qml.math.sqrt_matrix

sqrt_matrix(density_matrix)

Compute the square root matrix of a density matrix where \(\rho = \sqrt{\rho} \times \sqrt{\rho}\)

Parameters:

density_matrix (tensor_like) – 2D or 3D (with batching) density matrix of the quantum system.

Returns:

Square root of the density matrix.

Return type:

(tensor_like)

code/api/pennylane.math.sqrt_matrix

 

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