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In Windows 7, I need to use Maple to export the Tex code into a text file.
In Command-line Maple, I type latex(LambertW(x), "C:/Users/Bravo/Desktop/out.txt"); to do this, but the result is:
{\rm W} \left(x\right)
That is not right, why does it happen ? Is there any method to solve this problem ?
Yeah, that is a bug in Maple. You can try latex(subs(LambertW=lambertW,erf=Erf,arctanh=Artanh,LambertW(x)));
Reference: http://www.mapleprimes.com/questions/201975-Maple-Error-Using-Latex-Command-How-To-Resolve#comment207767
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I have a problem to cd into my usb drive (F:) using PowerShell and I can't use variables becouse I am starting PowerShell with Start-Process. I tried using
cd (Get-Volume -FileSystemLabel NameOfUsb).DriveLetter:
and it almost works but "F" has a space after it and ":" is in new line so it spits out error.
Is there any way to do it? It don't have to be using that method
You really should include the full Start-Process line you are trying to run. However, this should do what you want.
cd "$((Get-Volume -FileSystemLabel NameOfUsb).DriveLetter):\"
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I am trying to run this code, but have reached a dead end due to my inexperience.
http://dde.binghamton.edu/download/camera_fingerprint/
The code is trying to call the Cpp fucntion mdwt in MATLAB, and that gives error. I changed the function call in MATLAB to coder.ceval but that gives the error "Too many output arguments." I would be grateful to anyone who would point out what I am doing wrong in implementing this code. Thanks in advance!
These files are source code for mex functions, which can be compiled using the mex command. The compile.m from the zip file contains the necessary commands to compile the mex files.
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Could you please tell me what this line do of sed
the expression is on the title
Thank you
Best regards
It replaces everything on the line with the number immediately following "-svn".
eg.:
blahblabhlabhlabhalbh-svn12345blahblhablhab
is replaced by:
12345
It's matching a string of [anything]-svn[numbers][anything], and replacing the line with the [numbers].
For example:
asda-svn123123bebeb
Gets replaced with
123123
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I have this string
$eq= "ew';##rfhnbgsu.,/><hdjsdedokk";
By Perl I want to extract just the characters w, h, n, s, and f from the string.
The output should be like this
whhfnss
Could you help me?
say $s =~ /[whnsf]/g;
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For those that have experience in PowerShell, is this considered to be a valid variable name?
Code:
$[?#+-stuff] is a valid variable name in PowerShell.
It's a valid? Yes, if you wrap it inside curly brackets. This is required because of the special characters.
${[?#+-stuff]} = "foo"
Is it a good name? No. You should keep it simple..
If you made an effort to research it you would have figured it out yourself.
Check of the help documentation the #mjolinor suggested. Especially the part called:
VARIABLE NAMES THAT INCLUDE SPECIAL CHARACTERS
We're all here to help each other, so please show us some respect and behave like a grown-up.