On Thursday, November 14, 2013 3:01:02 AM UTC-5, Jason Grout wrote:
>
> On 11/13/13 9:45 PM, Jotace wrote:
> > Hello to everyone,
> >
> > I was trying to make some camputational tool for my students, to allow
> > them to compute powers of matrices quickly. I made a tiny htm page with
> > some text giving explanations, and the following code embedden in a
> > one-cell script
> >
> > DEF=[[0.25,0.55,0.2],[0.35,0.15,0.1],[0.45,0.3,0.7]];
> >
> > @interact
> > def _(T=input_grid(3,3, default = DEF, label='Transition matrix $T=$',
> > to_value=matrix), d=input_box(3, width=5, label="number of
> digits "),
> > n=input_box(2,width=5,label="power of $T$, $n=$")):
> > T = T.apply_map(RealField(d*log(10)/log(2)))
> > M=T^n
> > html('$T^n = \displaystyle %s$'%latex(M))
> >
> >
> >
> > I happen to have a page which background is blue, so the standard
> > output, in black is not very adapted... Anyone can tell how to change
> > the output color of html(...) to white?
>
> Here are two ways:
>
> * since you have all math, you can use the latex \color command:
> html('$\color{white}{T^n = \displaystyle %s}$'%latex(M))
>
> * In general, you can set a CSS style using a div or span tag:
>
> html('<div style="color: white;">$T^n = \displaystyle
> %s$</div>'%latex(M))
>
>
But... just out of curiosity (and related to a recent ask.sagemath
question), is it possible to use a stylesheet in any way in the cell or
notebook? Presumably it would have to be linked from the body, not quite
standards-compliant... (The question on ask is about sagemathcloud, which
I am less familiar with).
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