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How can I multiply a row vector with each of two column vectors?

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wd w
wd w am 18 Feb. 2024
Kommentiert: Voss am 19 Feb. 2024
I have a row vector and two column vectors, and intend to perform their multiplication (element by element). The following is an example.
t = [1 2];
s = [(1:3)',(4:6)'];
The expected result:
1 4 2 8
2 5 4 10
3 6 6 12

Akzeptierte Antwort

Voss
Voss am 18 Feb. 2024
One way:
t = [1 2];
s = [(1:3)',(4:6)'];
reshape(t.*s(:),size(s,1),[])
ans = 3×4
1 4 2 8 2 5 4 10 3 6 6 12

Weitere Antworten (1)

Torsten
Torsten am 18 Feb. 2024
Verschoben: Torsten am 18 Feb. 2024
t = [1 2];
s = [(1:3)',(4:6)'];
kron(t,s)
ans = 3x4
1 4 2 8 2 5 4 10 3 6 6 12

Produkte


Version

R2023b

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