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quantum_computing.ipynb
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Symbolic Quantum Computing
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%load_ext sympy_printing
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from sympy import sqrt, symbols, Rational
from sympy import expand, Eq, Symbol, simplify, exp, sin
from sympy.physics.quantum import *
from sympy.physics.quantum.qubit import *
from sympy.physics.quantum.gate import *
from sympy.physics.quantum.grover import *
from sympy.physics.quantum.qft import QFT, IQFT, Fourier
from sympy.physics.quantum.circuitplot import circuit_plot
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alpha, beta = symbols('alpha beta',real=True)
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psi = alpha*Qubit('00') + beta*Qubit('11'); psi
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Dagger(psi)
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qapply(Dagger(Qubit('00'))*psi)
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for state, prob in measure_all(psi):
display(state)
display(prob)
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represent(psi, nqubits=2)
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g = X(0); g
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represent(g, nqubits=2)
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c = H(0)*Qubit('00'); c
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qapply(c)
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for g1 in (Y,Z,H):
for g2 in (Y,Z,H):
e = Commutator(g1(0),g2(0))
if g1 != g2:
display(Eq(e,e.doit()))
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c = H(0)*X(1)*H(0)**2*CNOT(0,1)*X(1)**3*X(0)*Z(2)**2*S(3)**3; c
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circuit_plot(c, nqubits=4)
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gate_simp(c)
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circuit_plot(gate_simp(c),nqubits=5)
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%notebook save quantum_computing.ipynb