we have problem to dump our WW to the evaporation pound due to environmental regulation and need to reduce the MeOH in ww to maximum 3ppm. actually the only system that we have is stripper column which is not much effective. we tried acetic Acid to reduce the MeOH in Lab but the result is not satisfaction. is there any other solution except biological solution?

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I have a huge matrix defined using constantarray function and it allocates so much memory preventing the calculation. Therefore, I would like to change the constant array matrix into sparse matrix which stores only nonzero elements enables reducing the memory size.

Here is just a simple example. Lets say I have a constant array as "deneme" and convert it into sparse matrix as...

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$$ \max \ \ \ \ \ \ \ \ |b-a| \\s.t.\ \ \ \forall \ x \in [a, b] \\ \ \ \ \ \ \ \ \ \ \ \ f(x) \leq g(x) \\ \ \ \ \ \ \ \ \ \ 0\leq a\leq 1 \\ \ \ \ \ \ \ \ \ \ 0\leq b\leq1$$

Is it Robust Optimization Problem?

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