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    <p>Hi all,</p>
    <p>Speaking of which, I think there is a small mistake in subroutine
      <span class="pl-en">convabp in the perturb.f file.<br>
      </span></p>
    <br>
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          <td id="LC733" class="blob-code blob-code-inner js-file-line">
            <span class="pl-k">if</span> (<span class="pl-k">.not.</span>ifadj)
            <span class="pl-k">then</span></td>
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      data-tab-size="8">
      <tbody>
        <tr>
          <td id="LC734" class="blob-code blob-code-inner js-file-line">
            <span class="pl-k">call</span> opcopy(ua,ub,uc,vx,vy,vz)</td>
        </tr>
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    <table class="highlight tab-size js-file-line-container"
      data-tab-size="8">
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          <td id="LC735" class="blob-code blob-code-inner js-file-line">
            <span class="pl-k">call</span> opcopy(vx,vy,vz,vxp(<span
              class="pl-c1">1</span>,jp),vyp(<span class="pl-c1">1</span>,jp),v<b>y</b>p(<span
              class="pl-c1">1</span>,jp))</td>
        </tr>
        <tr>
        </tr>
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      data-tab-size="8">
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          <td id="LC736" class="blob-code blob-code-inner js-file-line">
            <span class="pl-k">call</span> convop(ta,t(<span
              class="pl-c1">1</span>,<span class="pl-c1">1</span>,<span
              class="pl-c1">1</span>,<span class="pl-c1">1</span>,ifield<span
              class="pl-c1">-1</span>)) <span class="pl-c"><span
                class="pl-c">!</span> dU.grad T</span></td>
        </tr>
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        </tr>
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    <table class="highlight tab-size js-file-line-container"
      data-tab-size="8">
      <tbody>
        <tr>
          <td id="LC737" class="blob-code blob-code-inner js-file-line">
            <span class="pl-k">call</span> opcopy(vx,vy,vz,ua,ub,uc)</td>
        </tr>
        <tr>
        </tr>
      </tbody>
    </table>
    <span class="pl-k">endif</span><br>
    <br>
    <br>
    where  v<b>y</b>p(<span class="pl-c1">1</span>,jp) should be v<b>z</b>p(<span
      class="pl-c1">1</span>,jp)<br>
    <br>
    best, <br>
    <br>
    Pierre-Emmanuel<br>
    <br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 2017-08-10 14:21,
      <a class="moz-txt-link-abbreviated" href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.gov</a> wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:mailman.1457.1502367700.6680.nek5000-users@lists.mcs.anl.gov">Hi,
      <br>
      the linearised version is included in the main version of the
      code. You activate perturbations by setting NPERT different from
      zero. The relevant routines in the code are collected in the file
      perturb.f.
      <br>
      <br>
      Hope this helps,
      <br>
      philipp
      <br>
      <br>
      On 2017-08-10 12:56, <a class="moz-txt-link-abbreviated" href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.gov</a> wrote:
      <br>
      <blockquote type="cite">Hi Nek Forum,
        <br>
        <br>
             How to obtain the linearised version of the Nek5000 code.
        Please advice.
        <br>
        <br>
        Thanks
        <br>
          Swarandeep
        <br>
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        <br>
        <br>
      </blockquote>
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