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exception to non-scalar passsed to solver.optimizer #753 #789

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exception to non-scalar passsed to solver.optimizer #753 #789

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exception to non-scalar passsed to solver.optimizer
Sbhat92 May 9, 2023
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exception to non-scalar passsed to solver.optimizer
Sbhat92 May 11, 2023
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2 changes: 2 additions & 0 deletions nutils/solver.py
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Original file line number Diff line number Diff line change
Expand Up @@ -763,6 +763,8 @@ def _optimize(target, functional: evaluable.asarray, constrain, arguments, tol:
dtype = _determine_dtype(target, (functional,), lhs0, constrain)
mask, vmask = _invert(constrain, target)
lhs, vlhs = _redict(lhs0, target, dtype)
if functional.shape != ():
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raise ValueError('The objective function must be a scalar function of a single variable')
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val, res, jac = _integrate_blocks(functional, residual, jacobian, arguments=lhs, mask=mask)
if droptol is not None:
supp = jac.rowsupp(droptol)
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