<div dir="auto">Yes, you are right there was some issues with the data file now it's working fine. But after executing the users function it's giving the message having issue you in dividing by zero.<div dir="auto">The code is as follows-</div><div dir="auto"><div style="font-family:sans-serif;font-size:12.8px" dir="auto"><b><span style="color:rgb(0,0,255)"><br>While running the following code-</span></b></div><div style="font-family:sans-serif;font-size:12.8px" dir="auto"><b><span style="color:rgb(0,0,255)"><br></span></b><span style="color:rgb(0,0,255)">a=addfile("Data_File.nc","r")<br>x=a->tym(0:4,:,:)<br>X=sqrt(x)<br>y=a->rf(0:4,:,:)<br>Y=sqrt(y)<br>v=a->tym(5:9,:,:)<br>V=sqrt(v)<br>w=a->rf(5:9,:,:)<br>W=sqrt(w)</span></div><span style="font-family:sans-serif;font-size:12.8px;color:rgb(0,0,255)">A1=((dim_sum_n(y,0))*(dim_sum_n(X,0)))-(dim_sum_n(x,0))*(dim_sum_n(x*y,0))/(100*(dim_sum_n(X,0))-(sqrt(dim_sum_n(x,0))))<br><br>A2=((dim_sum_n(w,0))*(dim_sum_n(V,0)))-(dim_sum_n(v,0))*(dim_sum_n(v*w,0))/(100*(dim_sum_n(V,0))-(sqrt(dim_sum_n(v,0))))<br><br>B1= (100*(dim_sum_n(x*y,0)))-(dim_sum_n(y,0))/(100*(dim_sum_n(X,0))-(sqrt(dim_sum_n(x,0))))<br><br>B2= (100*(dim_sum_n(v*w,0)))-(dim_sum_n(w,0))/(100*(dim_sum_n(V,0))-(sqrt(dim_sum_n(v,0))))<br><br>chpOnset = ((A1-A2)/(B2-B1))<br>print(chpOnset)</span><div style="font-family:sans-serif;font-size:12.8px" dir="auto"><span style="color:rgb(255,0,0)"><br></span></div><div style="font-family:sans-serif;font-size:12.8px" dir="auto"><b><span style="color:rgb(255,0,0)">I am receiving the following error-</span></b></div><div style="font-family:sans-serif;font-size:12.8px" dir="auto"><span style="color:rgb(0,0,255)"><span style="color:rgb(255,0,0)">fatal:divide: Division by 0, Can't continue<br>fatal:Div: operator failed, can't continue</span></span></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Sep 9, 2019, 17:04 Atul Saini <<a href="mailto:atulsainimail@gmail.com" target="_blank" rel="noreferrer">atulsainimail@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">Ok, I will check and let you know.<div dir="auto"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Sep 9, 2019, 17:04 Rashed Mahmood <<a href="mailto:rashidcomsis@gmail.com" rel="noreferrer noreferrer" target="_blank">rashidcomsis@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div><div>Are you sure about the data file? Why got no values for x min and max? Also why was the min and max same value for X, 5050?</div><div><br></div><div>There is no problem with function, I am sure. It's the data file that need to be checked thoroughly? If you cannot find issue with the file you would need provide the data file to the list.<br></div><div><br></div><div><br></div><div> <br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Sep 9, 2019 at 1:26 PM Atul Saini <<a href="mailto:atulsainimail@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">atulsainimail@gmail.com</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"><div>I got the following answer-</div><div><br></div><div><b>ncl 6> printVarSummary(x)<br>Variable: x<br>Type: float<br>Total Size: 6966000 bytes<br> 1741500 values<br>Number of Dimensions: 3<br>Dimensions and sizes: [time | 100] x [lat | 129] x [lon | 135]<br>Coordinates: <br> time: [ 1.. 100]<br> lat: [6.5..38.5]<br> lon: [66.5..100]<br>Number Of Attributes: 3<br> long_name : GRIDDED RAINFALL<br> _FillValue : -999<br> missing_value : -999<br>ncl 7> printVarSummary(X)<br><br>Variable: X<br>Type: float<br>Total Size: 69660 bytes<br> 17415 values<br>Number of Dimensions: 2<br>Dimensions and sizes: [129] x [135]<br>Coordinates: <br>Number Of Attributes: 1<br> _FillValue : -999<br>ncl 8> <br>ncl 9> print(x@_FillValue)<br>(0) -999<br>ncl 10> print(X@_FillValue)<br>(0) -999</b><br></div><div><div><div dir="ltr" class="m_-4805696057802406657m_2488239289788832919m_3203185856048880024gmail-m_7355181456855553179m_-7590654089155577504gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><font size="4">Regards,</font></div><div><br></div><div><img src="https://docs.google.com/uc?export=download&id=1flpEpH50fxgPRxFvuyiLu2A70K0UoFx-&revid=0Byj9ykpbAx3od3R4N016WWh0MnlGQ1JHUTg4Nk5HVmVMS2ZNPQ" width="304" height="116"><br></div><div> <br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Sep 9, 2019 at 4:46 PM Rashed Mahmood <<a href="mailto:rashidcomsis@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">rashidcomsis@gmail.com</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"><div>Why there are no values for min and max of x variable?<br></div><div>I suspect that there is something wrong with your data file, however, you should do some more checking... e.g. <br></div><div><br></div><div>printVarSummary(x)</div><div>printVarSummary(X)<br></div><div></div><div><br></div><div>print(x@_FillValue)</div><div>print(X@_FillValue)</div><div><br></div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Sep 9, 2019 at 1:11 PM Atul Saini <<a href="mailto:atulsainimail@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">atulsainimail@gmail.com</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"><div>Rashed sir,</div><div> It gives the following answer-</div><div><br></div><div><b>ncl 4> printMinMax(x,True)<br>(0) <br>(0) GRIDDED RAINFALL<br>ncl 5> printMinMax(X,True)<br>(0) <br>(0) min=5050 max=5050</b></div><div><br></div><div><div><div dir="ltr" class="m_-4805696057802406657m_2488239289788832919m_3203185856048880024gmail-m_7355181456855553179gmail-m_-7590654089155577504gmail-m_-3405623909130104277gmail-m_-8636779149036519467gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><font size="4">Regards,</font></div><div><br></div><div><img src="https://docs.google.com/uc?export=download&id=1flpEpH50fxgPRxFvuyiLu2A70K0UoFx-&revid=0Byj9ykpbAx3od3R4N016WWh0MnlGQ1JHUTg4Nk5HVmVMS2ZNPQ" width="304" height="116"><br></div><div> <br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Sep 9, 2019 at 4:38 PM Rashed Mahmood <<a href="mailto:rashidcomsis@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">rashidcomsis@gmail.com</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"><div>I do not see any problem with the lines you just posted. <br></div><div>Can you add following in the above code you wrote and let me know:</div><div><br></div><div>printMinMax(x,True)</div><div>printMinMax(X,True)</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Sep 9, 2019 at 12:18 PM Atul Saini <<a href="mailto:atulsainimail@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">atulsainimail@gmail.com</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"><div>Hello Rashed Sir,</div><div> I used dim_sum_n but it could not yield the required result at each grid point. I want to get the sum of the variable through time for all the grid points and therefore I used -</div><div><br></div><div><b>a=addfile("RFIM_1901_1902_days_rf_tym.nc","r")<br>x=a->tym(0:99,:,:)<br>X=dim_sum_n(x,0)</b></div><div><b>print(X)</b></div><div><b><br></b></div><div>Printing X doesn't provide the correct result. Please guide. Your reply is highly appreciated.<br></div><div><b></b></div><div><b><br></b></div><div><br></div><div><br></div><div><div><div dir="ltr" class="m_-4805696057802406657m_2488239289788832919m_3203185856048880024gmail-m_7355181456855553179gmail-m_-7590654089155577504gmail-m_-3405623909130104277gmail-m_-8636779149036519467gmail-m_587892381589848607gmail-m_-3604341541627214952gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><font size="4">Regards,</font></div><div><br></div><div><img src="https://docs.google.com/uc?export=download&id=1flpEpH50fxgPRxFvuyiLu2A70K0UoFx-&revid=0Byj9ykpbAx3od3R4N016WWh0MnlGQ1JHUTg4Nk5HVmVMS2ZNPQ" width="304" height="116"><br></div><div> <br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Sep 9, 2019 at 2:58 PM Rashed Mahmood <<a href="mailto:rashidcomsis@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">rashidcomsis@gmail.com</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"><div>I think you want to use dim_sum_n_wrap() or dim_sum_n() functions instead of using "sum". "sum" would result in total of everything for a variable. See the docs at the following link:<br></div><div><br></div><div><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/dim_sum_n.shtml" rel="noreferrer noreferrer noreferrer" target="_blank">https://www.ncl.ucar.edu/Document/Functions/Built-in/dim_sum_n.shtml</a></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Sep 9, 2019 at 8:55 AM Atul Saini via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" rel="noreferrer noreferrer noreferrer" target="_blank">ncl-talk@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"><div>Hi NCL Talk,</div><div> I am trying to calculate
the value for each grid using the function as explained in the script,
but at the end the result is one value only. I want the value at each grid point.<span style="background-color:rgb(111,168,220)"><b><span style="background-color:rgb(252,229,205)"><span style="color:rgb(0,0,0)"></span></span></b></span></div><div><font size="2"><span style="color:rgb(255,0,0)"><b>Script is as follows and datafile is attached herewith.</b></span></font></div><div><span style="color:rgb(0,0,255)">;begin<br>a=addfile("Data_File.nc","r")<br>x=a->tym(0:4,:,:)<br>y=a->rf(0:4,:,:)<br>v=a->tym(5:9,:,:)<br>w=a->rf(5:9,:,:)<br>A1= ((sum(y))*(sum(sqrt(x)))-(sum(x))*(sum(x*y)))/(5*(sum(sqrt(x)))-(sqrt(sum(x))))<br>B1= (5*(sum(x*y))-(sum(x)*sum(y))/(5*(sum(sqrt(x)))-(sqrt(sum(x)))))<br>A2= ((sum(w))*(sum(sqrt(v)))-(sum(v))*(sum(v*w)))/(5*(sum(sqrt(v)))-(sqrt(sum(v))))<br>B2= (5*(sum(v*w))-(sum(v)*sum(w))/(5*(sum(sqrt(v)))-(sqrt(sum(v)))))<br>chpOnset = ((A1-A2)/(B2-B1))<br>print(chpOnset)</span></div><div><span style="color:rgb(0,0,255)"><font size="2"><span style="background-color:rgb(217,234,211)"><span style="color:rgb(255,0,0)"><b>Please, help me to find out the mistake I am making. Your reply is very important to me. Thanks in advance.</b></span></span></font></span></div><div><div dir="ltr" class="m_-4805696057802406657m_2488239289788832919m_3203185856048880024gmail-m_7355181456855553179gmail-m_-7590654089155577504gmail-m_-3405623909130104277gmail-m_-8636779149036519467gmail-m_587892381589848607gmail-m_-3604341541627214952gmail-m_-6323195963944661163gmail-m_-1285333165725487570gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><font size="4">Regards,</font></div><div><br></div><div><img src="https://docs.google.com/uc?export=download&id=1flpEpH50fxgPRxFvuyiLu2A70K0UoFx-&revid=0Byj9ykpbAx3od3R4N016WWh0MnlGQ1JHUTg4Nk5HVmVMS2ZNPQ" width="304" height="116"><br></div><div> <br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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