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<span style="font-size:12.0pt;font-family:"Arial",sans-serif"><a href="#_Hlk61346225"><o:p> </o:p></a></span></p>
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<span style="font-size:12.0pt;font-family:"Arial",sans-serif">The proper terms to contrast/compare here are perhaps CLOSED-FORM and ALGORITHMIC?<o:p> </o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Arial",sans-serif">Equiripple FILTER designs, of necessity, employ well-studied ALGORITHMS (Remez Exchange, Parks-McClellan) which converge TOWARD the UNIQUE-BEST solution (Alternation Theorem).<o:p> </o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Arial",sans-serif">Beyond this, we really do need a current (complete, corrected/updated, commented) version of David’s code, with phase-error graphs, showing what happens, for example, when we use perhaps just 3 rather
than 8 iterations.<o:p> </o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Arial",sans-serif">-Bernie<o:p> </o:p></span></p>
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