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add a row or column to an existing matrix - modify existing matrix - Сообщения
#1 Опубликовано: 01.06.2017 11:59:50
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
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
#2 Опубликовано: 01.06.2017 12:22:06
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](/ru-RU/file/a8xLwy/2017-06-01-17_20_10-SMath-Studio---_Page1___png)
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
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#3 Опубликовано: 01.06.2017 12:58:17
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 (336 КиБ) скачан 540 раз(а).
Modify and lookup ...
Insert col/row ... page 13, then modify at will
lookup also included
Jean
Utilities Matrix Treasury Copy.sm (336 КиБ) скачан 540 раз(а).
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