v1.10.0

1.10.0 (2024-12-14)

Added

• detectImportOptions: Generate import options from the file's content.
• readtable: Read table from file.
• writetable: Write table to file.
• readcell: Read cell array from file.
• writecell: write cell array to file.
• readmatrix: read matrix from file.
• writematrix: write matrix to file.
• csvread: Read comma-separated value (CSV) file.
• csvwrite: Write comma-separated value (CSV) file.
• dlmread: Read ASCII-delimited file of numeric data into matrix.
• realmin: Smallest normalized floating-point number.
• #1288 mustBeMatrix, mustBeRow, mustBeColumn validator functions.
• join: Combine strings.
• #1292 Large Table Display.
• #1290 VariableTypes property for table: Specify the data types of table in Nelson.
• hour, minute, second component of input date and time.

Changed

• narginchk, nargoutchk support for check only minimun arguments narginchk(3, Inf).
• Fedora 41 CI
• title: Visible property is inherited from the parent if not explicitly defined.
• i18n: migration PO files to JSON.
• dlmwrite: rework the function to be more fast and robust.
• strjust: rework the function to be more fast and robust.
• datenum: support '' as format for compatibility.

Fixed

• #1303 datevec result must be normalized.
• #1297 some features have no help files.
• #1276 micromamba macos build.

v1.9.0

1.9.0 (2024-10-26)

Added

• Table direct computation:

  • unary functions: abs, acos, acosh, acot, acotd, acoth,
    acsc, acscd, acsch, asec, asecd, asech,
    asin, asind, asinh, atan, atand, atanh,
    ceil, cosd, cosh, cospi, cot, cotd,
    coth, csc, cscd, csch, exp, fix,
    floor, log, log10, log1p, log2, nextpow2,
    round, sec, secd, sech, sin, sind,
    sinh, sinpi, sqrt, tan, tand, tanh,
    var, acosd, not.
  • binary functions: plus, minus, times, eq, ge, gt, le,
    ne, lt, rdivide, rem, power, pow2, or, mod, ldivide.

• end magic keyword can be overloaded for classes (applied to table class).

• #1250 head, tail functions for table and array.

• #1248 removevars, renamevars functions for table.

Changed

• #1259 Add macOS Sequoia and remove macOS Monterey CI support.
• Qt 6.8 LTS support (used on Windows 64 bits binary).
• Python 3.13.0 on Windows.
• Boost 1.86 on Windows.

v1.8.0

1.8.0 (2024-10-04)

Added

• table Data Type:

  • Introduced the table data type, offering enhanced functionality for structured data manipulation.

  • Overloaded methods specific to the table data type:

    • disp, display for table display.
    • horzcat, vertcat for horizontal and vertical concatenation.
    • isempty to check if the table is empty.
    • isequal, isequalto for table comparison.
    • properties for accessing table metadata.
    • subsasgn for subscripted assignment.
    • subsref for subscripted referencing.

  • Conversion functions added:

    • array2table: Convert an array to a table.
    • cell2table: Convert a cell array to a table.
    • struct2table: Convert a structure to a table.
    • table2array: Convert a table to an array.
    • table2cell: Convert a table to a cell array.
    • table2struct: Convert a table to a structure.

  • Utility functions introduced:

    • width: Retrieve the number of columns in the table
    • height: Retrieve the number of rows in the table
    • istable: Check if a variable is of the table data type

• Resize - Resize figure property.

• #36 datenum format compatibility extended.

• #37 datestr Convert date and time to string format.

Changed

• CodeQL Github action updated.

Fixed

• fix 'units' refresh for 'axes' object.

v1.7.0

1.7.0 (2024-08-28)

Added

• uicontrol Create user interface control (button, slider, edit, list box, etc.).
• waitfor Block execution and wait for condition.
• waitforbuttonpress — Wait for click or key press.
• im2double — Convert image to double.
• CloseRequestFcn — Close request callback for figure.
• CreateFcn — Create callback for all graphic objects.
• DeleteFcn — Delete callback for all graphic objects.
• BusyAction — Busy action for all graphic objects.
• Interruptible — Interruptible property for all graphic objects.
• BeingDeleted — Being deleted property for all graphic objects.
• KeyPressFcn, KeyReleaseFcn, ButtonDownFcn properties for figure.

Changed

• Refactor the internal implementation of the 'system' built-in function.

• Python 3.12.5 on Windows.

v1.6.0

1.6.0 (2024-06-29)

Added

• unique: Unique values.
• ndgrid: Rectangular grid in N-D space.
• nthroot: Real nth root of real numbers.
• allfinite: Check if all array elements are finite.
• j as imaginary unit number is also supported. example 3+2j equivalent to 3+2i.
• FollowLocation option for weboptions
• oneAPI Threading Building Blocks optional dependency.
• Ubuntu 24.04 debian package.
• Ubuntu 24.04 CI

Changed

• sort: speed optimization.

• Windows dependencies updated and rebuild with minimal dependencies:

  • Qt 6.7.1,
  • Visual C++ 2022 Redistributable v14.40.33810.00,
  • boost 1.85,
  • Python 3.12.4,
  • Intel Math Kernel Library 2024.1.1,
  • Intel runtime,
  • SLICOT,
  • gettext 0.22.5,
  • cmake 3.30.0 rc3,
  • libsndfile 1.2.2,
  • portaudio 19.7.5,
  • taglib 2.0,
  • libzip1 1.3.1,
  • libcurl 8.8.0,
  • icu4c 74.2,
  • libffi 3.4.6,
  • libxml2 2.11.7

• Unicode® Standard, Version 15.1 support

• simdutf 5.2.8

• fast_float 6.1.1

• dtl 1.2.0

Fixed

• #1210 bode did not unwrap phase.
• #1206 balance yields wrong Transformation Matrix.
• #1205 diag may return wrong sub-diagonals.
• #1202 buildhelpmd does not generate SUMMARY as expected.
• #1201 Matrix Exponential expm might give wrong results.
• #1200 Matrix Parsing/Evaluation trouble.

v1.5.0

1.5.0 (2024-05-31)

Added

• dictionary data type.

  • dictionary: Object that maps unique keys to values.
  • configureDictionary: Create dictionary with specified key and value types.
  • insert: Add entries to a dictionary.
  • lookup: Find value in dictionary by key.
  • remove: Remove dictionary entries.
  • entries: Key-value pairs of dictionary.
  • keys: Keys of dictionary.
  • values: Values of dictionary.
  • types: Types of dictionary keys and values.
  • numEntries: Number of key-value pairs in dictionary.
  • isConfigured: Determine if dictionary has types assigned to keys and values.
  • isKey: Determine if dictionary contains key.
  • keyHash: Generate hash code for dictionary key.
  • keyMatch: Determine if two dictionary keys are the same.

• bernsteinMatrix: Bernstein matrix.

• orderedfields: Order fields of structure array.

• Python interface (part 3):

  • #1160 Python operators in Nelson.
  • keyHash, keyMatch for python objects.
  • isa builtin support python types.
  • python dictionary to Nelson dictionary dictionary(pyDict)
  • conversion dictionary to python dictionary.

Changed

• help files generated sorted by name on all platforms.
• on windows, Qt libraries used are in debug mode.

Fixed

• #1195 strcmp({'a'},["a"]) did not return expected value.

v1.4.0

1.4.0 (2024-04-27)

Added

• Python interface (part 2):

  • #1168 Run Python script file from Nelson.
  • #1141 Help about Managing Data between Python and Nelson.
  • #1149 python bytes, and bytearray types were not managed.
  • #1163 pyenv searchs python by version on Windows.
  • #1164 Embed python distribution on Windows.
  • #1167 Help about how to install Python package from Nelson.
  • numpy types support if numpy available.
  • pyenv: can use environment variables to set values.

• getenv: Retrieve the values of several environment variables.

• pyenv: can use environment variables to set values.

• pyrun: Python code object allowed as first input argument.

• nelson --without_python starts nelson without python engine.

• skip_testsuite: allows to skip test suite dynamically on condition.

Changed

• Allow to call method of a variable of CLASS/HANDLE type like a function (currently, only plugged for python subtype).
• #1142 Github Actions updated.
• #1157 Qt 6.7 support (used on Windows 64 bits binary).
• copyfile, isfile, isdir, mkdir allow string array type as input.
• warning about 'Matrix is singular to working precision' for inv matrix.
• tests webtools skipped if connection fails or not available.

Fixed

• #1144 test_run markdown help file had a typo.
• #1143 Linux Snapcraft version did not allow to use python.
• #1148 pyrun('print(A)','A','A',string(NaN)) did not return expected value.
• single(int64([1 2; 3 4])) returned a wrong value.
• py.tuple, py.list compatibility increased.
• pyenv did not manage python's path with space on Windows.
• Matio 1.5.27 compatibility on ArchLinux.
• Ubuntu 24.04 LTS support.
• #1178 Fedora 40 support (CI).
• #1134 [CI] MacOS X Ventura restored.

v1.3.0

1.3.0 (2024-03-30)

Added

• Python interface (part 1):

  • CMake: Optional Python3 detection.
  • pyenv Change default environment of Python interpreter.
  • pyrun Run Python statements from Nelson.
  • Major types conversions are compatible (numpy in the next upcoming version).

• ArchLinux packaging (https://aur.archlinux.org/packages/nelson-git).

• contour Contour plot of matrix.

• contour3 3-D contour plot.

• shiftdim Shift array dimensions.

• xcorr2 2-D cross-correlation.

• deconv Deconvolution and polynomial division.

• vecnorm Vector-wise norm.

• normpdf Normal probability density function.

• #310 gammaln Logarithm of gamma function.

• #1112 gradient Numerical gradient.

• #1126 isspace Determine which characters are space characters.

Changed

• #1110 Eigen master branch (352ede96e4c331daae4e1be9a5f3f50fff951b8d) ready to use.
• #1134 [CI] MacOS X Ventura disabled (Install dependencies fails)
• struct supports scalar string array as field name.

Fixed

• #1110 add help about build and use C/C++ on fly.
• #1124 unexpected result from long statements on Multiple Lines.
• #1127 Nelson could crash if an mxn characters is displayed in the variable browser.
• #1125 Unsupported colon operator with char operands.
• Missing 'zoom in', 'zoom out' icons for help viewer in linux package.
• gcd without argument returned wrong error message.
• #1133 [CI] [ARCH LINUX] Warning about MPI.

v1.2.0

1.2.0 (2024-02-25)

Added

• Recursive completion on Graphic handle, struct, handle, class (properties, methods).
• Adding links between documents about mex and supported compilers.
• GitHub CI for macOS Sonoma (Apple Silicon) support.
• Export to ... context menu for console and text editor as pdf.
• CTRL + Mouse wheel or CTRL + +/- to zoom in/out on console, editor, help.
• Toolbar for figure with print, zoom in, zoom out, rotation, pan, restore axes.
• zoom , pan , rotate3d functions.
• MenuBar, ToolBar figure properties.
• Window menu on graphic window, list all others available windows.
• feature builtin (undocument features, debug, tests, ...) content can change with next releases.
• GridAlpha, GridColor, View properties for Axes.
• CTRL+C in help viewer, copy selected text.
• checkupdate function and check update menu.
• isScalarStringArray iinternal API C++ method.

Changed

• Clicking on an axis automatically sets it as the current axes object.
• Clicking on an figure automatically sets it as the current figure object.
• saveas exports the figure as a PDF page with centered alignment.
• Default color of grid for axes.
• Default figure size updated.
• Default MarkerFaceColor value for compatibility.
• view function returns azimuth and elevation values.
• Camera view reworked.
• Minimal screen resolution supported 800x600.

Fixed

• Change directory with file browser line editor did not work as expected.
• Template to create a function with file browser was wrong.
• Do not allow to select multiple variable in workspace browser.
• File browser checks if files with the extension ".m" have a valid name before enable 'run' context menu.
• Paste in editor with multiple tab.
• Starting the Nelson desktop was taking longer than necessary.

v1.1.0

1.1.0 (2024-01-29)

Added

• Nelson Desktop environment: file browser, command history, workspace browser, desktop layout.
• #1074 Roadmap v2.0.0
• #1044: LU matrix factorization.
• #1080 LineStyle, LineWidth properties were not implemented for surface objects.
• sky, abyss colormaps.