Nikolas Tezak ntezak
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| <!DOCTYPE html> | |
| <html> | |
| <head><meta charset="utf-8" /> | |
| <title>GateNoiseModels</title><script src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.1.10/require.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script> | |
| <style type="text/css"> | |
| /*! | |
| * |
ntezak
/ qnet_td_qutip.py
Created
March 17, 2016 20:09
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| def time_dependent_to_qutip(operator, full_space=None, t=symbols("t", real=True)): | |
| import re | |
| if t in operator.all_symbols(): | |
| operator = operator.expand() | |
| if isinstance(operator, OperatorPlus): | |
| return [time_dependent_to_qutip(o, full_space) for o in operator.operands] | |
| elif isinstance(operator, ScalarTimesOperator): | |
| return [operator.term.to_qutip(full_space), | |
| re.sub("I", "(1.0j)", str(operator.coeff))] # a bit of a hack to replace imaginary unit | |
| return [operator.to_qutip(full_space), "1"] |
ntezak
/ my_lambdify.py
Last active
December 1, 2015 18:44
Snippet to improve execution speed of lambdify by identifying common subexpressions
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| import sympy | |
| from collections import defaultdict | |
| def walk_exprs(exprs, subexpr=None): | |
| """ | |
| Return a dict {expr: frequency} for all subexpressions in the sequence of expressions `expr`. | |
| """ | |
| if subexpr is None: | |
| subexpr = defaultdict(int) | |
| for e in exprs: |
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| set nocompatible " Fuck VI... That's for grandpas. | |
| filetype off | |
| set rtp+=~/.vim/bundle/vundle/ | |
| call vundle#rc() | |
| " Vundle let's you specify a plugin in a number of formats, but my favorite | |
| " allows you to grab plugins straight off of github, just specify the bundle | |
| " in the following format: | |
| " Bundle 'githubUsername/repoName' |
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| diff --git a/src/configure.in b/src/configure.in | |
| index e57be41..7606d1f 100644 | |
| --- a/src/configure.in | |
| +++ b/src/configure.in | |
| @@ -1011,9 +1011,14 @@ AC_ARG_ENABLE(pythoninterp, | |
| [enable_pythoninterp="no"]) | |
| AC_MSG_RESULT($enable_pythoninterp) | |
| if test "$enable_pythoninterp" = "yes" -o "$enable_pythoninterp" = "dynamic"; then | |
| - dnl -- find the python executable | |
| - AC_PATH_PROGS(vi_cv_path_python, python2 python) |
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| import qnet.circuit_algebra as ca | |
| import sympy | |
| Q = ca.local_space('Q') | |
| a = ca.Destroy(Q) | |
| Delta, kappa = sympy.symbols('Delta, kappa', real = True) | |
| H = Delta * a.dag() * a | |
| L = ca.Matrix(ca.sqrt(Delta) * a) | |
| S = ca.identity_matrix(1) | |
| cavity_model = ca.SLH(S, L, H) |