Subtracting matrices with a different number of columns - Arithmetic operation with a varying number of columns. - Messaggi
#1 Pubblicato: 19/11/2025 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 Pubblicato: 19/11/2025 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.
Modificato 19/11/2025 20:08:39
Technische Mechanik mit SMath Studio: https://link.springer.com/book/10.1007/978-3-658-50592-9
#3 Pubblicato: 20/11/2025 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
Modificato 20/11/2025 09:52:44
Yoshi
#4 Pubblicato: 21/11/2025 10:11:24
Like this?
#5 Pubblicato: 21/11/2025 12:02:20
Slightly different solution
Technische Mechanik mit SMath Studio: https://link.springer.com/book/10.1007/978-3-658-50592-9
#6 Pubblicato: 21/11/2025 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
Modificato 21/11/2025 13:51:59
Yoshi
#7 Pubblicato: 21/11/2025 16:10:30
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