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Thank you for the advice. Your solution seems worked for me, so I mark the problem as solved.

Hi,

I have two subsection:
\subsection{First Subsection}
The first problem to solve is...
...
\subsection{Second Subsection}
The previous problem considered...
Under the first subsection title there is a little space. In the second subsection the space seems double. Indeed, the space has ...

Thank you, I resolved using "\begin{aligned}". The strange thing was that sometimes it aligned columns on left and other times on the right. But surfing the web I found that even columns are aligned to left and odd columns to right.

Hi all.

I'm trying to align an maximization program. I searched everywhere but nothing seems work. I want to have something like this (I use '_' because space is not displayed on this forum):

________max____f(x)
_________s.t.____x<M____________(1)
_______________x>Zi_____∀Zi_____(2)

I use \begin ...

Good solution, thank you!

Hi, i wonder if there is a command that allows to do this. I have a "long portion of text"(it's an algorithm) that i want to move frequently in the paragraph. For example:
Initially i have
some text
Long portion of text
some other text

then i want to move the "long portion of text":
Long portion ...

thank you for the response. Anyway i found the solution. There was an error with missing brackets in the line above. TeXnicCenter produced the output without line break, but TeXmaker forced me to correct the error before producing output

Hi all, I'm trying to write an algorithm with a style as shown in the attachment. Unfortunately line breaks don't work well. The manual says:
Warning For users of earlier versions of algorithmic this construct is a cause of an incompatibility. In the earlier version, instead of starting simple ...

Thank you, your solution worked!
I adapted it in this way, so the space is a parameter and I can specify it every time:

Hello, I'm new in LaTeX. I want to create a custom list of algorithms, with a title and a custom description for each.
So I used \newcommand to define this custom item:

\newcommand{\algoritmo}[5]{
\textbf{#1} \\
\textbf{Descrizione:} #2
\begin{algorithm}
\KwIn{#3}
\KwOut{#4}
#5
\end{algorithm ...