Tag: quantum computing
Quantum computing guides for programmers and engineers: learn qubits, superposition, interference, quantum algorithms and simulation from first principles.
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Quantum Computing: The Walsh-Hadamard Matrix — Backbone of Grover’s Diffusion Operator
Part of the Quantum Computing: A Complete Learning Path series. QUANTUM SERIES 2026 The mathematical foundation behind Grover’s diffusion operator…
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Quantum Computing: Grover’s Algorithm – Inversion About the Mean
Grover’s algorithm by exact matrix evolution: a full 3-qubit walkthrough of the oracle and the inversion-about-the-mean amplitude amplification step.
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The Cost of Garbage in Quantum Computing
Why leftover ancilla qubits (junk bits) destroy quantum interference, and how uncomputation cleans them up to preserve an algorithm’s speedup.
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Reversible Computation in Quantum Computing: Gates & Ancilla Bits
Why quantum computation must be reversible: irreversible classical gates like AND, ancilla bits as scratch space, and the Toffoli and…
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Deutsch Algorithm Revisited: Quantum vs Classical Implementation in Qiskit
Part of the Quantum Computing: A Complete Learning Path series. QUANTUM SERIES 2026 Quantum vs classical implementation of Deutsch’s Algorithm…
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Deutsch’s Algorithm in Quantum Computing: The 4 Cases
Deutsch’s algorithm explained: the four one-bit Boolean functions, the reversible oracle, and the single-query circuit that beats the classical two.
