Showing posts with label tex. Show all posts
Showing posts with label tex. Show all posts
Saturday, April 5, 2008
Greek Mathematician with Fish
Thanks Matt Z. for letting me post my TeXed version of his "Greek Mathematician with Fish" sketch. You can check it out here.
Monday, January 21, 2008
LaTeX in Blogger
I'd really like to see native LaTeX support in blogger here. I'm sure the folks that keep this thing going could implement it.
Searching around a bit today, I found another thing I thought I'd try, until native support works out. So lets see.
$a^2+b^2=c^2$ and $e^{\pi i}+1=0$
Well holy crap, check that out. I found this from this blog post, but its a javascript file from a Dr. Woodall. I guess that means I have a javascript file to study :)
If you want to try it yourself (in blogger) you have to customize your template file. You do this by clicking the 'Template' tab and then 'Edit HTML'. There, put the following:
<script type="text/javascript"
src="http://www.maths.nottingham.ac.uk/personal/drw/LaTeXMathML.js">
</script>
after the <head> tag (line 7 for me). Then the .js file seems to take things between \$\$s (which you have to type in using a backslash) and converts the LaTeX to MathML, for display in browsers. Perhaps I'll dig through it a bit and see if that's actually true. If I understand (even if I don't), some browsers don't support mathml? Firefox works, which is all I need.
Searching around a bit today, I found another thing I thought I'd try, until native support works out. So lets see.
$a^2+b^2=c^2$ and $e^{\pi i}+1=0$
Well holy crap, check that out. I found this from this blog post, but its a javascript file from a Dr. Woodall. I guess that means I have a javascript file to study :)
If you want to try it yourself (in blogger) you have to customize your template file. You do this by clicking the 'Template' tab and then 'Edit HTML'. There, put the following:
<script type="text/javascript"
src="http://www.maths.nottingham.ac.uk/personal/drw/LaTeXMathML.js">
</script>
after the <head> tag (line 7 for me). Then the .js file seems to take things between \$\$s (which you have to type in using a backslash) and converts the LaTeX to MathML, for display in browsers. Perhaps I'll dig through it a bit and see if that's actually true. If I understand (even if I don't), some browsers don't support mathml? Firefox works, which is all I need.
Tuesday, January 1, 2008
PSTricks
I got "The Latex Graphics Companion" from the library the other day. While I don't generally use much in the way of graphics (besides xymatrix for commutative diagrams), I thought it'd be fun to look through. I'm sure its full of thousands of gems, but the one I want to keep a record of is text following a curve. This is from page 109:
\usepackage{pstcol,pst-text}
\begin{pspicture}(-4,-3.2)(3,0.2)
\psset{linecolor=lightgray}
\pstextpath
{\pscurve(-4,-2)(-2,0)(0,-3)(2,-1)(3,-2)}
{\color{blue}
If you want to type
$3 \int^x_y = \sum^{n=1}_{33}$
and let it follow along a
curving line \ldots}
\end{pspicture}
Someday I'll sit down and get more awesomeness out of the book. But for now, I should return it and let somebody else enjoy it.
\usepackage{pstcol,pst-text}
\begin{pspicture}(-4,-3.2)(3,0.2)
\psset{linecolor=lightgray}
\pstextpath
{\pscurve(-4,-2)(-2,0)(0,-3)(2,-1)(3,-2)}
{\color{blue}
If you want to type
$3 \int^x_y = \sum^{n=1}_{33}$
and let it follow along a
curving line \ldots}
\end{pspicture}
Someday I'll sit down and get more awesomeness out of the book. But for now, I should return it and let somebody else enjoy it.
Monday, December 10, 2007
Dec 10 07
Spent another few hours getting nowhere with research today. Interrupted it with x-mas shopping and various other nonsenses, but not too many. Let Vk(Rn) be the Stiefel manifold of k-planes in Rn. Let d be the dimension of the normal bundle for the inclusion Vk(Rn)-->hom(Rk,Rn). For completeness sake, notice d=(1/2)k(k+1). While I'm not entirely sure it makes sense to talk about, I'd also say the dimension of Σ|Rk-1k|, from yesterday, is this same value. This follows from the dimension of the maximal flag manifold, which is sitting as the k-1-simplex (if any of that is actually true to talk about). Along with not being sure any of this makes sense, I'm not sure how to use any of it.
In actually exciting news, the library had not only the LaTeX graphics companion, but the LaTeX companion and the TeXbook. So I might make the TeXbook my night-time reading. Chances are this week I won't need much reading before I fall asleep.
Only interesting news item I remember from today was Dvorak's rant against the OLPC project. I've been practically giddy about the OLPC project since I heard about it, and the laptop they've come out with. I'm still having a very hard time convincing myself not to participate in the give one get one program (thanks for the extension on that, by the way). But I do wonder how useful the laptop is as a charity sort of thing. Presumably the places they are going are not places where starvation is the main concern? Should money be siphoned away from food for some to go to education for others? What about all the money I spend on myself for things I don't actually need? Like a child's laptop?
In actually exciting news, the library had not only the LaTeX graphics companion, but the LaTeX companion and the TeXbook. So I might make the TeXbook my night-time reading. Chances are this week I won't need much reading before I fall asleep.
Only interesting news item I remember from today was Dvorak's rant against the OLPC project. I've been practically giddy about the OLPC project since I heard about it, and the laptop they've come out with. I'm still having a very hard time convincing myself not to participate in the give one get one program (thanks for the extension on that, by the way). But I do wonder how useful the laptop is as a charity sort of thing. Presumably the places they are going are not places where starvation is the main concern? Should money be siphoned away from food for some to go to education for others? What about all the money I spend on myself for things I don't actually need? Like a child's laptop?
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