General ⇒ Math formatting help

[localghost]

Font size in math environments is set with other commands. Taking your example it would look like the following.

Code: Select all

Code, edit and compile here:

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\[
  {QA}_{j}(s,t_{j})=\frac{P_d (s,t_j)}{P_f (s,t_{j})}\rho_{j}(s,t_{j})}       % standard font
\]
\[
  \scriptstyle\widehat{S}_{f}(s,t_{j-1})=\frac{S_f (s)}{P_f (s,t_{j-1})}      % smaller font
\]
 
 
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Run LaTeX here

Some basics about that are given in lshort. Further reading about typesetting math expressions is available with "Math mode".


Best regards and welcome to the board
Thorsten¹

[daleif]

and besides as you can see from the .log-file \tiny and friends cannot be used in math-mode (which should be hint enough)

I would display the equation differently instead of decreasing the fontsize

[gozzi84]

How can I do then?

Sorry but I'm a novice in LateX...

[Juanjo]

Math formulas inherit the font size of the surrounding text. If, say, a \small declaration is in effect at some point of the document, that will be the font size for a formula included there. So, in your case, I would write something like:

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Code, edit and compile here:

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\tiny
\[
  \widehat{S}_{f}(s,t_{j-1})=\frac{S_f (s)}{P_f (s,t_{j-1})} %smaller font
\]
\normalsize
 
 
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Run LaTeX here

The \normalsize command just restores the "normal" size which was presumably in effect before the formula. You can try \small and \footnotesize instead of \tiny.
IMHO, \scriptstyle, as well as its companions \scriptscriptstyle and \textstyle, should not be used for globally change the font size in a formula. Spacing around the equal sign is not correct, the numerator and denominator are too cluttered.

How can I do then? .

That depends on the reasons which moved you to decrease the fontsize. For example, is there not enough room in the frame?

[gozzi84]

I'm preparing in LateX the slides for my discussion.

I have to insert both maths and text... in the parts where I haev only text how can I justify the text for both the richht and the left margin (as office word for example does).

thank you for your help.

[Juanjo]

See this thread.

[gozzi84]

How can we justify a math equation to the left margin?

Doing this it doesn't work...


\begin{flushleft}

\[\mathnormal{
\boldsymbol{V_{\tiny{HCESC}}(s)}=\frac{S_f (s)}{S_f (t_0)}QA_{1}(s,t_{1})-\big(1+\tau L_{d}(t_{0},t_{0},t_{1})P_{d}(s,t_{1 })\big)...}\]

\end{flushleft}

Thanks

[Stefan Kottwitz]

Hi,

How can we justify a math equation to the left margin?

use the fleqn option to your documentclass at the very beginning of your document to force all equations to be left aligned, or use the flalign environment for just this equation, concerning flalign see amsmath user's guide.

Stefan