13 questions linked to/from making a big summation sign
1k views

### Resizing the sum operator [duplicate]

The following simple expression produces a sum operator as in (1). But I want it to be bigger like in (2), of course, without altering the size of inner braces. Any suggestion? \documentclass[a4,12pt]...
5k views

### How to find the ratio of a length command (e.g., \textwidth) to a reference value (e.g., 6cm) ?

How to find the ratio of a length command (e.g., \textwidth) to a reference value (e.g., 6cm) ? Actually I want to use the ratio for the \scalebox argument, e.g., \scalebox{<ratio>}. \...
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### Summation Symbol

Want to write a summation symbol in the similar form in the attachment. Please advice.
3k views

### Displayed math looks bad using beamerposter with lmodern

I'm using a theme for beamerposter that requires the package lmodern. Specifically, I'm modifying the theme found here. However, the displayed equations do not look right when I use lmodern. MWE:...
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### Math mode summation text top and bottom

I would like the text, that is i=1 and N, on the summation to be top, and bottom. something like this I'm using the packages, amsmath, relsize, and physics. \label{eq: TEST} ...
4k views

### make summation sign big without affecting the size of lower bound of summation

This is a follow up question related to this post making a big summation sign I am trying to rescale the sum sign in the same way as in the above post. The problem is that the lower bound of the sum ...
893 views

### How to typeset this integral?

I want to typeset the integral $$\int{\dfrac{1}{\cos^2\left(5 - \dfrac{3x}{4}\right)}}\,\mathrm{d}x$$ I tried \documentclass[12pt,a4paper]{article} \usepackage{amsmath} \usepackage{amsfonts} \...
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### Formula reproduction in latex [closed]

This is the formula I'd like to reproduce: And here is my poorly working MWE: \documentclass{book} \usepackage{amsmath} \usepackage{fixltx2e} \usepackage[english]{babel} \usepackage[bitstream-...
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### *noob* LaTeXiT long division

Like it says in the title I'm a complete noob trying to get LaTeXiT to do a simple long division sum. I've installed the complete latex package I've obtained from here https://tug.org/mactex/mactex-...
333 views

### Making a summation sign adjust to contents of summation

I'd like to make my summations adjust in size just as brackets and parenthesis do when using \left and \right - in principle, something like this: \left\sum_i \frac{a+b}{x+y}\right. This example, ...
412 views

### increasing summation size in continued fraction

I've got a continued fraction, where the denominator has a summation... Here is my code \documentclass{article} \usepackage{amsmath} \begin{document} \[ y_i = 1 - \cfrac{1}{x_i + \displaystyle \sum_{...
I'm using the beamerposter package but I have a problem with one equation: $$P_\tau = pm_0 + \sum_{x=1}^{X} mr_{\tau,Lx} \cdot pm_{Lx}$$ which appears like that: The ...