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Questions tagged [formula]

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0
votes
1answer
34 views

Equations: Why does formula symbol index notation “ff” cause such big letter spacing?

The formula symbol index notation ff is causing some ugly letter spacing in comparison to other index notation letters. Minimum Working Example (MWE): \documentclass{article} \begin{document} \...
3
votes
2answers
147 views

Formula with non-closing brackets

I need to represent formulas similar to this: I have tried to get this with Lyx on Ubuntu but struggled to make "non closing" single brackets. Do you know either a proper way to code this in LaTeX?
6
votes
3answers
487 views

how to write a formula that branches into two?

I would like to write a formula (see the picture), how can i fix the arrows? This is my code: \documentclass[a4paper,12pt]{article}[12pt] \usepackage[italian]{babel} \usepackage[T1]{fontenc} \...