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How does the matrix product block work?

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bao nguyen
bao nguyen el 26 de En. de 2024
Respondida: Fangjun Jiang el 7 de Mayo de 2024
I am doing ... just simple matrix multiplication in simulink and it does not work. Just by speculation alone, the 2 input signals that go into the product block have the dimension 2 and [2x2] respectively, so I expect the block should output some 2-vector, but it does not. Could somebody help me?
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Paul
Paul el 27 de En. de 2024
Are you trying to form M*tau where tau is column vector? Or tau*M where tau is row vector?

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Respuestas (2)

Walter Roberson
Walter Roberson el 26 de En. de 2024
The input signal is dimension 2, not 1 x 2 or 2 x 1. You need to pass it through a reshape block https://www.mathworks.com/help/simulink/slref/reshape.html

Fangjun Jiang
Fangjun Jiang el 7 de Mayo de 2024
For the [1 2] Constant block, un-check "Interpret vector parameters as 1-D".
For your Inport block, specify its Port dimensions as [1 2]

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