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Hi Scott,

Thanks for your reply. As I am having my input as angles in the range of -180 to 180 in degrees, how can I convert this angle in to x and y? Since atan2() function will be taken in the...

Hello All,

I need your help in the following situation. I have a 100x100 matrix with angle values ranging from -180 to 180. I would like to calculate the atan2 values for the above mentioned...

Here is my input file (first few line only., it has more than 500 lines)


Average 10 15 20 25 30 35 40 45
13.622 25 16 14 8 7 6 4 4
12.695 15 9 7 6...

awk '{for(i=2; i<=NF; i++) {if($i > 5 && $(i+1) < 5) print $1=(i*5); else print ""}}' inputfile > outputfile


Yes the above-code print i*5; instead of that I would like to print only the header...

Sorry, Could you please explain me.

Dear All,

Good Day. I would like to solve the following issue and got some strange results, if anyone could help me in this regard, you are most welcome.

Here is the problem:

I have a file...

Hi All,

I have a file with more than 2000 columns and I would like to print each column 3 times, so that I will get a file like col1 col1 col1 col2 col2 col2 ........coln coln coln.

I have...

Hi All,

I have a question. I need to add 3 matrices of size 2000 x 2000. (i.e) 2000 rows and 2000 columns using Perl::PDL module. I used the following perl script

#!/usr/bin/perl -w
use...

Hi Rudi,

Thanks for the reply, since my input is having 1000 rows, i pasted only first few lines.

-Fredrick.

Hi Rudi,

Thanks for your reply. I just tried with only two columns (for testing). here is the input:


1 2
2 3
3 3
4 3
5 3
6 3
7 2
8 3
...

Hello All,

I need your help in the following problem. I have a matrix of 500 columns and 1000 rows and in each cell, it is having a value range from 0 to 9. I would like to convert each column in...

Thanks Rudi, the following code works fine.


awk '{for (i=2;i<=NF;i++) if (($i-$1)>2 && $i-$(i-1)>2) print "line ", NR, ", field ", i}' infile

How can I change the code, if i need an absolute...

Thanks elixir sinari, The output should be the number., like [1,2] or [4,5]..etc. It should be the matrix element number.

---------- Post updated at 01:28 PM ---------- Previous update was at...

Hi Pamu,

Thanks for your reply.

But the problem here is, irrespective of the value in the condition, I need to write the matrix element (that means, the row and column number) in the output...

Hi All,

I would like to check a condition in a nxm matrix and if the condition satisfies then, I need to write the matrix element in the output file.

For example, I have a matrix like this:
1...

Dear All,

I have a file with 1s and 0s with tab delimited file of approximately 535 lines and 1000 columns. I would like to print the lines, which are having 1s in it and i don't want to print the...

Thank you ahmad.diab and pludi., its working fine.

warm regards
Fredrick.

---------- Post updated at 01:36 PM ---------- Previous update was at 09:57 AM ----------

Hi All,

To continue...

Hello All,

Thank you very much for your replies. Its working fine.

In addition to the above query, I would like to extend the same from 'n' columns. That is, I have a file with 100 lines with...

Thank you very much for your reply cmf1985. Its working fine.

Warm regards
Fredrick.

Hi Pludi,

Thank you very much for your reply. I have tried the following code:

#!/usr/bin/perl -W

use strict;
use warnings;

while ( my $line = <DATA> ) {
my @cols = split / /,...

Hi All,

I have a file of 100 lines of each having 1000 columns. I need to find the difference of each column against each other. That means, Col1-Col1; Col1-Col2; Col1-Col3;......Col1-Col1000;...

Hi All,

I have a file with only one column and i need to subtract the adjacent lines of the same column and print it in the same column.

For Example:
(Input)
Col1

5
10
12
6
9
12
5...

Hi All,

I would like to assign the following values to each column in my file.

if $i is between 1 and -1 (ie -1 < $i < 1) then print A;
if $i is between -2 and -1 && 1 and 2 (ie. -2 < $i < -1...

Thank you very much "cfajohnson", the following code is working perfect.

file=/path/to/file
delimiter=' '
cut -d "$delimiter" -f 1-100 "$file"

---------- Post updated at 11:22 AM ----------...

Hello All,

I have a file of 1000 columns. I need to print only the first 100 columns in to a new file. I have tried with the following code

awk -F '{ for(i=0; i<=100; i++) {printf $i}'...