MatthiasQuintern/cpp-mps
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matthias@quintern.xyz 2025-03-09 22:02:52 +01:00
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commit de12f85dfc
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src/mps.hpp
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@ -116,6 +116,12 @@ std::tuple<e::Tensor<dtype, 3>, e::Tensor<dtype, 1>, e::Tensor<dtype, 3>>
split_truncate_theta(const e::MatrixX<dtype>& theta, e::Index chivL, e::Index dL, e::Index dR, e::Index chivR, size_t chiMax, dtype eps);
/**
* @brief Apply a pertubation to the entries in the physical dimension of the B tensors
* @details
* For each value in the physical dimension, adds a random value between 0 and `pertubationStrength`.
* Then, every tensor is normalized again.
*/
template<typename T>
void applyPertubationOnB(std::vector<e::Tensor<T, 3>>& Bs, double pertubationStrength) {
std::mt19937 generator(493852934); // Mersenne twister rng