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I want to set a default product in Mathematica in place of the standard product. Specifically, I want to change the standard product for CenterDot so that when I perform A.B, where A and B are two matrices, the multiplication of the terms is done using the CenterDot.

Alternatively, is there a way to perform specifying which product I want to use when performing the A.B operation?

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  • $\begingroup$ Could you please provide a more detailed example? If your question is too general, it is highly possible that you will not get answers. $\endgroup$
    – Αλέξανδρος Ζεγγ
    Commented Jun 7, 2019 at 7:59

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I found a very simple solution. To use the function Inner with the functions Plus and CenterDot. Thanks everyone.

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  • $\begingroup$ Yes, that is it. $\endgroup$
    – Αλέξανδρος Ζεγγ
    Commented Jun 7, 2019 at 8:00
  • $\begingroup$ @ΑλέξανδροςΖεγγ However, I have a question, hope you can help me. I am trying to implement this in something that looks like Sum[A^i, {i, 0, l}]. Where A is a matrix. However, I want that "power" to be the A.A.A....A i times, using CenterDot to multiply the terms. $\endgroup$
    – Alonso Perez-Lona
    Commented Jun 7, 2019 at 8:06
  • $\begingroup$ So, what is it? $\endgroup$
    – Αλέξανδρος Ζεγγ
    Commented Jun 7, 2019 at 8:07
  • $\begingroup$ @ΑλέξανδροςΖεγγ I edited my question in the comment above $\endgroup$
    – Alonso Perez-Lona
    Commented Jun 7, 2019 at 8:21
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    $\begingroup$ could you please make your answer more explicit please. Presently its not exactly clear what the question/ the answer is. $\endgroup$
    – chris
    Commented Mar 3, 2020 at 9:38

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