Description: The state vector is a fundamental representation of a quantum system within the framework of quantum mechanics. In this context, a quantum state is described as a vector in a Hilbert space, which is a complex vector space. This representation allows capturing information about the properties of the system, such as position, momentum, and spin of particles. Quantum states can be combined through superposition, meaning that a quantum system can exist in multiple states simultaneously. This feature is key to understanding quantum phenomena such as entanglement and interference. Additionally, state vectors are used to calculate probabilities of measurement outcomes through Born’s rule, which states that the probability of obtaining a specific result is proportional to the square of the modulus of the amplitude of the corresponding state vector. In summary, the state vector is essential for the mathematical formulation of quantum mechanics and provides a foundation for the development of quantum technologies, such as quantum computing and quantum cryptography.