Abstract

The approximation of y = Ay + B(t)y +c(t) by linear multistep methods is studied. It is supposed that the matrix A is real symmetric and negative semidefinite, that the multistep method has an interval of absolute stability [-s, 0], and that h2 11 A 11 s s where h is the time step. A priori error bounds are derived which show that the exponential multiplication factor is of the form exp{'s III BjIII(nh)}, III B II n=maXo?t-,nh 11 B(t)jj.

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