Tuesday:
[Picture] [Picture] [Picture] [Picture] [Picture] [Picture] [Picture] above right: the continuous function x -> ||Ax|| (I forgot the put the norm) [Picture] [Picture] [Picture]
Thursday: [Picture] [Picture] [Picture] [Picture] [Picture] below we show that ||A|| x_n converges, thus also x_n converges, and we can reason as before. [Picture] [Picture] [Picture]