CHANGELOG-0.7.x.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

0.7.12 (2023-12-23)

Changed

• #674 Migrate sources to nelson-lang github organization.
• #775 quit, exit, startup.m, finish.m behavior reworked for compatibility.
• JSON for Modern C++ version 3.11.3 used on all platforms.
• {fmt} 10.1.1 (6f95000) used.
• Fedora 39 CI support.

Fixed

• cellfun did not check type of second input argument.

Added

• filter 1-D digital filter.

• control system module (part 2):

  • freqresp Evaluate system response over a grid of frequencies.
  • step Simulate continuous time model of a state space model or transfer function.
  • lsim Plot simulated time response of dynamic system to arbitrary inputs.
  • dc2 Convert model from discrete to continuous time.
  • c2d Convert model from continuous to discrete time.
  • augstate Append state vector to output vector.
  • kalman Design Kalman filter for state estimation.
  • evalfr Evaluate system response at specific frequency.
  • nyquist Nyquist plot of frequency response.
  • ord2 Generate continuous second-order systems.
  • append Group models by appending their inputs and outputs.
  • feedback Feedback connection of multiple models.
  • parallel Parallel connection of two models.
  • series Series connection of two models.
  • ssdelete Remove inputs, outputs and states from state-space system.
  • ssselect Extract subsystem from larger system.
  • tzero Invariant zeros of linear system.
  • tf2ss Convert transfer function filter parameters to state-space form.
  • ss2tf Convert state-space representation to transfer function.
  • minreal Minimal realization or pole-zero cancellation.
  • ssdata Access state-space model data.
  • tfdata Access transfer function data.
  • gram Controllability and observability Gramians.
  • hsvd Hankel singular values of a state-space or transfer function model.
  • damp Natural frequency and damping ratio.
  • balreal Gramian-based balancing of state-space realizations.
  • lqry Form linear-quadratic (LQ) state-feedback regulator with output weighting.
  • #957 dlqr Linear-quadratic (LQ) state-feedback regulator for discrete-time state-space system.
  • #961 lqed Discrete Kalman estimator design from continuous cost function.
  • #960 lqe Kalman estimator design for continuous-time systems.
  • #955 lqr Linear-Quadratic Regulator (LQR) design.
  • #943 dare Solve discrete-time algebraic Riccati equations.
  • #951 care Continuous-time algebraic Riccati equation solution.
  • #945 ctrbf Compute controllability staircase form.
  • #946 ctrb Controllability of state-space model.
  • #963 obsv Observability matrix.
  • #964 obsvf Compute observability staircase form.
  • #949 acker Pole placement gain selection using Ackermann's formula.
  • #950 bdschur Block-diagonal Schur factorization.
  • #952 cloop Close unity feedback loops.
  • #953 compreal Companion realization of transfer functions.
  • #959 gensig Create periodic signals for simulating system response.

0.7.11 (2023-11-29)

Added

• hist Histogram plot.
• bar Bar graph.
• scatter Scatter plot.
• stem Plot discrete sequence data.
• stairs Stairstep graph.
• fill 2-D patch.
• pie legacy pie chart.
• subsref Subscripted reference.
• subsasgn Redefine subscripted assignment.
• substruct Create structure argument for subsasgn or subsref.
• deal Distribute inputs to outputs.
• Intel compiler support.

Changed

• axis limits recalculate with hggroup.
• axes forces focus on current axe.
• function_handle parenthese precedence.
• patch and fill manages FaceAlpha.
• visibility title and labels.
• object constructor must be in '@' directory and no more in parent directory (compatibility).
• subsref, subsasgn compatibility with substruct.
• To display a percent sign, you need to use a double percent sign (%%) in the format string (compatibility).
• French translation updated (100%, Thanks to weblate contributors)
• #997 Macos BigSur Github CI support removed.
• Qt 6.6.1 on win64 CI build.

Fixed

• A = []; A(false) = zeros(3, 0) did not return an empty matrix but an error.

0.7.10 (2023-10-27)

Added

• private functions/folders support (to limit the scope of a function).

• syntax extended to facilitate the creation of literal integers without loss of precision:

  • example: 18446744073709551615u64, 18446744073709551615i64 (similar to rust syntax)

• flintmax('like', p) syntax added.

• int64, uint64 warning about double-precision.

• #570 balance: Diagonal scaling to improve eigenvalue accuracy.

• isobject Check whether the input is an object.

• cell2mat Convert cell array of matrices to single matrix.

• #948 blkdiag Create a block diagonal matrix from 2D matrices of different sizes.

• kron Kronecker tensor product.

• strjust Justify strings.

• control system module (part 1):

  • #967 control system module template.
  • #944 mag2db, db2mag, pow2db, db2pow functions.
  • #968 zp2tf: Zero-pole to transfer function conversion.
  • #954 dcgain: Low-frequency (DC) gain of LTI system.
  • #965 padecoef: Padé approximation of time delays.
  • #958 esort: Sort continuous-time poles by real part.
  • dsort: Sort discrete-time poles by magnitude.
  • #962 lyap: Continuous Lyapunov equation solution.
  • dlyap: Discret Lyapunov equation solution.
  • abcdchk Verifies the dimensional compatibility of matrices A, B, C, and D.
  • ss: State-space model.
  • tf: Transfer function model (display, horzcat, vertcat, size).
  • isct: checks if dynamic system model is in continuous time.
  • isdt: checks if dynamic system model is in discret time.
  • isstatic: checks if model is static or dynamic.
  • islti: checks if variable is an linear model tf, ss or zpk.
  • issiso: checks if dynamic system model is a single input and single output.
  • zero: Zeros and gain of SISO dynamic system.
  • pole: Poles of dynamic system.
  • bode: Bode plot of frequency response, magnitude and phase data.

Changed

• some modules (nig, modules_manager, help_browser) reworked to use private functions.
• Windows 64 bit CI and release use Qt 6.6.0

Fixed

• #940 title bar on dark theme on Windows.
• help viewer using dark theme.
• adjust position xlabel on figure.
• #976 wrong output when reading a file with fscanf with size argument.
• #975 Legend color (and width) is not matching that of curve in figure.
• #988 anonymous function serialization '.^' and '^' are inversed.

0.7.9 (2023-09-18)

Changed

• #488 overloading functions:

  • all types including basic types can be overloaded.
  • overload is now fully compatible using '@' syntax and precedence.
  • all operators were reworked to support compatible overload.

• .* operator optimized.

• conv2 optimized.

• Boost 1.82 used on Windows.

• Internals:

  • class, function_handle types reworked.
  • types order updated.
  • rework validator module.
  • functions finder reworked.
  • file watcher reworked.
  • operators reworked.
  • repmat, ones, NaN, Inf reworked.

• function_handle display is more compatible.

Added

• #491 Anonymous functions
• --withoutfilewatcher executable argument. disable file watcher for current session.
• <--FILE WATCHER REQUIRED --> test_run option.
• #853 MacOs 13 ventura CI

Fixed

• #916 openblas micromamba on macos required to link libgfortran

0.7.5 (2023-05-27)

Changed

• BS::thread_pool v3.5.0
• simdutf to 3.2.9.
• {fmt} to 10.0.0.
• fast_float to 4.0.0.
• cast reworked to be more compatible.
• colon reworked to be more compatible (operator uses unary overload).
• CMake 3.26.3 on Windows

0.7.4 (2023-04-27)

Added

• Qt 6.5 support.
• #802: bitand, bitor, bitxor functions.
• issorted Determine if array is sorted.
• num2cell Convert array to cell array with consistently sized cells.
• hggroup Create group object.
• colorbar('off') deletes colorbar associated with the current axes.
• waterfall Waterfall plot.
• ribbon ribbon plot.
• figure property: GraphicsSmoothing Axes graphics smoothing.
• text property: FontSmoothing.
• surf property: MeshStyle.
• chatGPT example.
• graphics examples about 3D polygons:
  • utah teapot example.
  • nefertiti mask example.
  • stanford bunny example.

Changed

• Windows installer: allow to install for current user (no administrator rights required).
• figure without axes has a color.
• figure can be created not visible.
• grid minor toggles the visibility of the minor grid lines.
• mesh reworked.
• extraction on empty matrix for compatibility.
• ones, eye, inf, nan allow negative index (replaced by 0) for compatibility.
• Windows 64 bits version embeds Qt 6.5.
• allows if with empty statements

Fixed

• weboptions did not manage HeaderFields as expected.
• update cacert.pem.
• #895: Micromamba linux build fails after packages updates.

0.7.3 (2023-03-28)

Added

• patch Create patches of colored polygons.
• ancestor Ancestor of graphics object.
• hexadecimal color code managed example: '#DDFF00'.
• validatecolor Validate color values.
• #851: Build with micromamba environment (linux and macOS)

Changed

• Figure property Position uses position based on bottom left position for compatibility.
• internal: boost no more used to read/write json files.
• internal: taglib library is optional.
• version date updated with each build.

Fixed

• #866: Close menu on figure can crash on linux.
• graphic hierarchy was not fully destroyed after close or delete.
• labels were not displayed correctly when the logarithmic scale was enabled.
• #869: missing help files in linux package.

0.7.2 (2023-02-27)

Changed

• cmake project reworked. It should be easier to package Nelson on linux platforms (Thanks to @JohanMabille)
• Debian package generated (beta - feedback welcome).
• modulepath reworked and extended.
• C++ API: IsCellOfStrings(ArrayOf) replaced by ArrayOf::isCellArrayOfCharacterVectors()
• C++ API: header CheckHelpers.hpp replaced by InputOutputArgumentsCheckers.hpp
• C++ API: ToCellStringAsColumn replaced by ArrayOf::toCellArrayOfCharacterColumnVectors
• api_nelson methods moved to type modules
• Remove internal circular dependency about error and warning.
• Exports minimum headers in package.

Fixed

• disp, display did no more support overloading.
• image did not save all values for XData and YData.
• Github CI Monterey and Ubuntu 22.04 (dependencies install) fixed.
• some warnings.

0.7.1 (2023-01-29)

Added

• drawnow: Update figures and process callbacks.
• DrawLater property added to figure graphics object.
• interp1 linear interpolation 1D.
• #736: bone, cool, copper, hot, jet, pink, turbo, viridis, white colormaps.
• Visible property to figure graphics object.
• #809: NumberTitle property to figure graphics object.
• AlphaMap and Colormap properties added to Axes graphics object.
• LineStyleOrder property of 'axes' used for plot and plot3.
• ColorOrderIndex and LineStyleOrderIndex properties added to axes graphics object.
• Interpreter property added to text graphics object.
• tex special characters support for text and ticks graphics object.
• delete for graphics objects.
• imread Read image from graphics file.
• imwrite Write image to graphics file.
• imshow Display image.
• surface Primitive surface plot.
• #808: pcolor Pseudocolor plot.
• mesh Mesh surface plot.
• meshz Mesh surface plot with curtain.
• #807: loglog Log-log scale plot.
• CHANGELOG 0.7.x family.

Changed

• Graphics objects property names check is strict (compatibility).
• Some speed optimization with graphics objects.
• surf reworked to use surface.

Fixed

• #823: default LineStyle for a line was wrong with marker.
• CTRL+C was not catched on advanced cli for linux and macos.
• colors in colorbar were not in the good order.
• warnings detected by CodeQL.
• #824: VariableCompleter was not filtered by prefix.

Previous changelog

Changelog v0.6.x

Changelog v0.5.x

Changelog v0.4.x

Changelog v0.3.x

Changelog v0.2.x

Changelog v0.1.x