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Hi Greg,<br>
<br>
you can use the conform function to copy the 1D-array to a 2D-array.<br>
<br>
<font color="#3333ff"><tt>nx = 8</tt><tt><br>
</tt><tt>ny = 10<br>
<br>
</tt><tt></tt><tt>values = fspan(40.,452.,ny)</tt><tt><br>
<br>
</tt><tt>a = conform_dims((/ny,nx/),values,0)</tt></font><br>
<br>
Bye,<br>
Karin<br>
<br>
<div class="moz-cite-prefix">Am 31.01.19 um 10:04 schrieb Alessandra
Giannini:<br>
</div>
<blockquote type="cite"
cite="mid:294F6740-1D33-48CA-935B-B52F740A83AA@iri.columbia.edu">
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<div class=""><br class="">
</div>
<div class="">onedtond!!!</div>
<div class=""><br class="">
</div>
<a
href="http://www.ncl.ucar.edu/Document/Functions/Built-in/onedtond.shtml"
class="" moz-do-not-send="true">http://www.ncl.ucar.edu/Document/Functions/Built-in/onedtond.shtml</a>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
<div class="">
<div dir="auto" style="caret-color: rgb(0, 0, 0); color:
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<div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0,
0); font-family: Helvetica; font-size: 12px; font-style:
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letter-spacing: normal; text-align: start; text-indent:
0px; text-transform: none; white-space: normal;
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text-decoration: none;">— <br class="">
Alessandra Giannini<br class="">
IRI for Climate and Society - The Earth Institute at
Columbia University<br class="">
P.O. Box 1000, Palisades NY 10964-8000, U.S.A.</div>
<div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0,
0); font-family: Helvetica; font-size: 12px; font-style:
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text-decoration: none;"><br class="">
currently at:<br class="">
LMD - École Normale Supérieure <br class="">
24, Rue Lhomond 75231 PARIS CEDEX 05, France<br class="">
</div>
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</div>
<div><br class="">
<blockquote type="cite" class="">
<div class="">On Jan 30, 2019, at 5:28 PM, Greg Thompson
<<a href="mailto:gthompsn@ucar.edu" class=""
moz-do-not-send="true">gthompsn@ucar.edu</a>> wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<div dir="ltr" class="">
<div dir="ltr" class=""><br class="">
<div class="">I am struggling (feeling dumb) that I
cannot figure out how to write a one-line efficient
solution to copy a 1D vector of latitude to all the
columns of a 2D grid since the values (of latitude)
are constant across my grid in the X-direction.</div>
<div class=""><br class="">
</div>
<div class="">So what I have is this</div>
<div class="">
<div class="">ny = 8</div>
<div class="">nx = 10</div>
<div class="">a = new( (/ny,nx/), float)</div>
<div class="">a = 0.</div>
<div class="">a(:, 0) = fspan(40., 42., ny)</div>
<div class="">do n = 1, nx-1</div>
<div class=""> a(:, n) = a(:,0)</div>
<div class="">end do</div>
</div>
<div class=""><br class="">
</div>
<div class="">but that DO-n loop is slow as nx grows
large and I thought there was an elegant solution in
NCL to treat this array manipulation.</div>
<div class=""><br class="">
</div>
<div class="">Any thoughts?</div>
<div class="">Thanks!!!</div>
<div class=""><br class="">
</div>
<div class="">Greg</div>
<div class=""><br class="">
</div>
</div>
</div>
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