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Redefining symbol midway through a document
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I am trying to have one command (phi) draw two different symbols (varphi and regular phi) in the same document.
I have tried this with the below:
documentclass{article}
usepackage{amsmath, amssymb}
newcommand{oldphi}{phi}
renewcommand{phi}{varphi}
begin{document}
$phi$
renewcommand{phi}{oldphi}
$phi$
end{document}
But this wont compile (with pdftex or TexMaker), it seem like it gets stuck in a loop and wont create a pdf, but I can't see why?
Or is there a better way to achieve this?
math-mode macros pdftex symbols
asked 5 hours ago
SergestusSergestus
254
add a comment |
I am trying to have one command (phi) draw two different symbols (varphi and regular phi) in the same document.
I have tried this with the below:
documentclass{article}
usepackage{amsmath, amssymb}
newcommand{oldphi}{phi}
renewcommand{phi}{varphi}
begin{document}
$phi$
renewcommand{phi}{oldphi}
$phi$
end{document}
But this wont compile (with pdftex or TexMaker), it seem like it gets stuck in a loop and wont create a pdf, but I can't see why?
Or is there a better way to achieve this?
math-mode macros pdftex symbols
asked 5 hours ago
SergestusSergestus
254
Yes: using phi` when you want it, and `varphi`` when it is the one you need.
– Bernard
4 hours ago
@Bernard I know that's the simplest way to do it really, but it would mean writing way to many extra letters :P
– Sergestus
4 hours ago
add a comment |
I am trying to have one command (phi) draw two different symbols (varphi and regular phi) in the same document.
I have tried this with the below:
documentclass{article}
usepackage{amsmath, amssymb}
newcommand{oldphi}{phi}
renewcommand{phi}{varphi}
begin{document}
$phi$
renewcommand{phi}{oldphi}
$phi$
end{document}
But this wont compile (with pdftex or TexMaker), it seem like it gets stuck in a loop and wont create a pdf, but I can't see why?
Or is there a better way to achieve this?
math-mode macros pdftex symbols
asked 5 hours ago
SergestusSergestus
254
I am trying to have one command (phi) draw two different symbols (varphi and regular phi) in the same document.
I have tried this with the below:
documentclass{article}
usepackage{amsmath, amssymb}
newcommand{oldphi}{phi}
renewcommand{phi}{varphi}
begin{document}
$phi$
renewcommand{phi}{oldphi}
$phi$
end{document}
But this wont compile (with pdftex or TexMaker), it seem like it gets stuck in a loop and wont create a pdf, but I can't see why?
Or is there a better way to achieve this?
math-mode macros pdftex symbols
math-mode macros pdftex symbols
asked 5 hours ago
SergestusSergestus
254
asked 5 hours ago
SergestusSergestus
254
edited 4 hours ago
Sergestus
asked 5 hours ago
SergestusSergestus
254
asked 5 hours ago
SergestusSergestus
254
asked 5 hours ago
SergestusSergestus
254
254
Yes: using phi` when you want it, and `varphi`` when it is the one you need.
– Bernard
4 hours ago
@Bernard I know that's the simplest way to do it really, but it would mean writing way to many extra letters :P
– Sergestus
4 hours ago
add a comment |
Yes: using phi` when you want it, and `varphi`` when it is the one you need.
– Bernard
4 hours ago
@Bernard I know that's the simplest way to do it really, but it would mean writing way to many extra letters :P
– Sergestus
4 hours ago
Yes: using phi` when you want it, and `varphi`` when it is the one you need.
– Bernard
4 hours ago
Yes: using phi` when you want it, and `varphi`` when it is the one you need.
– Bernard
4 hours ago
@Bernard I know that's the simplest way to do it really, but it would mean writing way to many extra letters :P
– Sergestus
4 hours ago
@Bernard I know that's the simplest way to do it really, but it would mean writing way to many extra letters :P
– Sergestus
4 hours ago
add a comment |
2 Answers
2
active
oldest
votes
With let, it works:
documentclass{article}
usepackage{amsmath, amssymb}
letoldphi=phi
letphi=varphi
begin{document}
$phi$
letphi=oldphi
$phi$
letphi=varphi
$phi$
letphi=oldphi
$phi$
end{document}
answered 4 hours ago
BernardBernard
175k776207
Great! I had just reached the same conclusion below, thanks!
– Sergestus
4 hours ago
1
Oh! I see. Great minds think together! :o)
– Bernard
4 hours ago
add a comment |
I have solved this myself using let and so post this for posterity.
documentclass{article}
usepackage{amsmath, amssymb}
letoldphiphi
letphivarphi
begin{document}
$phi$
letphioldphi
$phi$
end{document}
My understanding is that newcommand{x}{y} simply replaces "a" with "b" so can become circular, whereas letab actually sets a to the value of b, so resolves any self-referencing issues.
answered 4 hours ago
SergestusSergestus
254
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
With let, it works:
documentclass{article}
usepackage{amsmath, amssymb}
letoldphi=phi
letphi=varphi
begin{document}
$phi$
letphi=oldphi
$phi$
letphi=varphi
$phi$
letphi=oldphi
$phi$
end{document}
answered 4 hours ago
BernardBernard
175k776207
Great! I had just reached the same conclusion below, thanks!
– Sergestus
4 hours ago
1
Oh! I see. Great minds think together! :o)
– Bernard
4 hours ago
add a comment |
With let, it works:
documentclass{article}
usepackage{amsmath, amssymb}
letoldphi=phi
letphi=varphi
begin{document}
$phi$
letphi=oldphi
$phi$
letphi=varphi
$phi$
letphi=oldphi
$phi$
end{document}
answered 4 hours ago
BernardBernard
175k776207
Great! I had just reached the same conclusion below, thanks!
– Sergestus
4 hours ago
1
Oh! I see. Great minds think together! :o)
– Bernard
4 hours ago
add a comment |
With let, it works:
documentclass{article}
usepackage{amsmath, amssymb}
letoldphi=phi
letphi=varphi
begin{document}
$phi$
letphi=oldphi
$phi$
letphi=varphi
$phi$
letphi=oldphi
$phi$
end{document}
answered 4 hours ago
BernardBernard
175k776207
With let, it works:
documentclass{article}
usepackage{amsmath, amssymb}
letoldphi=phi
letphi=varphi
begin{document}
$phi$
letphi=oldphi
$phi$
letphi=varphi
$phi$
letphi=oldphi
$phi$
end{document}
answered 4 hours ago
BernardBernard
175k776207
answered 4 hours ago
BernardBernard
175k776207
answered 4 hours ago
BernardBernard
175k776207
answered 4 hours ago
BernardBernard
175k776207
175k776207
Great! I had just reached the same conclusion below, thanks!
– Sergestus
4 hours ago
1
Oh! I see. Great minds think together! :o)
– Bernard
4 hours ago
add a comment |
Great! I had just reached the same conclusion below, thanks!
– Sergestus
4 hours ago
1
Oh! I see. Great minds think together! :o)
– Bernard
4 hours ago
Great! I had just reached the same conclusion below, thanks!
– Sergestus
4 hours ago
Great! I had just reached the same conclusion below, thanks!
– Sergestus
4 hours ago
1
1
Oh! I see. Great minds think together! :o)
– Bernard
4 hours ago
Oh! I see. Great minds think together! :o)
– Bernard
4 hours ago
add a comment |
I have solved this myself using let and so post this for posterity.
documentclass{article}
usepackage{amsmath, amssymb}
letoldphiphi
letphivarphi
begin{document}
$phi$
letphioldphi
$phi$
end{document}
My understanding is that newcommand{x}{y} simply replaces "a" with "b" so can become circular, whereas letab actually sets a to the value of b, so resolves any self-referencing issues.
answered 4 hours ago
SergestusSergestus
254
add a comment |
I have solved this myself using let and so post this for posterity.
documentclass{article}
usepackage{amsmath, amssymb}
letoldphiphi
letphivarphi
begin{document}
$phi$
letphioldphi
$phi$
end{document}
My understanding is that newcommand{x}{y} simply replaces "a" with "b" so can become circular, whereas letab actually sets a to the value of b, so resolves any self-referencing issues.
answered 4 hours ago
SergestusSergestus
254
add a comment |
I have solved this myself using let and so post this for posterity.
documentclass{article}
usepackage{amsmath, amssymb}
letoldphiphi
letphivarphi
begin{document}
$phi$
letphioldphi
$phi$
end{document}
My understanding is that newcommand{x}{y} simply replaces "a" with "b" so can become circular, whereas letab actually sets a to the value of b, so resolves any self-referencing issues.
answered 4 hours ago
SergestusSergestus
254
I have solved this myself using let and so post this for posterity.
documentclass{article}
usepackage{amsmath, amssymb}
letoldphiphi
letphivarphi
begin{document}
$phi$
letphioldphi
$phi$
end{document}
My understanding is that newcommand{x}{y} simply replaces "a" with "b" so can become circular, whereas letab actually sets a to the value of b, so resolves any self-referencing issues.
answered 4 hours ago
SergestusSergestus
254
answered 4 hours ago
SergestusSergestus
254
answered 4 hours ago
SergestusSergestus
254
answered 4 hours ago
SergestusSergestus
254
254
add a comment |
add a comment |
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Yes: using phi` when you want it, and `varphi`` when it is the one you need.
– Bernard
4 hours ago
@Bernard I know that's the simplest way to do it really, but it would mean writing way to many extra letters :P
– Sergestus
4 hours ago