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### What happened?
cobyla error opt value output and input .when use probelm type :maximization.
### How to reproduce the issue?
```shell
i use python code is
"""
def _exec(X0):
"""Main functio…
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# Abstract
Variational quantum eigensolver (VQE) is a hybrid quantum algorithm to find the ground state of an input Hamiltonian. There are several classical optimizer available in Qiskit Aqua such as…
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Besides the lower and upper bounds for the variables, I also have a constraint, that the sum of the variables must be limited to a certain value.
In scipy I would define it as follows:
```
x0=[…
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Current strategy:
Using random samples for the hulls.
Closest n matrices :
For each class we calculate the closest n (n=10) matrices to the test sample. This will be done using distance_logeuclid…
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Models that are run with PRAXIS as the optimizer will not terminate. In the simple example below, the model will spin indefinitely but if manually stopped, it will return the expected coefficients. BO…
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...
model = KRG({})
model.set_training_values(inputsincolumns,outputsincolumns)
model.train()
...
#============
The amount of data:inputsincolumns(6 rows and 3000 columns),outputsincolumns(7 row…
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I'm sorry if this is a stupid question, but I'm getting an error:
```python
File "/anaconda3/lib/python3.6/collections/__init__.py", line 434, in namedtuple
exec(class_definition, namespace…
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Hi all,
I've been discussing with @zaikunzhang about creating a Python reference implementation and now I'm making it official by creating this issue!
I think a Python reference implementation w…
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### What happened?
The class QuantileMatchingFactory is poorly documented. It is difficult to know how the fitted distribution is obtained.
Here are some problems.
1. We give more (qi,pi) than r…
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In GitLab by @mkovari on May 15, 2014, 09:02
HSL has a version of VMCON called VF13. The tar file includes documentation and test files. It seems a little more sophisticated than VMCON:
" Two line…