Expanded use of .* operator
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Paul Mennen
am 22 Mär. 2023
Kommentiert: Steven Lord
am 22 Mär. 2023
When you type:
>> (1:6) .* (1:3)'
You get:
ans =
1 2 3 4 5 6
2 4 6 9 10 12
3 6 9 12 15 18
This works in recent Matlab versions going back to R2018a (which is as far back as the on-line documentation will go).
But it doesn't work in R2013b. (It gives an error which says that incorrect dimensions were used.) Does anyone have access to any of the versions between those two to help me pin down more precisely when this expanded use of the times operator was introduced?
Thanks
~Paul
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John D'Errico
am 22 Mär. 2023
Bearbeitet: John D'Errico
am 22 Mär. 2023
R2016b
No need for access. That is when it appeared.
Before that, bsxfun was needed. bsxfun appeared in R2007a. Before that, we needed to use tools like repmat. And before that we used pencil and paper. Things were hard back then.
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