Subtracting matrices with a different number of columns - Arithmetic operation with a varying number of columns. - Messages
#1 Posted: 2025/11/19 08:25:09
Hi,
Rc can have any number of columns and I want to subtract one column (xc, xy...) from that.
Is this only possible with a loop, or is there a more elegant way?
Rc can have any number of columns and I want to subtract one column (xc, xy...) from that.
Is this only possible with a loop, or is there a more elegant way?
Yoshi
#2 Posted: 2025/11/19 20:07:43
It seems that you should write Rc: L-xc where xc is the vector of coordinates of the reference point. But you better attach an sm file and a more comprehensible description of what you want. I don't see a matrix with multiple columns in your example.
Edited 2025/11/19 20:08:39
Technische Mechanik mit SMath Studio: https://link.springer.com/book/10.1007/978-3-658-50592-9
#3 Posted: 2025/11/20 07:43:34
Hi Martin, here is the worksheet.
Rc should be calculated automatically depending on the number of forces entered.
bolt_pattern.sm
Rc should be calculated automatically depending on the number of forces entered.
bolt_pattern.sm
Edited 2025/11/20 09:52:44
Yoshi
#5 Posted: 2025/11/21 12:02:20
Slightly different solution
Technische Mechanik mit SMath Studio: https://link.springer.com/book/10.1007/978-3-658-50592-9
#6 Posted: 2025/11/21 13:22:56
Thank you very much for your help, it works perfectly now. Martin's solution is a little more compact, but both work.
bolt_pattern.sm
bolt_pattern.sm
Edited 2025/11/21 13:51:59
Yoshi
#7 Posted: 2025/11/21 16:10:30
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