<div dir="ltr">Dear ncl-talk<div><br></div><div>I am using <span style="color:rgb(2,83,143);font-family:"lucida sans",verdana,arial,sans-serif;font-size:20pt">obj_anal_ic </span>function to do objective analysis.<div><br></div><div>I have one question and one doubt.</div><div><br></div><div><font size="4">One question:</font></div><div>Is there anyone know about the formulation details?</div><div><br></div><div>From Dynamic meteorology_ data assimilation methods-Springer (1981), successive correction methods</div><div>have formula like </div><div><img src="cid:ii_159b943f911a5a03" alt="Inline image 1" width="371" height="63" style="margin-right: 0px;"><br></div><div><img src="cid:ii_159b9446ab187c94" alt="Inline image 2" width="350" height="103" style="margin-right: 0px;"><br></div><div>I would like to know weight function used in obj_anal_ic.</div><div><br></div><div><br></div><div><font size="4">One doubt</font></div>function obj_anal_ic (<br> zlon [*] : numeric, <br> zlat [*] : numeric, <br> z : numeric, <br> glon [*] : numeric, <br> glat [*] : numeric, <br> rscan [*] : numeric, <br> option [1] : logical <br> )<br><br>About the option, if it is true the value will be <br><br>new_value(n) = blend_wgt(n)*current_estimate + (1-blend_wgt(n))*value(n-1)<br><br>if it is set false, the function will run in default mode.<br><br>So what does the default mode mean?<br><br>Does it mean blend_wgt = 1.0?<div><br></div><div>Thank you.</div><div><br></div><div>Tao</div><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:12.8px"><span style="font-size:small;font-family:arial">******************************</span><span style="font-size:small;font-family:arial">************************</span><br></div><div><span style="font-size:small;font-family:arial">Tao Lu (M. Eng)</span></div><div><span style="font-family:arial,helvetica,sans-serif;font-size:12.8px">Laboratory of River Engineering and Hydrology,</span><br style="font-family:arial;font-size:small"><span style="font-size:small;font-family:arial">Dept. of Civil and Environmental Engineering,</span><br style="font-family:arial;font-size:small"><span style="font-family:arial,helvetica,sans-serif;font-size:12.8px">Graduate School of Science and Engineering,</span><br style="font-family:arial;font-size:small"><span style="font-size:small;font-family:arial">Chuo University</span><br style="font-family:arial;font-size:small"><span style="font-size:small;font-family:arial"> </span><br style="font-family:arial;font-size:small">1-13-27<span style="font-size:small;font-family:arial">,Kasuga,Bunkyo-ku,Tokyo</span><br style="font-family:arial;font-size:small"><span style="font-size:small;font-family:arial">112-8551, Japan</span><br style="font-family:arial;font-size:small"><span style="font-size:small;font-family:arial">TEL: </span>03-3817-1805<font size="2" face="arial, helvetica, sans-serif"><span lang="EN-US">; </span></font><span style="font-family:arial,helvetica,sans-serif;font-size:small">Phone: 070-2188-7509</span><br style="font-family:arial;font-size:small"><span style="font-size:12.8px">Email1: </span><a href="mailto:mail%3Amet.yamos@gmail.com" style="font-size:12.8px;color:rgb(17,85,204)" target="_blank">hakufu.asano@gmail.com</a><br style="font-size:12.8px"><span style="font-size:12.8px">Email2: </span><a href="mailto:mail%3Ayamoto@civil.chuo-u.ac.jp" style="font-size:12.8px;color:rgb(17,85,204)" target="_blank">lutao@civil.chuo-u.ac.jp</a><br style="font-family:arial;font-size:small"><span style="font-size:small;font-family:arial">******************************</span><span style="font-size:small;font-family:arial">***********************</span><span style="font-size:12.8px"><br></span></div></div></div></div></div></div></div></div>
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