How can I implement this equation in matlab?

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How can I implement this equation in matlab?
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Sridhar S
Sridhar S on 29 Nov 2022
Its Haar wavelet function value H describes Haar matrix and P Q R describes integral values of the function

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Accepted Answer

Catalytic
Catalytic on 29 Nov 2022
Edited: Catalytic on 29 Nov 2022
All of the summations can be pre-computed using matrix multiplication, e.g. -
The results of these are all vectors. Once you've precomputed these vectors, the rest of the operations are just simple adds and multiplies.
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