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UNIX for Beginners Questions & Answers
Matrix multiplication
Post 302968121 by RudiC on Friday 4th of March 2016 02:32:34 AM
03-04-2016
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1. Linux
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. (1 Reply)
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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++) (2 Replies)
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Hi,
I am writing a script in Bourne shell
#!/bin/sh
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total=`quota -v | tail -1 | awk '{print $3}'`
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Hello, all!
I am struggling with a short script to read a diagonal matrix for later retrieval.
1.000 0.234 0.435 0.123 0.012 0.102 0.325 0.412 0.087 0.098
1.000 0.111 0.412 0.115 0.058 0.091 0.190 0.045 0.058
1.000 0.205 0.542 0.335 0.054 0.117 0.203 0.125
1.000 0.587 0.159 0.357... (11 Replies)
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Hi,
I would like to carry out a multiplication in a for loop but some how I get always zero. The result of the multiplication must be assigned to the variable x.
Here is teh code
for (( i=1;i<=15;i++)); do
x=$( printf "%s\n " 'scale = 10; i*5.0*335.0*3.0/1000.0' | bc)
echo $x $i... (5 Replies)
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Hi,
i have file1 which looks like:
x1 y1 z1
x2 y2 z2
...(and so on)
and file2 which looks like:
a11 a12 a13
a21 a22 a23
a31 a32 a33
and i want to replace file1 with the following values:
x1' y1' z1'
x2' y2' z2'
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7. Ubuntu
Hi all,
Is there a way to convert full data matrix to linearised left data matrix?
e.g full data matrix
Bh1 Bh2 Bh3 Bh4 Bh5 Bh6 Bh7
Bh1 0 0.241058 0.236129 0.244397 0.237479 0.240767 0.245245
Bh2 0.241058 0 0.240594 0.241931 0.241975 ... (8 Replies)
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8. Programming
Hi all, newbie here.
Does anyone know if it is possible to use GCC or Clang to multiply
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Hi there! I have two files like below
File1(with a header, ~1000 rows, ~50 columns)
ID1 ID2 ID3 ID4 ID5 MI1_A MI1_H MI2_A MI2_H
0 1 0 0 0 1 0 2 1
0 2 0 0 0 2 1 0 1
File2 (without a header, ~50 rows)
MI1 A 0.4 3.1
MI2 B -0.2 0.1
Output
ID2 M1_A M2_A
1 1*0.4 2*-0.2
2 2*0.4 0*-0.2
... (22 Replies)
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10. Homework & Coursework Questions
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
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LEARN ABOUT CENTOS
suffix2instance
SUFFIX2INSTANCE(8) System Manager's Manual SUFFIX2INSTANCE(8) NAME
suffix2instance - Directory Server script for finding a backend name SYNOPSIS
suffix2instance [-Z serverID] -s suffix [-h] DESCRIPTION
Maps a suffix to a backend name. This script can be run while the server is running, or stopped. OPTIONS
A summary of options is included below: -Z Server Identifier The server ID of the Directory Server instance. If there is only one instance on the system, this option can be skipped. -s Suffix DN The suffix DN to be mapped to a backend name. Example: "dc=example,dc=com" -h Display the usage. EXAMPLE
suffix2instance -s 'dc=example,dc=com' suffix2instance -Z instance3 -s 'dc=example,dc=com' DIAGNOSTICS
Exit status is zero if no errors occur. Errors result in a non-zero exit status and a diagnostic message being written to standard error. AUTHOR
suffix2instance was written by the 389 Project. REPORTING BUGS
Report bugs to http://bugzilla.redhat.com. COPYRIGHT
Copyright (C) 2013 Red Hat, Inc. Mar 5, 2013 SUFFIX2INSTANCE(8)