MEAN-SQUARE APPROXIMATION BY GENERALIZED RATIONAL FUNCTIONS
ARMY OFFICE OF ORDNANCE RESEARCH DURHAM NC
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The problem of numerical analysis to which this study is directed is that of determining an optimum approximation in the least squares sense to a given function f by a function of the form pq, where p and q are confined to certain prescribed linear spaces. The analogous approximation problem employing the uniform norm has received much recent attention. To our knowledge no investigation of the present problem has appeared.
- Statistics and Probability