Verify if the given generators preserve the codespace.

A function that compares two sets of MCM outcomes.

Computes the accuracy over the provided features and labels

Computes the optimal state-independent baseline to minimize the gradient variance.

Defining the gate decomposition

Compute the canonical logical operators for stabilizer codes.

Compute the reward for the pulse program based on the average gate fidelity.

Generates the independent Pauli checks and the full stabilizer group.

Prepare the MPS |Ψ(g)> in constant depth.

Circuit ansatz for constant-depth preparation routine.

Apply both the convolutional and pooling layer.

Define the QCNN circuit Args: weights (np.array): Parameters of the convolution and pool layers. last_layer_weights (np.array): Pa

Adds a convolutional layer to a circuit. Args: weights (np.array): 1D array with 15 weights of the parametrized gates. wires (list

Applies the unitary transformation corresponding to the core tensor.

Perform a correction on the end bond site.

Cost function on N qubits with N frequencies.

Multi-class cross entropy loss function

A custom polynomial of degree <= d and parity d % 2

Current working directory of the process.

Decode a length-m syndrome vector and return the estimated error.

Quantum circuit decoding and uncomputing error register

Compute the type-A KAK decomposition of the block-diagonal matrix U⊕V that corresponds to demultiplexing.

Apply an arbitrary unitary gate to a specified set of wires.

Sends |c>|x>QFT(|b>)|0> -> |c>|x>QFT(|b + c x a) mod N>)|0>.

Display multiple PennyLane circuits side by side.

Quantum circuit uncomputing weight register and encoding vector of constraints.

Calculate the energy of an Ising model given spin configurations. Parameters: - z: A dictionary representing the spin configurations for

Calculates the energy eigenvalues for the full Hamiltonian, as a function of the distance between the atoms.

Layer of CNOTs followed by another shifted layer of CNOT.

Error correction decoder for the 5-qubit error correction code generated by stabilizers XZZXI, IXZZX, XIXZZ, ZXIXZ.

Adapted from https://github.com/momohuang/predicting-quantum-properties Calculate the estimator E[O] = median(Tr{rho_{(k)} O}) where rho_(k))

Evaluates the threshold for a given set of distances and noise levels.

Evaluate the gradient, as well as the variance in the gradient, for the ith parameter in params, using the parameter-shift rule.

Compute the average gate fidelity over 1000 random initial states.

Reconstruct the even part of ``R``-frequency input function via equidistant shifts.

Classically simulate a tape and estimate the expectation value of its output observable using truncated Pauli propagation.

Expectation value of $A$ as a function of $a$ where we use the a variational ground state solution map. Args: a (float): The paramete

Function f from before, but with input split into two variables, and running from 0,...5.

Putting the smaller transforms together.

Fourier transform over a smaller group or coset.

Compute the central-difference finite difference of a function

Computes the first 2*K+1 Fourier coefficients of a 2*pi periodic function.

Convert the matrix Q of Eq.3 into Eq.13 elements J and h

Function whose Fourier spectrum is `g_hat`.

Fourier coefficients of f.

Generates all bit strings of a given length and Hamming weight.