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Find the root of f(sigma) = sum{j}Theta(l{i} - sigma)(l_{i} - sigma) = T
openfermion.third_party.higham_root(
eigenvalues, target_trace, epsilon=1e-15
)
Args | |
---|---|
eigenvalues
|
ordered list of eigenvalues from least to greatest |
target_trace
|
trace to maintain on new matrix |
epsilon
|
precision on bisection linesearch |