\dotsi - LaTeX Symbol

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\dots

\dotsi

The command \dotsi is used in LaTeX to produce ellipsis (three dots) in mathematical expressions, typically used in series or sequences. It is a variant of the \dots command, specifically designed to be used in mathematical contexts where the dots are followed by a binary operator or a relation.

Examples

a_{1} + a_{2} + \dots + a_{n}

Ellipsis in a series of additions

a_1 + a_2 + \dotsi + a_n

x_{1}, x_{2}, \dots, x_{n}

Ellipsis in a sequence of variables

x_1, x_2, \dotsi, x_n

1 \cdot 2 \cdot \dots \cdot n

Ellipsis in a product sequence

1 \cdot 2 \cdot \dotsi \cdot n