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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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        <p>"FindRoot" needs toexplicit the two specific algorithms</p>
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    <math>
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        <p>guess wisely ... set Options ...</p>
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    <math>
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        <p>recast the roots</p>
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