Coding Challenges

Certificate Challenge: Introduction to PennyLane

Test your basics of PennyLane and earn a certificate.

Returning Expectation Values

Build a PennyLane circuit that returns the expectation value.

Returning Tensor Product Observables

Return the expectation value of a 2-qubit observable.

Introduction to LCUs

Apply a non-unitary operator to a quantum state.

The Lazy Colleague

Identify a lazy co-worker using an oracle.

The False Proof

Use a quantum circuit to debunk a flawed proof.

Changing Qubits

Route a quantum state through the virus-ridden channel.

A Simple Trotterization

Implement the unitary evolution of a Hamiltonian.

Hamiltonians and Operator Arithmetic

Create a given Hamiltonian using operator arithmetic.

Keeping Expectations Low

Use an optimization routine to minimize an expectation value.

The Hessian of a Circuit

Use the parameter-shift rule to calculate the Hessian.

The Parameter-Shift Rule

Calculate the gradient of a variational circuit.

Ising Uprising

Use the VQE on the Transverse Ising Model.

Undo that Computation

Implement a reversible computation.

My First Quantum Simulation

Build a toy version of PennyLane using numpy.

Universality of Single-Qubit Gates

Create an arbitrary single-qubit gate using rotations.

Don't Hit the Ground

Calculate the half-life of an excited state.

A Pauli-Worded Problem

Identify a state from noisy copies of it.

Quantum State Discrimination

Distinguish two qubit states using one measurement.