It says that, if A is a singular matrix, then every neighborhood of A contains an invertible matrix. In other words, if A is singular, we can perturb A just a little and obtain an invertible matrix.
Wouter Bos seems too good to be true. He's smart, relaxed and impossibly telegenic, with a knack for coming across as humble and sincere.
So here's the sitch: Bruce Banner and Betty Ross Talbot are falling from roughly eight miles high.
[…] What makes it worse,” she continued, in the extremity of confidence, “I heard those two cricketing men say just now, 'She's the nobbiest girl on the boat.' But I don't mind it, you know, Harry.
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