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Display information for equation id:math.237599.27 on revision:237599

* Page found: Selection rule (eq math.237599.27)

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Occurrences on the following pages:

Hash: b27ef7abb18ac51cb885df4271d9775d

TeX (original user input):

\pi_{\mathrm{f}} = \pi_{\mathrm{i}}\,

TeX (checked):

\pi _{\mathrm {f} }=\pi _{\mathrm {i} }\,

LaTeXML (experimental; uses MathML) rendering

MathML (1.8 KB / 517 B) :

π f = π i subscript 𝜋 f subscript 𝜋 i {\displaystyle\pi_{{{\mathrm{f}}}}=\pi_{{{\mathrm{i}}}}\,}
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        <mi id="p1.1.m1.1.1" xref="p1.1.m1.1.1.cmml">π</mi>
        <mi mathvariant="normal" id="p1.1.m1.1.2.1" xref="p1.1.m1.1.2.1.cmml">f</mi>
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SVG (2.907 KB / 1.259 KB) :

pi Subscript normal f Baseline equals pi Subscript normal i

MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools) rendering

MathML (0 B / 8 B) :

SVG image empty. Force Re-Rendering

SVG (0 B / 8 B) :


PNG (0 B / 8 B) :


Translations to Computer Algebra Systems

Translation to Maple

In Maple: pi[f]= pi[i]

Information about the conversion process:

I: You use a typical letter for a constant [the imaginary unit == the principal square root of -1].

We keep it like it is! But you should know that Maple uses I for this constant.

If you want to translate it as a constant, use the corresponding DLMF macro \iunit


\pi: Could be the ratio of a circle's circumference to its diameter == Archimedes' constant.

But it is also a Greek letter. Be aware, that this program translated the letter as a normal Greek letter and not as a constant!
Use the DLMF-Macro \cpi to translate \pi as a constant.


i: the imaginary unit == the principal square root of -1 was translated to: i


Translation to Mathematica

In Mathematica: Subscript[\[Pi], f]= Subscript[\[Pi], i]

Information about the conversion process:

I: You use a typical letter for a constant [the imaginary unit == the principal square root of -1].

We keep it like it is! But you should know that Mathematica uses I for this constant.

If you want to translate it as a constant, use the corresponding DLMF macro \iunit


\pi: Could be the ratio of a circle's circumference to its diameter == Archimedes' constant.

But it is also a Greek letter. Be aware, that this program translated the letter as a normal Greek letter and not as a constant!
Use the DLMF-Macro \cpi to translate \pi as a constant.


i: the imaginary unit == the principal square root of -1 was translated to: i


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