Flattening a list desiring a specific format
Suppose I have the following list:
l={{{1},{2}},{{3}},{{4},{5}}};
How can I flatten this such that I get:
{{1,2},{3},{4,5}}
I tried Flatten[l, 1] but that gives:
{{1}, {2}, {3}, {4}, {5}}
list-manipulation
asked Nov 27 '18 at 12:52
William
63638
add a comment |
Suppose I have the following list:
l={{{1},{2}},{{3}},{{4},{5}}};
How can I flatten this such that I get:
{{1,2},{3},{4,5}}
I tried Flatten[l, 1] but that gives:
{{1}, {2}, {3}, {4}, {5}}
list-manipulation
asked Nov 27 '18 at 12:52
William
63638
add a comment |
Suppose I have the following list:
l={{{1},{2}},{{3}},{{4},{5}}};
How can I flatten this such that I get:
{{1,2},{3},{4,5}}
I tried Flatten[l, 1] but that gives:
{{1}, {2}, {3}, {4}, {5}}
list-manipulation
asked Nov 27 '18 at 12:52
William
63638
Suppose I have the following list:
l={{{1},{2}},{{3}},{{4},{5}}};
How can I flatten this such that I get:
{{1,2},{3},{4,5}}
I tried Flatten[l, 1] but that gives:
{{1}, {2}, {3}, {4}, {5}}
list-manipulation
list-manipulation
asked Nov 27 '18 at 12:52
William
63638
asked Nov 27 '18 at 12:52
William
63638
asked Nov 27 '18 at 12:52
William
63638
asked Nov 27 '18 at 12:52
William
63638
asked Nov 27 '18 at 12:52
William
63638
63638
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
Flatten[#, 1] & /@ l
{{1, 2}, {3}, {4, 5}}
answered Nov 27 '18 at 12:54
J42161217
3,712220
add a comment |
Flatten[l, {3, 1}]
{{1, 2}, {3}, {4, 5}}
Also
Flatten /@ l
Flatten[l, {{3, 1}}]
Join @@@ l
all give
{{1, 2}, {3}, {4, 5}}
answered Nov 27 '18 at 14:57
kglr
177k9198404
add a comment |
Your Answer
StackExchange.ifUsing("editor", function () {
return StackExchange.using("mathjaxEditing", function () {
StackExchange.MarkdownEditor.creationCallbacks.add(function (editor, postfix) {
StackExchange.mathjaxEditing.prepareWmdForMathJax(editor, postfix, [["$", "$"], ["\\(","\\)"]]);
});
});
}, "mathjax-editing");
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "387"
};
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
});
}
});
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%2fmathematica.stackexchange.com%2fquestions%2f186771%2fflattening-a-list-desiring-a-specific-format%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
Flatten[#, 1] & /@ l
{{1, 2}, {3}, {4, 5}}
answered Nov 27 '18 at 12:54
J42161217
3,712220
add a comment |
Flatten[#, 1] & /@ l
{{1, 2}, {3}, {4, 5}}
answered Nov 27 '18 at 12:54
J42161217
3,712220
add a comment |
Flatten[#, 1] & /@ l
{{1, 2}, {3}, {4, 5}}
answered Nov 27 '18 at 12:54
J42161217
3,712220
Flatten[#, 1] & /@ l
{{1, 2}, {3}, {4, 5}}
answered Nov 27 '18 at 12:54
J42161217
3,712220
answered Nov 27 '18 at 12:54
J42161217
3,712220
answered Nov 27 '18 at 12:54
J42161217
3,712220
answered Nov 27 '18 at 12:54
J42161217
3,712220
3,712220
add a comment |
add a comment |
Flatten[l, {3, 1}]
{{1, 2}, {3}, {4, 5}}
Also
Flatten /@ l
Flatten[l, {{3, 1}}]
Join @@@ l
all give
{{1, 2}, {3}, {4, 5}}
answered Nov 27 '18 at 14:57
kglr
177k9198404
add a comment |
Flatten[l, {3, 1}]
{{1, 2}, {3}, {4, 5}}
Also
Flatten /@ l
Flatten[l, {{3, 1}}]
Join @@@ l
all give
{{1, 2}, {3}, {4, 5}}
answered Nov 27 '18 at 14:57
kglr
177k9198404
add a comment |
Flatten[l, {3, 1}]
{{1, 2}, {3}, {4, 5}}
Also
Flatten /@ l
Flatten[l, {{3, 1}}]
Join @@@ l
all give
{{1, 2}, {3}, {4, 5}}
answered Nov 27 '18 at 14:57
kglr
177k9198404
Flatten[l, {3, 1}]
{{1, 2}, {3}, {4, 5}}
Also
Flatten /@ l
Flatten[l, {{3, 1}}]
Join @@@ l
all give
{{1, 2}, {3}, {4, 5}}
answered Nov 27 '18 at 14:57
kglr
177k9198404
edited Nov 27 '18 at 16:10
answered Nov 27 '18 at 14:57
kglr
177k9198404
answered Nov 27 '18 at 14:57
kglr
177k9198404
answered Nov 27 '18 at 14:57
kglr
177k9198404
177k9198404
add a comment |
add a comment |
Thanks for contributing an answer to Mathematica 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.
Use MathJax to format equations. MathJax reference.
To learn more, see our tips on writing great answers.
Some of your past answers have not been well-received, and you're in danger of being blocked from answering.
Please pay close attention to the following guidance:
- 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%2fmathematica.stackexchange.com%2fquestions%2f186771%2fflattening-a-list-desiring-a-specific-format%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
