Multiplication of two matrices Post: 302967822

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1. Linux

Multiplication with Fractions

Hello there, how do i multiply a fraction and a whole number? Example 20% of 50,000. I had gotten 0.2 using the following: chk=echo 20 100 | awk `{print $1/$2}` echo $chk $chk \* 50000 displays the error: non-numeric expression.

2. Shell Programming and Scripting

using awk multiplication

Suppose i have a file A 1*2*3*4 2*4*4*22 and second file B 2*3*4*5 4*4*6*7 By multiplying file A by file B that is file A by first column in file B respectively output shud be 2*6*12*20 8*16*24*154 my code is =$1 next } {for (f=1;f<=NF;f++)

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Hi, I am writing a script in Bourne shell #!/bin/sh used=`quota -v | tail -1 | awk '{print $2}'` total=`quota -v | tail -1 | awk '{print $3}'` echo "$used" echo "$total" perc=`expr ${used} / ${total} * 100 | bc` echo "$perc" I want to get a percentage of quota used to total limit I...

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Multiplication using bc in a for loop

Hi, I would like to carry out a multiplication in a for loop but some how I get always zero. The result of the multiplication must be assigned to the variable x. Here is teh code for (( i=1;i<=15;i++)); do x=$( printf "%s\n " 'scale = 10; i*5.0*335.0*3.0/1000.0' | bc) echo $x $i...

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Hi all, newbie here. Does anyone know if it is possible to use GCC or Clang to multiply two unsigned numbers and have it use for intel instructions, the mull instruction or an imul. I can't figure how to word this to accomplish this task: (int)(((unsigned long long)result * (unsigned)2290649225)...

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Vector base Cosine Similarity for two Matrices -- R in UNIX

Dear All, I am facing a problem and I would be Thankful if you can help Hope this is the right place to ask this question I have two matrices of (row=10, col=3) and I want to get the cosine similarity between two lines (vectors) of each file --> the result should be (10,1) of cosine measures I...

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Hi, I can't find out how to create correct code to get multiplication of each elements of array. Let's say I enter array into command line (2 3 4 5 6 8) and i need output 2*3*4*5*6*8=5760. I tried this one, but answer is 0. for i in $@; do mult=$((mult*i))done echo "mult: " $mult ...

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Merge matrices

Hello all, I have square matrices that look like the following, I want to merge these matrices together, and add the file names as headers. This is a simple example with two variables, actually I have ~1500 variables and 10 files. The order of variables in the matrices are consistent. Please...

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Matrix multiplication

I have two files. Row id in File1 matches the column id in file2 (starting from column7 )except the last 2 characters. File1 has 50 rows and File 2 has 56 columns. If the id matches I want to multiply the value in column3 of File1 to the entire column in File2. and in the final output print only...

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Multiplication Table in UNIX

How can I produce this kind of output? Enter a number: 3 MULTIPLICATION TABLE: 0 1 2 3 1 1 2 3 2 2 4 6 3 3 6 9 When you enter a number, it should show you the corresponding multiplication table. Plus we need to use for loops that I do not actually know. Thanks in advance! Here is my...

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net::google::code::issue::attachment

Net::Google::Code::Issue::Attachment(3pm)		User Contributed Perl Documentation		 Net::Google::Code::Issue::Attachment(3pm)

NAME

       Net::Google::Code::Issue::Attachment - Issue's Attachment

DESCRIPTION

       This class represents a single attachment for an issue or an issue's comment.

INTERFACE

       parse( HTML::Element or [ HTML::Element, HTML::Element ] or html segment string )
	   there're 2 trs that represent an attachment like the following:

	    <tr><td rowspan="2" width="24"><a href="http://chromium.googlecode.com/issues/attachment?aid=-1323983749556004507&amp;name=proxy_settings.png" target="new"><img width="16" height="16" src="/hosting/images/generic.gif" border="0" ></a></td>
	    <td><b>proxy_settings.png</b></td></tr>
	    <tr><td>14.3 KB

	    <a href="http://chromium.googlecode.com/issues/attachment?aid=-1323983749556004507&amp;name=proxy_settings.png">Download</a></td></tr>

       parse_attachments( HTML::Element or html segment string )
	   given the <div class="attachments">...</div> or its equivalent HTML::Element object, return a list of Net::Google::Code::Attachment
	   objects.

       name
       content
       size
       url
       id
       content
       content_type

AUTHOR

       sunnavy	"<sunnavy@bestpractical.com>"

LICENCE AND COPYRIGHT

       Copyright 2008-2010 Best Practical Solutions.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.10.1							    2010-04-07				 Net::Google::Code::Issue::Attachment(3pm)

10 More Discussions You Might Find Interesting

1. Linux

Multiplication with Fractions

Discussion started by: alby

2. Shell Programming and Scripting

using awk multiplication

Discussion started by: cdfd123

3. UNIX for Dummies Questions & Answers

Exact Multiplication

Discussion started by: desai.rishabh

4. UNIX for Dummies Questions & Answers

Multiplication using bc in a for loop

Discussion started by: f_o_555