<div dir="ltr"><div>  See attached</div><div><br></div><div>%> ncl tst_dim_dot_n.ncl</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Aug 13, 2020 at 9:24 PM M P via ncl-talk <<a href="mailto:ncl-talk@mailman.ucar.edu">ncl-talk@mailman.ucar.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hello,<div>I have two arrays a(:,:,:), b(:,:,:), third dimension being vertical.  I want to obtain a dot product along  the third index i.e. </div><div>c(i,j) = sum[a(i,j,k)*b(i,j,k)]_k=bottom,top.<br></div><div>I tried dim_sum_n but probably incorrectly and it produces wrong results.</div><div>Can you advise?</div><div>Thanks,</div><div>Mark</div></div>
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