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split inside flalign

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.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;

4

I am currently using split inside the align environment similar to the following example

documentclassarticle
usepackageamsmath

begindocument

beginalign
beginsplit
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1 
endsplit
endalign
enddocument

However I would like to have all these equations flushed to the left along with the property that there is single numbering for the system of equations (this is the reason for using the split). I can use the flalign environment without split but it gives numbering to all the individual equations

documentclassarticle
usepackageamsmath

begindocument

beginflalign
a1 & = 3534534343 & \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1 
endflalign
enddocument

I am unable to use the split inside flalign as it gives me an error. Is there an easy way to do this?

align split flalign

share|improve this question

edited 8 hours ago

Siddhant

asked 8 hours ago

SiddhantSiddhant

16466 bronze badges

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  If you are attempting to add more & inside the splitm, then no, split only allows up to one & per row. There is no build in inner companion for flalign` like there is for align and gather. Perhaps you should try and explain exactly what it is you are trying to do and why you'll need flalign for that? I all the books I've setup I have never once used flalign.
  
  – daleif
  8 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I want to have a single numbering for all the equations. Is there a way to do it other than split? I just want everything the same as the first MWE just all the equations to the left instead of centered.
  
  – Siddhant
  8 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  But why flalign? IMO it is much less readable than align
  
  – daleif
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  How else can I flush a set of aligned equations to the left? I actually hate using the flalign environment and really like the align environment but I dont know how to flush all these equations on the left within align
  
  – Siddhant
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Other display formulas in the document should remain centered and only this one set flush left, or is it that you'd like to have all display formulas flush left?
  
  – frougon
  8 hours ago
  
  

  
  
  
  

 | 
show 2 more comments

4

I am currently using split inside the align environment similar to the following example

documentclassarticle
usepackageamsmath

begindocument

beginalign
beginsplit
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1 
endsplit
endalign
enddocument

However I would like to have all these equations flushed to the left along with the property that there is single numbering for the system of equations (this is the reason for using the split). I can use the flalign environment without split but it gives numbering to all the individual equations

documentclassarticle
usepackageamsmath

begindocument

beginflalign
a1 & = 3534534343 & \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1 
endflalign
enddocument

I am unable to use the split inside flalign as it gives me an error. Is there an easy way to do this?

align split flalign

share|improve this question

edited 8 hours ago

Siddhant

asked 8 hours ago

SiddhantSiddhant

16466 bronze badges

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  If you are attempting to add more & inside the splitm, then no, split only allows up to one & per row. There is no build in inner companion for flalign` like there is for align and gather. Perhaps you should try and explain exactly what it is you are trying to do and why you'll need flalign for that? I all the books I've setup I have never once used flalign.
  
  – daleif
  8 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I want to have a single numbering for all the equations. Is there a way to do it other than split? I just want everything the same as the first MWE just all the equations to the left instead of centered.
  
  – Siddhant
  8 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  But why flalign? IMO it is much less readable than align
  
  – daleif
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  How else can I flush a set of aligned equations to the left? I actually hate using the flalign environment and really like the align environment but I dont know how to flush all these equations on the left within align
  
  – Siddhant
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Other display formulas in the document should remain centered and only this one set flush left, or is it that you'd like to have all display formulas flush left?
  
  – frougon
  8 hours ago
  
  

  
  
  
  

 | 
show 2 more comments

I am currently using split inside the align environment similar to the following example

documentclassarticle
usepackageamsmath

begindocument

beginalign
beginsplit
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1 
endsplit
endalign
enddocument

However I would like to have all these equations flushed to the left along with the property that there is single numbering for the system of equations (this is the reason for using the split). I can use the flalign environment without split but it gives numbering to all the individual equations

documentclassarticle
usepackageamsmath

begindocument

beginflalign
a1 & = 3534534343 & \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1 
endflalign
enddocument

I am unable to use the split inside flalign as it gives me an error. Is there an easy way to do this?

align split flalign

share|improve this question

edited 8 hours ago

Siddhant

asked 8 hours ago

SiddhantSiddhant

16466 bronze badges

documentclassarticle
usepackageamsmath

begindocument

beginalign
beginsplit
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1 
endsplit
endalign
enddocument

documentclassarticle
usepackageamsmath

begindocument

beginflalign
a1 & = 3534534343 & \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1 
endflalign
enddocument

share|improve this question

edited 8 hours ago

Siddhant

asked 8 hours ago

SiddhantSiddhant

16466 bronze badges

share|improve this question

edited 8 hours ago

Siddhant

asked 8 hours ago

SiddhantSiddhant

16466 bronze badges

asked 8 hours ago

SiddhantSiddhant

16466 bronze badges

asked 8 hours ago

SiddhantSiddhant

16466 bronze badges

2 Answers
2

active

oldest

votes

4

It is not very clear what you like to achieve, but the following solution may help you:

documentclassarticle
usepackagenccmath

usepackagelipsum

begindocument
lipsum[11]
beginfleqn % defined in nccmath
beginequation
beginsplit
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1
endsplit
endequation
endfleqn
lipsum[12]
[
c^2 = a^2 + b^2
]
enddocument

Environment beginflegn ... endfleqn (defined in nccmath package) locally align equation to the left (as do amsmath option fleqn for whole document).

share|improve this answer

edited 7 hours ago

answered 8 hours ago

ZarkoZarko

142k88 gold badges7979 silver badges191191 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks! I didn't know that fleqn was so flexible. I can even use align within fleqn
  
  – Siddhant
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  +1. :-) About your earlier answer that involved hdotfill: I apologize profusely for not being much clearer. I was actually offering to delete my answer if you wanted to take its main ideas on board yourself. So sorry for not being sufficiently. Please reconsider your delete decision.
  
  – Mico
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Mico, I know, and it is ok. I'm on vacation (and my brain too ;-) so I'm very relaxing (read lazy) now, so I look site not very serious, when other member of family have siesta :-)
  
  – Zarko
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Zarko - By all means, have a wonderful, relaxing summer vacation.
  
  – Mico
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Zarko happy vacations btw!
  
  – manooooh
  4 hours ago
  

  
  
  
  

add a comment | 

5

You should be aware that flalign stands for full length align and not for flush left align.

As such, split doesn't really make sense inside it.

You can emulate split using aligned.

documentclassarticle
usepackageamsmath

usepackagelipsum % for mock text

begindocument

lipsum[1][1-3]
beginflalign
beginaligned
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1
endaligned&&
endflalign
lipsum[2][1-3]

enddocument

On the other hand, I see no reason for some displays to be flush left and others centered.

share|improve this answer

answered 7 hours ago

egregegreg

760k9090 gold badges19861986 silver badges33333333 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Off-topic. First time I see a bold italized text from one of your answers. Glad to see it!
  
  – manooooh
  4 hours ago
  

  
  
  
  

add a comment | 

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4

It is not very clear what you like to achieve, but the following solution may help you:

documentclassarticle
usepackagenccmath

usepackagelipsum

begindocument
lipsum[11]
beginfleqn % defined in nccmath
beginequation
beginsplit
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1
endsplit
endequation
endfleqn
lipsum[12]
[
c^2 = a^2 + b^2
]
enddocument

Environment beginflegn ... endfleqn (defined in nccmath package) locally align equation to the left (as do amsmath option fleqn for whole document).

share|improve this answer

edited 7 hours ago

answered 8 hours ago

ZarkoZarko

142k88 gold badges7979 silver badges191191 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks! I didn't know that fleqn was so flexible. I can even use align within fleqn
  
  – Siddhant
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  +1. :-) About your earlier answer that involved hdotfill: I apologize profusely for not being much clearer. I was actually offering to delete my answer if you wanted to take its main ideas on board yourself. So sorry for not being sufficiently. Please reconsider your delete decision.
  
  – Mico
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Mico, I know, and it is ok. I'm on vacation (and my brain too ;-) so I'm very relaxing (read lazy) now, so I look site not very serious, when other member of family have siesta :-)
  
  – Zarko
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Zarko - By all means, have a wonderful, relaxing summer vacation.
  
  – Mico
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Zarko happy vacations btw!
  
  – manooooh
  4 hours ago
  

  
  
  
  

add a comment | 

4

It is not very clear what you like to achieve, but the following solution may help you:

documentclassarticle
usepackagenccmath

usepackagelipsum

begindocument
lipsum[11]
beginfleqn % defined in nccmath
beginequation
beginsplit
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1
endsplit
endequation
endfleqn
lipsum[12]
[
c^2 = a^2 + b^2
]
enddocument

Environment beginflegn ... endfleqn (defined in nccmath package) locally align equation to the left (as do amsmath option fleqn for whole document).

share|improve this answer

edited 7 hours ago

answered 8 hours ago

ZarkoZarko

142k88 gold badges7979 silver badges191191 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks! I didn't know that fleqn was so flexible. I can even use align within fleqn
  
  – Siddhant
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  +1. :-) About your earlier answer that involved hdotfill: I apologize profusely for not being much clearer. I was actually offering to delete my answer if you wanted to take its main ideas on board yourself. So sorry for not being sufficiently. Please reconsider your delete decision.
  
  – Mico
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Mico, I know, and it is ok. I'm on vacation (and my brain too ;-) so I'm very relaxing (read lazy) now, so I look site not very serious, when other member of family have siesta :-)
  
  – Zarko
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Zarko - By all means, have a wonderful, relaxing summer vacation.
  
  – Mico
  6 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Zarko happy vacations btw!
  
  – manooooh
  4 hours ago
  

  
  
  
  

add a comment | 

It is not very clear what you like to achieve, but the following solution may help you:

documentclassarticle
usepackagenccmath

usepackagelipsum

begindocument
lipsum[11]
beginfleqn % defined in nccmath
beginequation
beginsplit
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1
endsplit
endequation
endfleqn
lipsum[12]
[
c^2 = a^2 + b^2
]
enddocument

Environment beginflegn ... endfleqn (defined in nccmath package) locally align equation to the left (as do amsmath option fleqn for whole document).

share|improve this answer

edited 7 hours ago

answered 8 hours ago

ZarkoZarko

142k88 gold badges7979 silver badges191191 bronze badges

documentclassarticle
usepackagenccmath

usepackagelipsum

begindocument
lipsum[11]
beginfleqn % defined in nccmath
beginequation
beginsplit
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1
endsplit
endequation
endfleqn
lipsum[12]
[
c^2 = a^2 + b^2
]
enddocument

share|improve this answer

edited 7 hours ago

answered 8 hours ago

ZarkoZarko

142k88 gold badges7979 silver badges191191 bronze badges

answered 8 hours ago

ZarkoZarko

142k88 gold badges7979 silver badges191191 bronze badges

answered 8 hours ago

ZarkoZarko

142k88 gold badges7979 silver badges191191 bronze badges

5

You should be aware that flalign stands for full length align and not for flush left align.

As such, split doesn't really make sense inside it.

You can emulate split using aligned.

documentclassarticle
usepackageamsmath

usepackagelipsum % for mock text

begindocument

lipsum[1][1-3]
beginflalign
beginaligned
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1
endaligned&&
endflalign
lipsum[2][1-3]

enddocument

On the other hand, I see no reason for some displays to be flush left and others centered.

share|improve this answer

answered 7 hours ago

egregegreg

760k9090 gold badges19861986 silver badges33333333 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Off-topic. First time I see a bold italized text from one of your answers. Glad to see it!
  
  – manooooh
  4 hours ago
  

  
  
  
  

add a comment | 

5

You should be aware that flalign stands for full length align and not for flush left align.

As such, split doesn't really make sense inside it.

You can emulate split using aligned.

documentclassarticle
usepackageamsmath

usepackagelipsum % for mock text

begindocument

lipsum[1][1-3]
beginflalign
beginaligned
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1
endaligned&&
endflalign
lipsum[2][1-3]

enddocument

On the other hand, I see no reason for some displays to be flush left and others centered.

share|improve this answer

answered 7 hours ago

egregegreg

760k9090 gold badges19861986 silver badges33333333 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Off-topic. First time I see a bold italized text from one of your answers. Glad to see it!
  
  – manooooh
  4 hours ago
  

  
  
  
  

add a comment | 

You should be aware that flalign stands for full length align and not for flush left align.

As such, split doesn't really make sense inside it.

You can emulate split using aligned.

documentclassarticle
usepackageamsmath

usepackagelipsum % for mock text

begindocument

lipsum[1][1-3]
beginflalign
beginaligned
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1
endaligned&&
endflalign
lipsum[2][1-3]

enddocument

On the other hand, I see no reason for some displays to be flush left and others centered.

share|improve this answer

answered 7 hours ago

egregegreg

760k9090 gold badges19861986 silver badges33333333 bronze badges

documentclassarticle
usepackageamsmath

usepackagelipsum % for mock text

begindocument

lipsum[1][1-3]
beginflalign
beginaligned
a1 & = 3534534343 \
a2 & = 2342342 \
a3 & = 4564564 \
a4 & = 5845645645864596464 \
a5 & = 345354 \
a6 & = 1
endaligned&&
endflalign
lipsum[2][1-3]

enddocument

share|improve this answer

answered 7 hours ago

egregegreg

760k9090 gold badges19861986 silver badges33333333 bronze badges

answered 7 hours ago

egregegreg

760k9090 gold badges19861986 silver badges33333333 bronze badges

answered 7 hours ago

egregegreg

760k9090 gold badges19861986 silver badges33333333 bronze badges