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...ailable on CRAN. QGA implements the Quantum Genetic Algorithm, as proposed by Han and Kim in 2000, and is an R implementation derived from the Python one by Lahoz-Beltra in 2016. Under this approach, each solution is represented as a sequence of (qu)bits. Simulating the quantum paradigm, these qubits are in a superposition state: when measuring them, they collapse in a 0 or 1 state. After measurement, the solution's fitness is calculated as in usual genetic algorithms. The evolution at each iteration is oriented by the application of two quantum gates to the amplitudes of the qubits:...

...ailable on CRAN. QGA implements the Quantum Genetic Algorithm, as proposed by Han and Kim in 2000, and is an R implementation derived from the Python one by Lahoz-Beltra in 2016. Under this approach, each solution is represented as a sequence of (qu)bits. Simulating the quantum paradigm, these qubits are in a superposition state: when measuring them, they collapse in a 0 or 1 state. After measurement, the solution's fitness is calculated as in usual genetic algorithms. The evolution at each iteration is oriented by the application of two quantum gates to the amplitudes of the qubits:...

...ruct quantum_matrix_struct quantum_matrix; struct quantum_reg_node_struct { COMPLEX_FLOAT amplitude; /* alpha_j */ MAX_UNSIGNED state; /* j */ }; typedef struct quantum_reg_node_struct quantum_reg_node; /* The quantum register */ struct quantum_reg_struct { int width; /* number of qubits in the qureg */ int size; /* number of non-zero vectors */ int hashw; /* width of the hash array */ quantum_reg_node *node; int *hash; }; If you do the trick of writing to a separate array, then the loop can be vectorized. Diego.

...e there any problems using samba with Win98 (compared to Win95 which works fine)? Thanks in advance for any advice, Andreas --------------------------------------------------------------------- Andreas K. Huettel Andreas.Huettel@Extern.LRZ-Muenchen.DE 81627 Muenchen huettel@qubit.org Germany http://www.lrz.de/~huettel/ --------------------------------------------------------------------- ===================================================================== News Release January 4, 1999 Redmond, Washington Bill Gates, Chairman and CEO of Microsoft Cor...

Without wishing to fan the flames, this struck me as interesting. -Gabe Qubit% diff -u Name.html.orig Name.html --- Name.html.orig 2007-05-30 23:22:11.000000000 -0500 +++ Name.html 2007-05-30 23:29:56.000000000 -0500 @@ -365,7 +365,7 @@ the weapons of the Gods</td></tr> <tr><th>Lemnos</th><td>Greek mythology: the islan...

On Wed, Jan 15, 2014 at 5:30 PM, Nadav Rotem <nrotem at apple.com> wrote: > Was the vectorizer successful in unrolling the loop in quantum_sigma_x? I > wonder if 'size’ is typically high or low. No. The vectorizer stated that it wasn't going to bother with the loop because it wasn't profitable. Specifically: LV: Checking a loop in "quantum_sigma_x" LV: Found a

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