Shopping for jeans can be a real guessing game. When I’m on the hunt at a store and heading to the dressing room, I usually take a pair in the size I think I am, one in the next size down, and one in ...
Francoise Chatelin, The Spectral Approximation of Linear Operators with Applications to the Computation of Eigenelements of Differential and Integral Operators, SIAM Review, Vol. 23, No. 4 (Oct., 1981 ...