Analog computers are systems that perform computations by manipulating physical quantities such as electrical current, that map math variables, instead of representing information using abstraction ...
This is a preview. Log in through your library . Abstract Let $S = \{x_1, x_2, \cdots, x_n \}$ be an $n$-set and let $S_1, S_2, \cdots, S_m$ be subsets of $S$. Let $A ...
For systems of matrix equations of the form $$U' = A(t, U, V)V,\quad V' = - B(t, U, V)$$ it is shown here that the oscillation problem can be reduced to the ...
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