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Bookmark or Share- math operators - How do you write "times"? - TeX - TeX - LaTeX Stack ...In Math, the \cdot command can be used to represent the centered dot multiplication symbol as opposed to the conventional \times symbol and similar to \ldots we have \cdots. Hence to get the centered dot in your example, you need to input: $5\cdot 5$
- When should \\cdot be used to indicate multiplication?Multiplying actual numbers, as you say: 2 \cdot 2 versus 22 is obviously the way to go. More subtly, writing, say, 2 \cdot 3^4 is an improvement over 2 3^4 for the same reason. You might say "of course!" except that sometimes, if you have a pedantic input style (like me) you fool yourself: 2 {13}^2 looks like 213^2. Function notation.
- Which dot character to use in which context? - TeX - TeX - LaTeX Stack ...WP Multiplication article uses \cdot for scalar multiplication. WP says the matrix dot product should be written using the "bullet operator" character, like "a ∙ b". The WP Dot product article uses the LaTeX \cdot character for dot products. Wikipedia shows a raised decimal point example "£21·48", which uses the "middle dot" character.
- Making a thicker \cdot for dot product (that is thinner than \bullet)The vertical position is fixed to center the symbol vertically around the math axis as \cdot and \bullet do. The width of the symbol is not the scaled down width of the \bullet (with scaled down side bearings), but a little larger width of \cdot. The scale and width factor can be configured by macros \bigcdot@scalefactor and \bigcdot@widthfactor.
- What is the difference between \\ldots and \\cdots?What is the difference between \\ldots and \\cdots? For example, To write a sequence of points which is best to use? a_1,\\ldots,a_n Or a_1,\\cdots,a_n. Couple of examples of the difference can be
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