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Quantum Natural Gradient to handle repeated parameterized variables #462

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1tnguyen opened this issue Jun 16, 2021 · 0 comments
Open

Quantum Natural Gradient to handle repeated parameterized variables #462

1tnguyen opened this issue Jun 16, 2021 · 0 comments

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@1tnguyen
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Currently, QNG impl. cannot handle repeated variable (x0 in the below example).
Need to enhance the toParametrizedLayers method to support this.

Test ansatz circuit:

X q0
X q2
H q0
H q1
H q2
Rx(1.57079) q3
CNOT q0,q1
CNOT q1,q2
CNOT q2,q3
Rz(-0.353554 * x0) q3
CNOT q2,q3
CNOT q1,q2
CNOT q0,q1
H q0
H q1
H q2
Rx(-1.57079) q3
H q0
H q1
Rx(1.57079) q2
H q3
CNOT q0,q1
CNOT q1,q2
CNOT q2,q3
Rz(0.353554 * x0) q3
CNOT q2,q3
CNOT q1,q2
CNOT q0,q1
H q0
H q1
Rx(-1.57079) q2
H q3
H q0
Rx(1.57079) q1
H q2
H q3
CNOT q0,q1
CNOT q1,q2
CNOT q2,q3
Rz(-0.353554 * x0) q3
CNOT q2,q3
CNOT q1,q2
CNOT q0,q1
H q0
Rx(-1.57079) q1
H q2
H q3
H q0
Rx(1.57079) q1
Rx(1.57079) q2
Rx(1.57079) q3
CNOT q0,q1
CNOT q1,q2
CNOT q2,q3
Rz(-0.353554 * x0) q3
CNOT q2,q3
CNOT q1,q2
CNOT q0,q1
H q0
Rx(-1.57079) q1
Rx(-1.57079) q2
Rx(-1.57079) q3
Rx(1.57079) q0
H q1
H q2
H q3
CNOT q0,q1
CNOT q1,q2
CNOT q2,q3
Rz(0.353554 * x0) q3
CNOT q2,q3
CNOT q1,q2
CNOT q0,q1
Rx(-1.57079) q0
H q1
H q2
H q3
Rx(1.57079) q0
H q1
Rx(1.57079) q2
Rx(1.57079) q3
CNOT q0,q1
CNOT q1,q2
CNOT q2,q3
Rz(0.353554 * x0) q3
CNOT q2,q3
CNOT q1,q2
CNOT q0,q1
Rx(-1.57079) q0
H q1
Rx(-1.57079) q2
Rx(-1.57079) q3
Rx(1.57079) q0
Rx(1.57079) q1
H q2
Rx(1.57079) q3
CNOT q0,q1
CNOT q1,q2
CNOT q2,q3
Rz(-0.353554 * x0) q3
CNOT q2,q3
CNOT q1,q2
CNOT q0,q1
Rx(-1.57079) q0
Rx(-1.57079) q1
H q2
Rx(-1.57079) q3
Rx(1.57079) q0
Rx(1.57079) q1
Rx(1.57079) q2
H q3
CNOT q0,q1
CNOT q1,q2
CNOT q2,q3
Rz(0.353554 * x0) q3
CNOT q2,q3
CNOT q1,q2
CNOT q0,q1
Rx(-1.57079) q0
Rx(-1.57079) q1
Rx(-1.57079) q2
H q3
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@1tnguyen