Next time please use [code ][/code ] tags for pre-formatted text (output/code/...)
I'm using an inline file here, so you'll have to adapt it if you want the file from the command line or where ever. First key of %data is the row, second is the column.
Hi everybody,
I have a matrix called @matrix dinamically built in PERL, so I don't know its exact sizes. It is a 2-dimensional matrix, so its elements are for example:
$matrix
$matrix
$matrix
$matrix
$matrix
etc...
I know i can get the number of the rows of the matrix with the... (2 Replies)
Hello guys,
I have in PERL an associative 2-dimensional array, called matrix. The array (actually the matrix) is made up like this
matrix = x;
matrix = y;
matrix = w;
matrix = z;
...
but the names a, b, c, d are set just at runtime.
The question is: how can i get all the keys of... (2 Replies)
hi there
I'm very new in programing and i've started with awk.
I'm processing 200 data files and I need to do some precessing on them.
The files have 3 columns with N-lines
for each line a have on the first and second value is the same for all the files and only the third is variable. like... (2 Replies)
I have columnar data in arrays perl, Example -
@a = (1,2,3);
@array1 = (A,B,C);
@array2 = (D,E,F);
@array3 = (I,R,T);
I want the data to be formatted and printed as
1 A D I
2 B E F
3 C F T
and so on... (8 Replies)
Greetings, salutations.
I have a 3 column csv file with ~13 million rows and I would like to generate a correlation matrix. Interestingly, you all previously provided a solution to the inverse of this problem. Thread title: "awk? adjacency matrix to adjacency list / correlation matrix to list"... (6 Replies)
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 strict;
use warnings;
use PDL;
use PDL::Matrix;
if ( @ARGV != 3 ) {
die 'Two matrix files are... (1 Reply)
Dear all,
I'm new in perl scripting and I'm trying to creating a matrix from a 3 column file sorting data in a particular manner. In the final matrix I need to have the first column "IDs" on the header of the columns and the second column values on the header of each row. And the value fo the... (2 Replies)
Hello all,
I have a tricky question! (at least for me it is!). I'll try to explain it carefully here. Hope you can help me solving the whole or even parts of it! Here it is:
I have a big input 0\1 table as a very simplified one is shown below:
(The last row and column are the sum and... (0 Replies)
SPLIT(1) General Commands Manual SPLIT(1)NAME
split - split a file into pieces
SYNOPSIS
split [ option ... ] [ file ]
DESCRIPTION
Split reads file (standard input by default) and writes it in pieces of 1000 lines per output file. The names of the output files are xaa,
xab, and so on to xzz. The options are
-n Split into n-line pieces.
-e expression
File divisions occur at each line that matches a regular expression; see regexp(6). Multiple -e options may appear. If a subex-
pression of expression is contained in parentheses (...), the output file name is the portion of the line which matches the subex-
pression.
-f stem
Use stem instead of x in output file names.
-s suffix
Append suffix to names identified under -e.
-x Exclude the matched input line from the output file.
-i Ignore case in option -e; force output file names (excluding the suffix) to lower case.
SOURCE
/sys/src/cmd/split.c
SEE ALSO sed(1), awk(1)grep(1), regexp(6)SPLIT(1)