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add a row or column to an existing matrix
  Rank: Member Groups: Registered
Joined: 16/05/2017(UTC) Posts: 25 
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Hi,
Is there a quicker way than creating a new larger matrix (I've seen a discussion 3 years ago on adding a row to a matrix)?
Is there an alternative means of creating a look-up table of values?
Regards, Tim
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  Rank: Advanced Member Groups: Registered, Advanced Member Joined: 13/01/2012(UTC) Posts: 2,648   Location: Italy Was thanked: 1331 time(s) in 876 post(s)
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Hello Tim, there are stack() and augment() functions, as well as direct assignment of an element outside the boundaries, that automatically increase the matrix size to include the new element ![2017-06-01 17_20_10-SMath Studio - [Page1_].png](/forum/resource.ashx?a=17874&b=2) Edited by user 08 June 2017 03:19:31(UTC)
| Reason: marked as SOLVED |
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 Rank: Guest
Groups: Registered
Joined: 04/07/2015(UTC) Posts: 6,866  Was thanked: 981 time(s) in 809 post(s)
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You have two requests in one question !!! Modify and lookup ... Insert col/row ... page 13, then modify at will lookup also included Jean  Utilities Matrix Treasury Copy.sm (337kb) downloaded 457 time(s).
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Rank: Member Groups: Registered
Joined: 16/05/2017(UTC) Posts: 25
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Thank you Davide, thank you Jean.
Your help is much appreciated, I'm rolling now, a fabulous program and forum.
Tim
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