gusucode.com > qit_matlab_0.10.0工具箱源码程序 > qit/ChangeLog.txt
Changelog for Quantum Information Toolkit (MATLAB version)
+ added
- removed
* changed
b bugfix
0.9.0 2009-07-18 (first public beta)
0.9.1 2009-09-29
+ version string in qit namespace
+ examples: bb84 and markov_decoherence
* state/propagate redesigned
* Born-Markov noise package redesigned
0.9.2 2009-12-17
+ state methods: fidelity, trace_dist, fix_phase
+ plots/adiabatic_evolution
+ examples/grover_search
b state/display fixed, prints also the imaginary parts
* renamed state methods: purify => to_ket, operator => to_op
* plots/tomography shows relative phases in color
* nicer examples
* lindblad.@bath class
0.9.3 2010-01-13
+ utils/makemovie for making AVI movies of plots
+ lindblad/superop
+ state arithmetic: plus, minus, mtimes, mrdivide, normalize
+ examples/superdense_coding
b state/measure gives correct collapsed states
* gate/qft also handles non-qubit systems
* state/propagate uses ode45 for time-dependent Hamiltonians
* examples/nmr_sequences produces nicer plots
0.9.4 2010-01-19
+ utils: majorize, spectral_decomposition
+ Harmonic oscillator package
+ ho methods: ladder, displace, squeeze, coherent_state,
momentum_state, position_state, wigner
+ examples/qubit_and_resonator
* state/measure also measures arbitrary Hermitian observables
0.9.5 2010-02-04
+ state/locc_convertible
- state/overlap (replaced by state/fidelity)
+ ho methods: position, momentum, husimi
+ utils/asongoficeandfire
b utils/lrmul did unnecessary work
* Born-Markov package again reorganized, uses lookup
tables more efficiently
* neater examples
0.9.6 2010-03-17
+ plots/wigner_function
+ hamiltonians: heisenberg, hubbard, bose_hubbard, holstein
+ utils/fermion_ladder
+ utils/op_list
- utils/fidelity (unnecessary)
- hamiltonian/graph (replaced by utils/op_list)
* numerous small improvements
* functions handling large operators use sparse matrices
* Born-Markov package cleaned up and renamed: +lindblad => +markov
* renamed lindblad/superop => utils/superop_lindblad
* utils/angular_momentum returns a cell vector, caches results
0.9.7 2010-04-04
+ markov/lindblad_ops
+ gates: mod_add, mod_mul, phase
+ examples/shor_factorization
* state/propagate also accepts Lindblad operators
* state/entropy also gives entropy of entanglement
* state/measure can discard measured subsystems
* utils/angular_momentum takes a dimension instead of j as a param
* gate/qft caches its results
* invariants: canonical, makhlin, max_concurrence use compatible params
* more functions use sparse matrices
0.9.8 2010-08-26
- removed the plots package
* renamed plots:
tomography => state/plot,
weyl_chamber => invariant/plot_weyl_2q,
makhlin_gates => invariant/plot_makhlin_2q,
bloch_sphere => utils/plot_bloch_sphere,
adiabatic_evolution => utils/plot_adiabatic_evolution,
wigner_function => utils/plot_pcolor
* renamed ho/ladder => utils/boson_ladder
* renamed gates: mod_add => mod_inc
+ gate/mod_add
* gates: mod_inc, mod_mul input syntax
* examples: teleportation and superdense_coding now can use qudits
* restored Matlab 7.6 compatibility
0.9.9 2011-01-31
+ lmap class for multilinear maps, used as a base class for state
+ lmap/mpower
- several methods from state moved to lmap
* state/concurrence fixed
* state/purity does not normalize the state first
* gates: qubits-as-a-default syntax removed as dangerous
* gates: now return lmaps
* gate/two: any dimensions, non-sequential targets OK
* gate/controlled: any dimensions OK
+ gate/swap: swaps two subsystems
* gate/phase: does not assume the first phase is always zero
+ examples/qft_circuit
+ more testing scripts
0.9.10 2011-11-16
* performance-improving changes from MATLAB profiler
* better code modularization
+ some new physical constants, updated to CODATA 2010 values
+ utils/rand_SL
+ utils/plot_state_trajectory
+ utils/plot_2q_corr
+ lmap/norm
+ lmap/trace
+ state/check
b lmap/reorder now interprets permutations more consistently
b several small bugs fixed in state/propagate
b function names now match file names
b lmap/display can now handle sparse lmaps as well
* utils/tensorbasis now includes identity in the basis,
state/bloch_vector and utils/bloch_state correspondingly
changed to use the full correlation tensor
* Control sequences package implemented in a more general way
to match with the Dynamo optimal control package.
* invariant/canonical output normalized more carefully
to avoid a failing assert.
0.9.11 2013-07-26
- state/normalization
- lmap/subsref, not very useful
+ new physical constants
+ state/trace
+ utils/nullspace
+ utils/nullspace_hermitian
+ utils/liouvillian_fp
+ utils/orthonormalize
+ utils/tensorsum
b state/subsref: works now
* lmap/tensor, state/tensor: singleton handling...
* lmap/display: scalars, labels, low-nnz lmaps
* state/check: checks all properties before raising an error
* state/prob: assume state ops are hermitian
* utils/spectral_decomposition: sorting added
* examples/nmr_sequences now accepts user-given seqs as well
0.10.0 2014-07-08
- Octave 3.0 hacks removed
- state/is_ket
+ new physical constants
+ refs.bib: list of references
+ lmap/conj
+ lmap/is_ket
+ lmap/is_concatenable
+ state/subsystems
+ utils/comm
+ utils/acomm
+ utils/unravel_index
+ invariant/LU
+ examples/bernstein_vazirani
b utils/plot_adiabatic_evolution: eigs call now works for non-real matrices as well
b state/negativity: extra sqrt removed
b examples/qft_circuit: now nonpalindromic dimension vectors work too
* state/entropy also gives Rényi entropies.
* utils/lrmul simplified
* hamiltonian/heisenberg takes now a connection graph as input
* renames:
state/seq_propagate => seq/propagate
utils/liouvillian_fp => utils/superop_fp
utils/plot_2q_corr => utils/plot_correlation_simplex