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LaTeX output not copied to FILE ! Why? 
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#1
Nov504, 06:23 AM

P: 206

I am just getting started on LateX and here is what I have done
I typed in this trial file and saved it. Then at the prompt typed latex myfile where myfile is the name of the file...... \documentclass{article} \begin{document} psi\mapsto 1/2\,m{\omega}^{2}{x}^{2}\psi \end{document} A whole bunch of stuff came up and then it said "No output pages" and then "Transcript copied to myfile.log." I am using XP. What do I have to do to see the following output in a file? [tex] H:=psi\mapsto \frac{1}{2}\,m{\omega}^{2}{x}^{2}\psi [/tex] I am getting the hang of the coding.. [tex] shro:=\frac{1}{2}\,{\frac {{h}^{2}{\frac {d^{2}}{d{x}^{2}}}\psi \left( x \right) }{ m}}+\frac{1}{2}\,m{\omega}^{2}{x}^{2}\psi \left( x \right) =E\psi \left( x \right) [/tex] [tex] \frac{h \omega\}{2}\,left( {\frac {d^{2}}{d{y}^{2}}}\psi \left( y \right) \right) +\frac{1}{2}\,\omega\,{y}^{2}h\psi \left( y \right) =E\psi \left( y \right) [/tex] James 


#2
Nov504, 06:28 AM

P: 206

WOW, that really does look nice eh ?
Man, I wish it would just work on my system 


#3
Nov504, 06:46 AM

PF Gold
P: 560

Try \documentclass[12pt, letterpaper]{article}
Just a shot in the dark. Edit make sure you denote any math by $delimiters. You have a few choices: (I'll list a few) $x^2$ \begin{displaymath}x^2\end{displaymath} Make sure your read some of the LaTeX documentation, plenty of it on the internet. Any TeX distribution will come with a short introduction to LaTeX (it's a PDF file), along with the AMS Math documentation (very well written). 


#4
Nov504, 06:53 AM

P: 206

LaTeX output not copied to FILE ! Why?
Where would I put this?
$x^2$ \begin{displaymath}x^2\end{displaymath} why? and what does it do? 


#5
Nov504, 07:16 AM

P: 678

The other mode is \begin{displaymath} ... \end{displaymath}, which I think can also be written in shorthand as \[ ... \]. This mode places the math onto a separate line. When writing LaTeX on this board, these modes are implicitly already in use; math mode produces the same formatting as using "itex" tags here, and displaymath mode produces the same formatting as using "tex" tags. If you aren't in either of these modes then a lot of the math symbols are not defined and so will generate errors when you try to compile the document. This would explain why you aren't getting any output. 


#6
Nov504, 07:27 AM

P: 206

I am trying to get the output on more than one line...how do I split it up?
[tex] \\shro1:=1/2\,{\frac {{h}^{2}{\frac {d^{2}}{d{x}^{2}}}\psi \left( x \right) }{ m}}=E\psi \left( x \right)\\1/2\,{\frac {{h}^{2}{k_{{1}}}^{2}}{m}} [/tex] [tex] 1/2\,{\frac {{h}^{2}{\frac {d^{2}}{d{x}^{2}}}\psi \left( x \right) }{ m}}+{\it V0}\,\psi \left( x \right) =E\psi \left( x \right) [/tex] I can do it on here but in latex, separating the lines using \\ does not seem to work \documentclass{article} \begin{document} \begin{displaymath} \\shro1:=1/2\,{\frac {{h}^{2}{\frac {d^{2}}{d{x}^{2}}}\psi \left( x \right) }{ m}}=E\psi \left( x \right)\\1/2\,{\frac {{h}^{2}{k_{{1}}}^{2}}{m}}\\1/2\,{\frac {{h}^{2}{\frac {d^{2}}{d{x}^{2}}}\psi \left( x \right) }{ m}}+{\it V0}\,\psi \left( x \right) =E\psi \left( x \right) \end{displaymath} \end{document} 


#7
Nov604, 07:31 AM

P: 206

I am trying to produce equations one line after another rather than side by side but it won't work. Is the class type wrong? AM I giving the wrong begin and end commands?
This is really frustrating ! [tex] \begin{eqnarray} f(x) & = & \cos x \\ f’(x) & = & \sin x \\ \int_{0}^{x} f(y)dy & = & \sin x \end{eqnarray} [/tex] 


#8
Nov604, 11:33 AM

P: 678

Put the equations you want on two different lines into two separate displaymath sections.



#9
Nov604, 09:43 PM

P: 206

Got it..thanks again !



#10
Nov604, 09:45 PM

P: 206

One last question for now...how do I put tables into latex. Here is what I got...I would want the actual table to be left aligned but the table itself(not the columns) are center aligned on the page...ALL of THE TABLES !
Here is what I am using \begin{center} \begin{tabular}{ccc} \hline Biased Voltage & \multicolumn{2}{c}{Recorded data}\\ \cline{23} & Voltage drop across diode(mV) & Voltage drop across resistor(mV)\\ \hline 0.00 & 0.006432 & 0.006394\\ 5.01 & 4.5550 & 0.691\\ 10.01 & 9.0899 & 1.023\\ 15.03 & 13.648 & 1.744\\ 20.00 & 18.166 & 1.939\\ 25.06 & 22.752 & 1.984\\ 30.00 & 27.235 & 3.813\\ 35.04 & 31.810 & 2.979\\ 40.00 & 36.353 & 3.859\\ \hline \end{tabular} \end{center} Also, once I haev created a .dvi file is there some special way to print or can it be done just by file print? 


#11
Nov604, 10:10 PM

P: 206

It won' t print a .dvi file! How do I print? This is urgent.



#12
Nov704, 12:47 AM

PF Gold
P: 560

If you're using MiKTeX, it comes with a DVI previewer called Yap. If you're not, then get Yap. Another option that you should be aware of is you can render to PDF files by using pdflatex. Depending on the TeX editor you are using, it should be easy to choose how you would like to render.



#13
Nov704, 05:57 AM

P: 989

James, your sourcecode is good!, however the command:
\begin{tabular}{ccc} means three columns that are center 'c' aligned. I believe you want to substitute this command: \begin{tabular}{lll} 'l' for left aligned, instead of 'c' centered. Reference: http://www.astro.ku.dk/help/LaTeX/ltx68.html 


#14
Nov704, 06:15 AM

P: 206

GOT it....PDF LATEX works ! That is one big relief !
Now, I have tried the lll rather than ccc but this not only moves the table to the left as I want but it ALSO realigns the headings thus MOVING them also to the left which is what I don' t want. 


#15
Nov704, 06:42 AM

P: 206

Is there some way to remove the center "indent" that seems to exit for the tables?
And also, the first line of page 1 seems to start with two or three blank spaces before the first word appears. Is that customary? 


#16
Nov704, 07:26 AM

P: 989

James, try these substituted commands:
\begin{tabular}{lll} & \multicolumn{1}{c}{Voltage drop across diode(mV)} & \multicolumn{1}{c}{Voltage drop across resistor(mV)}\\ Let me know if these commands work. Reference: http://www.informatica.us.es/~calvo/...0ejemplo%203. 


#17
Nov704, 08:44 AM

P: 206

I played around with the l(left) and the c(center) and it worked for this one.
\begin{tabular}{ccc} & \multicolumn{1}{l}{Voltage drop across diode(mV)} & \multicolumn{1}{c}{Voltage drop across resistor(mV)}\\ 


#18
Nov1004, 05:58 AM

P: 206

Ok, I am trying to type up a math document but the font is incredibly small. Is there some way to enlarge it..I tried [25pt] but it does not change a thing. Even {\Large and then the math stuff} does not change a thing.
I need help please ! 


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