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Tag: Visual edit
Tag: Visual edit
 
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This command generates the summation operator,
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<math>\sum</math>
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. The difference between this and <code>\Sigma</code>, which generates the capital letter
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<math>\Sigma</math>
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, is that <code>\sum</code> appears larger, and that it supports the limits to be displayed below and above the symbol.
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The following example illustrates the difference between <code>\sum</code> and <code>\Sigma</code>.
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<math>
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\sum_{n=1}^\infty\frac{1}{2^n}=1\qquad\Sigma_{n=1}^\infty\frac{1}{2^n}=1
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</math>
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This examples are written as:<syntaxhighlight lang="latex" line="1">
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\sum_{n=1}^\infty
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\qquad
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\Sigma_{n=1}^\infty\frac{1}{2^n}=1
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</syntaxhighlight>

Latest revision as of 12:49, 23 November 2020

This command generates the summation operator,

. The difference between this and \Sigma, which generates the capital letter

, is that \sum appears larger, and that it supports the limits to be displayed below and above the symbol.

The following example illustrates the difference between \sum and \Sigma.

This examples are written as:

1 \sum_{n=1}^\infty
2 \qquad
3 \Sigma_{n=1}^\infty\frac{1}{2^n}=1