Why won't this compile? Argument of h has an extra {
documentclass{article}
usepackage{amsmath}
begin{document}
newcommand{x}[1][1]{ensuremath{a_{n-#1}}}
newcommand{e}[1][left(1+dfrac{1+sqrt{5}}{2}right)-left(dfrac{1-sqrt{5}}{2}right)^{n-2}left(1+dfrac{1-sqrt{5}}{2}right)]{ensuremath{\\=dfrac{left(dfrac{1+sqrt{5}}{2}right) ^{n-2}#1}{sqrt{5}}}}
newcommand{f}{ensuremath{left(dfrac{1-sqrt{5}}{2}right)^{n-2}}}
newcommand{g}[1][n-1]{ensuremath{left(dfrac{1-sqrt{5}}{2}right)^{#1}}}
newcommand{h}[1][n-1]{ensuremath{left(dfrac{1+sqrt{5}}{2}right)^{#1}}}
newcommand{n}{ensuremath{left(dfrac{1+sqrt{5}}{2}right) ^{n-2}}}
$a_n=x+x[2]e[-f+hg]ee[h[2]]$
end{document}
compilation-error
New contributor
add a comment |
documentclass{article}
usepackage{amsmath}
begin{document}
newcommand{x}[1][1]{ensuremath{a_{n-#1}}}
newcommand{e}[1][left(1+dfrac{1+sqrt{5}}{2}right)-left(dfrac{1-sqrt{5}}{2}right)^{n-2}left(1+dfrac{1-sqrt{5}}{2}right)]{ensuremath{\\=dfrac{left(dfrac{1+sqrt{5}}{2}right) ^{n-2}#1}{sqrt{5}}}}
newcommand{f}{ensuremath{left(dfrac{1-sqrt{5}}{2}right)^{n-2}}}
newcommand{g}[1][n-1]{ensuremath{left(dfrac{1-sqrt{5}}{2}right)^{#1}}}
newcommand{h}[1][n-1]{ensuremath{left(dfrac{1+sqrt{5}}{2}right)^{#1}}}
newcommand{n}{ensuremath{left(dfrac{1+sqrt{5}}{2}right) ^{n-2}}}
$a_n=x+x[2]e[-f+hg]ee[h[2]]$
end{document}
compilation-error
New contributor
add a comment |
documentclass{article}
usepackage{amsmath}
begin{document}
newcommand{x}[1][1]{ensuremath{a_{n-#1}}}
newcommand{e}[1][left(1+dfrac{1+sqrt{5}}{2}right)-left(dfrac{1-sqrt{5}}{2}right)^{n-2}left(1+dfrac{1-sqrt{5}}{2}right)]{ensuremath{\\=dfrac{left(dfrac{1+sqrt{5}}{2}right) ^{n-2}#1}{sqrt{5}}}}
newcommand{f}{ensuremath{left(dfrac{1-sqrt{5}}{2}right)^{n-2}}}
newcommand{g}[1][n-1]{ensuremath{left(dfrac{1-sqrt{5}}{2}right)^{#1}}}
newcommand{h}[1][n-1]{ensuremath{left(dfrac{1+sqrt{5}}{2}right)^{#1}}}
newcommand{n}{ensuremath{left(dfrac{1+sqrt{5}}{2}right) ^{n-2}}}
$a_n=x+x[2]e[-f+hg]ee[h[2]]$
end{document}
compilation-error
New contributor
documentclass{article}
usepackage{amsmath}
begin{document}
newcommand{x}[1][1]{ensuremath{a_{n-#1}}}
newcommand{e}[1][left(1+dfrac{1+sqrt{5}}{2}right)-left(dfrac{1-sqrt{5}}{2}right)^{n-2}left(1+dfrac{1-sqrt{5}}{2}right)]{ensuremath{\\=dfrac{left(dfrac{1+sqrt{5}}{2}right) ^{n-2}#1}{sqrt{5}}}}
newcommand{f}{ensuremath{left(dfrac{1-sqrt{5}}{2}right)^{n-2}}}
newcommand{g}[1][n-1]{ensuremath{left(dfrac{1-sqrt{5}}{2}right)^{#1}}}
newcommand{h}[1][n-1]{ensuremath{left(dfrac{1+sqrt{5}}{2}right)^{#1}}}
newcommand{n}{ensuremath{left(dfrac{1+sqrt{5}}{2}right) ^{n-2}}}
$a_n=x+x[2]e[-f+hg]ee[h[2]]$
end{document}
compilation-error
compilation-error
New contributor
New contributor
edited yesterday
Seven
New contributor
asked yesterday
SevenSeven
384
384
New contributor
New contributor
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
use
e[{h[n-1]}]
Put the inner h[..]
into braces
add a comment |
If you define commands with optional argument through xparse
, then you can nest them.
documentclass{article}
usepackage{amsmath}
usepackage{xparse}
newcommand{grplus}{dfrac{1+sqrt{5}}{2}}
newcommand{grminus}{dfrac{1-sqrt{5}}{2}}
newcommand{eopt}{%
left(1+grplusright)-fleft(1+grminusright)%
}
NewDocumentCommand{x}{O{1}}{a_{n-#1}}
NewDocumentCommand{e}{O{eopt}}{\&=dfrac{n #1}{sqrt{5}}}
NewDocumentCommand{g}{O{n-1}}{left(grminusright)^{#1}}
NewDocumentCommand{h}{O{n-1}}{left(grplusright)^{#1}}
newcommand{n}{g[n-2]}
newcommand{f}{h[n-2]}
begin{document}
$begin{aligned}[t]
a_n&=x+x[2]e[-f+hg]ee[h[2]]
end{aligned}$
I also used aligned
in order to get a better alignment.
There's no reason for plaguing you code with useless ensuremath
.
add a comment |
Your Answer
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "85"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Seven is a new contributor. Be nice, and check out our Code of Conduct.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2ftex.stackexchange.com%2fquestions%2f479771%2fwhy-wont-this-compile-argument-of-h-has-an-extra%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
use
e[{h[n-1]}]
Put the inner h[..]
into braces
add a comment |
use
e[{h[n-1]}]
Put the inner h[..]
into braces
add a comment |
use
e[{h[n-1]}]
Put the inner h[..]
into braces
use
e[{h[n-1]}]
Put the inner h[..]
into braces
answered yesterday
HerbertHerbert
276k25419732
276k25419732
add a comment |
add a comment |
If you define commands with optional argument through xparse
, then you can nest them.
documentclass{article}
usepackage{amsmath}
usepackage{xparse}
newcommand{grplus}{dfrac{1+sqrt{5}}{2}}
newcommand{grminus}{dfrac{1-sqrt{5}}{2}}
newcommand{eopt}{%
left(1+grplusright)-fleft(1+grminusright)%
}
NewDocumentCommand{x}{O{1}}{a_{n-#1}}
NewDocumentCommand{e}{O{eopt}}{\&=dfrac{n #1}{sqrt{5}}}
NewDocumentCommand{g}{O{n-1}}{left(grminusright)^{#1}}
NewDocumentCommand{h}{O{n-1}}{left(grplusright)^{#1}}
newcommand{n}{g[n-2]}
newcommand{f}{h[n-2]}
begin{document}
$begin{aligned}[t]
a_n&=x+x[2]e[-f+hg]ee[h[2]]
end{aligned}$
I also used aligned
in order to get a better alignment.
There's no reason for plaguing you code with useless ensuremath
.
add a comment |
If you define commands with optional argument through xparse
, then you can nest them.
documentclass{article}
usepackage{amsmath}
usepackage{xparse}
newcommand{grplus}{dfrac{1+sqrt{5}}{2}}
newcommand{grminus}{dfrac{1-sqrt{5}}{2}}
newcommand{eopt}{%
left(1+grplusright)-fleft(1+grminusright)%
}
NewDocumentCommand{x}{O{1}}{a_{n-#1}}
NewDocumentCommand{e}{O{eopt}}{\&=dfrac{n #1}{sqrt{5}}}
NewDocumentCommand{g}{O{n-1}}{left(grminusright)^{#1}}
NewDocumentCommand{h}{O{n-1}}{left(grplusright)^{#1}}
newcommand{n}{g[n-2]}
newcommand{f}{h[n-2]}
begin{document}
$begin{aligned}[t]
a_n&=x+x[2]e[-f+hg]ee[h[2]]
end{aligned}$
I also used aligned
in order to get a better alignment.
There's no reason for plaguing you code with useless ensuremath
.
add a comment |
If you define commands with optional argument through xparse
, then you can nest them.
documentclass{article}
usepackage{amsmath}
usepackage{xparse}
newcommand{grplus}{dfrac{1+sqrt{5}}{2}}
newcommand{grminus}{dfrac{1-sqrt{5}}{2}}
newcommand{eopt}{%
left(1+grplusright)-fleft(1+grminusright)%
}
NewDocumentCommand{x}{O{1}}{a_{n-#1}}
NewDocumentCommand{e}{O{eopt}}{\&=dfrac{n #1}{sqrt{5}}}
NewDocumentCommand{g}{O{n-1}}{left(grminusright)^{#1}}
NewDocumentCommand{h}{O{n-1}}{left(grplusright)^{#1}}
newcommand{n}{g[n-2]}
newcommand{f}{h[n-2]}
begin{document}
$begin{aligned}[t]
a_n&=x+x[2]e[-f+hg]ee[h[2]]
end{aligned}$
I also used aligned
in order to get a better alignment.
There's no reason for plaguing you code with useless ensuremath
.
If you define commands with optional argument through xparse
, then you can nest them.
documentclass{article}
usepackage{amsmath}
usepackage{xparse}
newcommand{grplus}{dfrac{1+sqrt{5}}{2}}
newcommand{grminus}{dfrac{1-sqrt{5}}{2}}
newcommand{eopt}{%
left(1+grplusright)-fleft(1+grminusright)%
}
NewDocumentCommand{x}{O{1}}{a_{n-#1}}
NewDocumentCommand{e}{O{eopt}}{\&=dfrac{n #1}{sqrt{5}}}
NewDocumentCommand{g}{O{n-1}}{left(grminusright)^{#1}}
NewDocumentCommand{h}{O{n-1}}{left(grplusright)^{#1}}
newcommand{n}{g[n-2]}
newcommand{f}{h[n-2]}
begin{document}
$begin{aligned}[t]
a_n&=x+x[2]e[-f+hg]ee[h[2]]
end{aligned}$
I also used aligned
in order to get a better alignment.
There's no reason for plaguing you code with useless ensuremath
.
answered yesterday
egregegreg
727k8819223231
727k8819223231
add a comment |
add a comment |
Seven is a new contributor. Be nice, and check out our Code of Conduct.
Seven is a new contributor. Be nice, and check out our Code of Conduct.
Seven is a new contributor. Be nice, and check out our Code of Conduct.
Seven is a new contributor. Be nice, and check out our Code of Conduct.
Thanks for contributing an answer to TeX - LaTeX Stack Exchange!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2ftex.stackexchange.com%2fquestions%2f479771%2fwhy-wont-this-compile-argument-of-h-has-an-extra%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown