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Issue No. 06 - November/December (2003 vol. 5)
ISSN: 1521-9615
pp: 60-70
Dianne P. O'Leary , University of Maryland
Nargess Memarsadeghi , NASA Goddard Space Flight Center
<p>In this month's problem, we use linear algebra and matrix-updating techniques to track a set of moving signals. The solution to last month's problem on clustering data, which appears at the end of this article, illustrates the complications of determining useful clusters.</p>

N. Memarsadeghi and D. P. O'Leary, "The Direction-of-Arrival Problem: Coming at You," in Computing in Science & Engineering, vol. 5, no. , pp. 60-70, 2003.
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