qp-qft

demonstrations_v2/tutorial_qft/demo.py

@@ -33,15 +33,15 @@
 """
 
 from scipy.linalg import dft
-import pennylane as qml
+import pennylane as qp
 import numpy as np
 
 n = 2
 
 print("DFT matrix for n = 2:\n")
 print(np.round(1 / np.sqrt(2 ** n) * dft(2 ** n), 2))
 
-qft_inverse = qml.adjoint(qml.QFT([0,1]))
+qft_inverse = qp.adjoint(qp.QFT([0,1]))
 
 print("\n inverse QFT matrix for n = 2:\n")
 print(np.round(qft_inverse.matrix(), 2))
@@ -90,19 +90,19 @@
 # In PennyLane, we rearrange the qubits in the opposite ordering; that is why we
 # apply SWAP gates at the end. Let's see how the decomposition looks like using the drawer:
 
-import pennylane as qml
+import pennylane as qp
 from functools import partial
 import matplotlib.pyplot as plt
 
 plt.style.use('pennylane.drawer.plot')
 
 # This line is to expand the circuit to see the operators
-@partial(qml.transforms.decompose, max_expansion=1)
+@partial(qp.transforms.decompose, max_expansion=1)
 
 def circuit():
-    qml.QFT(wires=range(4))
+    qp.QFT(wires=range(4))
 
-qml.draw_mpl(circuit, decimals = 2, style = "pennylane")()
+qp.draw_mpl(circuit, decimals = 2, style = "pennylane")()
 plt.show()
 
 #############################################
@@ -124,17 +124,17 @@ def circuit():
 
 def prep():
     """quntum function that prepares the state."""
-    qml.PauliX(wires=0)
+    qp.PauliX(wires=0)
     for wire in range(1, 6):
-        qml.Hadamard(wires=wire)
-    qml.ControlledSequence(qml.PhaseShift(-2 * np.pi / 10, wires=0), control=range(1, 6))
-    qml.PauliX(wires=0)
+        qp.Hadamard(wires=wire)
+    qp.ControlledSequence(qp.PhaseShift(-2 * np.pi / 10, wires=0), control=range(1, 6))
+    qp.PauliX(wires=0)
 
-dev = qml.device("default.qubit")
-@qml.qnode(dev)
+dev = qp.device("default.qubit")
+@qp.qnode(dev)
 def circuit():
     prep()
-    return qml.state()
+    return qp.state()
 
 state = circuit().real[:32]
 
@@ -149,12 +149,12 @@ def circuit():
 # which is able to transform the state into the frequency domain. This is shown in the code below:
 #
 
-@qml.qnode(dev)
+@qp.qnode(dev)
 def circuit():
   prep()
-  qml.QFT(wires=range(1, 6))
+  qp.QFT(wires=range(1, 6))
 
-  return qml.probs(wires=range(1, 6))
+  return qp.probs(wires=range(1, 6))
 
 state = circuit()[:32]
 

demonstrations_v2/tutorial_qft/metadata.json

@@ -8,7 +8,7 @@
     "executable_stable": true,
     "executable_latest": true,
     "dateOfPublication": "2024-04-16T00:00:00+00:00",
-    "dateOfLastModification": "2025-12-19T00:00:00+00:00",
+    "dateOfLastModification": "2026-04-06T00:00:00+00:00",
     "categories": [
         "Algorithms",
         "Quantum Computing"