Alessandro

Last seen: 5 days ago | Active since 2024

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Change size of input arguments without recompiling mex with codegen
I compiled a simple function with matlab coder. The function takes three input arguments: xvec is [nx,1], yvec is [ny,1] and zma...

1 month ago | 2 answers | 0

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Vectorized code slower than loops
I am trying to speed up the code reported below (it is a MWE, actual code is more complicated). I vectorized the inner loop (see...

3 months ago | 6 answers | 0

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Convert cell array of structures to numeric vector
Suppose I have ale{1}.a = 0; ale{2}.a = 1; ale{3}.a = 1.5 ale_vec = NaN(length(ale),1); for ii=1:length(ale) ale_vec(...

5 months ago | 2 answers | 0

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How to speed up vectorized operations for dynamic programming
I would like to speed up the following code which solves a discrete dynamic programming problem using the method of successive a...

6 months ago | 1 answer | 0

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Colon operands must be real scalars
I tested the following code: x = rand(1,3); x([1,2]:[1,2]) In R2024a it gives a warning but it is ok in R2023b! Some existi...

6 months ago | 2 answers | 0

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Poor performance of linprog in practice
I have to solve a dynamic programming problem using a linear programming approach. For details, please see this paper. The LP th...

6 months ago | 1 answer | 0

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Alessandro

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