- matrix operations ( without the dot) use rules of linear algebra, or solve systems of equations.
- array operations ( with the dot) perform element-wise operations.
several questions for a beginner
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Eliraz Nahum
il 21 Set 2018
Commentato: Image Analyst
il 22 Set 2018
hello, I am trying to figure out when I have to use the "." sign before mathematical operations. I read that by writing, for example, v1.*v2, I mean that the multiplying is between the vectors components. On the other hand there were some cases in which it was written v1(3)*v2(3) without the "." So I try to understand when I should use it. thanks
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Stephen23
il 21 Set 2018
Modificato: Stephen23
il 21 Set 2018
The difference is explained here:
Short summary:
Read the link above and the help for each specific operator to know what it does. More detailed explanations:
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Image Analyst
il 22 Set 2018
Eliraz's "Answer" moved here since it's a comment to Stephen rather than an "Answer" by Elirah to his original question.
thanks a lot!
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