Abstract
It is pointed out that the above-titled paper by F.X. Canning (ibid., vol.39, no.11, p.1545-52, Nov. 1991) neglects an earlier paper by the commenter (ibid., vol.37, no.12, p.1559-65, Dec. 1989) which describes the determination of the resonances of integral equation operators. The commenter suggests that the method used by Canning for correcting scattered fields is incorrect or impractical since it is based on an integral equation that is ill posed. Canning responds by showing that the matrix problem one must solve is not ill posed, and that the objections raised by Marks stem from failing to properly distinguish the properties of the matrix from the properties of the integral equation. Responses are also given to several specific statements made in the above comments.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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