MAINT make sure that x0 is 1D when passed to minimize #23659
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lesteve
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Jun 21, 2022
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Looks fine.
It looks like we were using a slightly unsupported behaviour. It seems to be working as expected even if the array was multi-dimensional and scipy.optimize.minimize expects a 1d array for its x0 parameter.
Edit: in this case we are using LBFGS which does the x0.ravel() anyway so we were fine I think: https://github.com/scipy/scipy/blob/5f92e82876e876bb8132c6ad9ed53c500e05f93e/scipy/optimize/_lbfgsb_py.py#L277
thomasjpfan
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Jun 21, 2022
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Related to #23626
minimizevalidates the input andx0should be a 1D array in the future.