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      <p>Except for the manual  range(1,5)it reproduces Mathcad 11 [&amp; earlier]the gorgeous Valery Ochov module,that PTC scrapped Mathcad 14 [MuPad].</p>
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        <p>Vector Gradient ... Optimiz Symbolic  </p>
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      <p>Smath does NOT stack vector of functions. Force otherwise.Set the 'i' range manually,i.e: include in the function </p>
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