<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body style="-ms-word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div><div style="font-family: Calibri,sans-serif; font-size: 11pt;">Thanks </div></div><div dir="ltr"><hr><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">From: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:jadams21@gmu.edu">Jennifer M Adams</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Sent: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">19/04/2017 10:33 PM</span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">To: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:uknac23@yahoo.com">ugo okoro</a>; <a href="mailto:gradsusr@gradsusr.org">GrADS Users Forum</a></span><br><span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Subject: </span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">Re: [gradsusr] With respect to comparison.</span><br><br></div>
You just need to use the lterp() function to regrid one of those variables to the other’s grid. For example,
<div><br>
</div>
<div>ga-> display w105-lterp(k1,w105)</div>
<div><br>
</div>
<div>—Jennfier</div>
<div><br>
<div>
<div><br>
<div>
<div>On Apr 18, 2017, at 3:12 AM, ugo okoro <<a href="mailto:uknac23@yahoo.com">uknac23@yahoo.com</a>> wrote:</div>
<br class="Apple-interchange-newline">
<blockquote type="cite">
<div>
<div style='font-family: "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);'>
<div tabindex="0" id="yui_3_16_0_ym19_1_1492408494242_79860" style='outline: 0px; width: 1083px; padding-top: 12px; padding-left: 0px; font-family: "Helvetica Neue", "Segoe UI", Helvetica, Arial, "Lucida Grande", sans-serif; font-size: 13px; display: table; box-sizing: border-box;'>
<div id="yui_3_16_0_ym19_1_1492408494242_79861" style="width: auto; display: table-cell; -ms-word-wrap: break-word;">
<div id="yui_3_16_0_ym19_1_1492408494242_79862">
<div id="yui_3_16_0_ym19_1_1492408494242_79863">
<div id="yui_3_16_0_ym19_1_1492408494242_79864" style='font-family: "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; font-size: 16px;'>
<div id="yui_3_16_0_ym19_1_1492408494242_79865"><span id="yui_3_16_0_ym19_1_1492408494242_79866">Dear All,</span></div>
<div id="yui_3_16_0_ym19_1_1492408494242_79867"><br id="yui_3_16_0_ym19_1_1492408494242_79868" clear="none">
</div>
<div id="yui_3_16_0_ym19_1_1492408494242_79869"><span id="yui_3_16_0_ym19_1_1492408494242_79870">A better description of my problem is,</span></div>
<div id="yui_3_16_0_ym19_1_1492408494242_79871" dir="ltr"><span id="yui_3_16_0_ym19_1_1492408494242_79872">I want to the difference between a model ppt output and observation data with different resolutions. The model has data over the both land and ocean whereas
the observation has land only. But I only need the difference over land. I have regridded the model output
<b id="yui_3_16_0_ym19_1_1492408494242_79975">successfully</b> but find it very difficult to get the difference between the two as this is my error message:</span></div>
<div id="yui_3_16_0_ym19_1_1492408494242_79873" dir="ltr"><br id="yui_3_16_0_ym19_1_1492408494242_79874" clear="none">
</div>
<div id="yui_3_16_0_ym19_1_1492408494242_79875" dir="ltr">Error in gagchk: axis sizes are not the same</div>
<div id="yui_3_16_0_ym19_1_1492408494242_79876" dir="ltr">Operation error: Incompatable grids</div>
<div id="yui_3_16_0_ym19_1_1492408494242_79877" dir="ltr"> Error ocurred at column 8</div>
<div id="yui_3_16_0_ym19_1_1492408494242_79878" dir="ltr">DISPLAY error: Invalid expression</div>
<div id="yui_3_16_0_ym19_1_1492408494242_79879" dir="ltr"></div>
<div id="yui_3_16_0_ym19_1_1492408494242_79880" dir="ltr"> Expression = w105-k1</div>
<div id="yui_3_16_0_ym19_1_1492408494242_79881" dir="ltr"><br id="yui_3_16_0_ym19_1_1492408494242_79882" clear="none">
</div>
<div id="yui_3_16_0_ym19_1_1492408494242_79883" dir="ltr">Thanks.</div>
<div id="yui_3_16_0_ym19_1_1492408494242_79884"></div>
<div id="yui_3_16_0_ym19_1_1492408494242_79885"> </div>
<div id="yui_3_16_0_ym19_1_1492408494242_79886">
<div id="yui_3_16_0_ym19_1_1492408494242_79887">
<div id="yui_3_16_0_ym19_1_1492408494242_79888" dir="ltr"><font id="yui_3_16_0_ym19_1_1492408494242_79889" size="2">Ugo Okoro</font></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
_______________________________________________<br>
gradsusr mailing list<br>
<a href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a><br>
http://gradsusr.org/mailman/listinfo/gradsusr<br>
</blockquote>
</div>
<br>
<div apple-content-edited="true">
<div style="color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; -ms-word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; -webkit-text-stroke-width: 0px;">
<div style="color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; -ms-word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; -webkit-text-stroke-width: 0px;">
<div style="font-size: 12px; orphans: 2; widows: 2;">--</div>
<div style="font-size: 12px; orphans: 2; widows: 2;">Jennifer Miletta Adams<br>
Center for Ocean-Land-Atmosphere Studies (COLA)<br>
George Mason University<br>
<br>
<br>
</div>
</div>
</div>
</div>
<br>
</div>
</div>
</div>
</body></html>