-west corners of the result. >> > > At the risk of being pedantic: so a block-diagonal matrix is only > returned if the inputs are square, otherwise it's just a block matrix. > (w.r.t. the help text)
You're right, fixed in CVS. Also, my previous comment was wrong: when A and B are not square, the zero NE and SW blocks of the resulting matrix are not the transpose of each other. At the risk of being pedantic! -------------------------------------------------- Riccardo (Jack) Lucchetti Dipartimento di Economia Università Politecnica delle Marche (formerly known as Università di Ancona) r.lucchetti(a)univpm.it http://www2.econ.univpm.it/servizi/hpp/lucchetti --------------------------------------------------