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**Describe the bug**
develop branch seems to have a bug, at least on my mac. I haven't been able to reproduce it anywhere else. Looks like a BUS error on unit_test_estimator
(note also, if you wan…
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### Prerequisites
* [x ] Put an X between the brackets on this line if you have done all of the following:
* Checked that your issue isn't already filed: https://github.com/issues?utf8=✓&q=is%…
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### Description
I'm getting some crash reports from a small number of users when opening our MAUI app on iOS with the following stack trace:
```
0 libsystem_kernel.dylib 0x00000001e74eb…
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**Describe the bug**
I ran a simple PBE calculation in ORCA (cc-pVDZ basis), converted the .gbw file to molden using orca_2mkl, and then used molden2qmc to convert it into an .h5. I then generated …
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Rename this tab and make it the central Monte Carlo tab: Monte Carlo Simulations Using ALPS -> Monte Carlo
Let's move Monte Carlo stuff under the "Monte Carlo" tab.
1) Monte Carlo Simulation Dir…
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We could "easily" implement the simulation, but what for? Can we think about good problems to be solved?
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**Is your feature request related to a problem? Please describe.**
Finite difference implementation complicates the code. It may cause unexpected side effect since it naturally changes the states of …
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The OneShiftOnly optimizer minimizes only the total energy and is not capable of variance minimization, or minimization of mixtures of energy and variance.
Additionally, the default cost function (…
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Hello PSI4 developers.
[CASINO](https://en.wikipedia.org/wiki/CASINO) is well known program for performing quantum Monte Carlo (QMC) electronic structure calculations. Third-party codes are requir…
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Hello there!
I am trying to use the Multivariate Normal Integration algorithm that is embedded in scipy, in the mvn package. Specifically, I am trying to use mvn.mvnun function, for very large numb…