Titlebook: Spline and Spline Wavelet Methods with Applications to Signal and Image Processing; Volume II: Non-Perio Amir Z. Averbuch,Pekka Neittaanmäk

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Amir Z. Averbuch,Pekka Neittaanmäki,Valery A. Zheludevthe Krylov block subspaces. The acceleration of two-level iterative processes is provided by means of aggregation, or coarse grid correction, with different orders of basic functions, which realize a low - rank approximation of the original matrix. The auxiliary subsystems in subdomains are solved b

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Amir Z. Averbuch,Pekka Neittaanmäki,Valery A. Zheludeve to use the Laplacian operator itself as preconditioner. This preconditioner can be inverted easily by fast sine-transforms and we prove that the resulting preconditioned system is well-conditioned and has clustered spectrum too. Hence the conjugate gradient method converges superlinearly for the p

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Amir Z. Averbuch,Pekka Neittaanmäki,Valery A. Zheludeven 0.75 × 10. and 1.5 × 10. cm. The composite multilayered cylinders are manufactured on specially designed automatic winding machines. Precise control of the winding pattern and direction of the filaments is required for maximum strength and can only be achieved with controlled machine operation. T

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Amir Z. Averbuch,Pekka Neittaanmäki,Valery A. Zheludev