How can I Multiply a vector by a weight matrix

4 ビュー (過去 30 日間)

Prince Igweze 2019 年 11 月 17 日

編集済み: Adam Danz 2019 年 11 月 17 日

How can i multiple a 20 by 50 matrix (A) by a 20 by 20 weigting matrix(S)

i.e SA

THANK you

Fabio Freschi 2019 年 11 月 17 日

If A is 20 by 50 and S is 20 by 20, the product S*A is defined and the result is a 20 by 50 matrix.

Adam Danz 2019 年 11 月 17 日

編集済み: Adam Danz 2019 年 11 月 17 日

Here's a quick refresher on matrix multiplication

The only thing you need to know that is Matlab related is that A*B will execute matrix multiplication. A.*B will execute element-wise multiplication.

Help Center および File Exchange で Number Theory についてさらに検索

Find the treasures in MATLAB Central and discover how the community can help you!

Translated by