Simplify Matrix decimal to integers
显示 更早的评论
I do not want
881/2158 985/1393 780/1351
881/2158 -985/1393 780/1351
-881/1079 0 780/1351
But I want
1 1 1
1 -1 1
-2 0 1
How do I do this using one single function ?
I get this error if I use simplify
Check for incorrect argument data type or missing argument in call to function 'simplify'.
回答（2 个）
One way is
M = [881/2158 985/1393 780/1351
881/2158 -985/1393 780/1351
-881/1079 0 780/1351]
ip = find(M>=0);
in = find(M<0);
M(ip) = ceil(M(ip));
M(in) = floor(M(in));
disp(M)
Don't know where you got the -2 from though!
Cris LaPierre
2021-10-19
编辑：Cris LaPierre
2021-10-19
It's likely going to take two functions: one to convert your symbolic expressions to numeric, and a second to round.
I would probably do something like
new_var = round(double(old_var))
5 个评论
Shaunak Bagade
2021-10-19
Cris LaPierre
2021-10-19
You say you are getting an error message, so you must have code already. Please share what you have tried.
M = [881/2158 985/1393 780/1351
881/2158 -985/1393 780/1351
-881/1079 0 780/1351];
B = M./M(1,:)
Or you could normalize by the first element in each column.
M = [881/2158 985/1393 780/1351
881/2158 -985/1393 780/1351
-881/1079 0 780/1351];
B = normalize(M, 1, 'scale', 'first') % Normalize in dimension 1
Shaunak Bagade
2021-10-19
编辑：Shaunak Bagade
2021-10-22
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2021-10-19
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