HOw do i find indices of 'NAN' rows in excel raw file in matlab?

I have raw excel file imported in matlab.It is a 5x5 raw file.There are cells where there are 'NAN'in it .I have to find the indices of the 'NAN' rows in the raw file. Can anyone help me to solve this?

I have attached my raw file

[Jan]

What is a "raw excel file"? Where are these "NaN" 's displayed? Are they strings? Is this the array browser of Matlab?

[sachin narain]

YEs .This is a browser of matlab.NAN's are but empty spaces in excel.In matlab it shows as NAN.

Answer 1

[KSSV]

YOu can get the NaN's position using: isnan

Rea dabout isnan for logical indexing. Also have a look on find.

A = [1 2 NaN 4 NaN] ;
idx = isnan(A)   %logical indexing 
pos = find(idx)  % indices