Whats-New-In-MATLAB-R2022b.pdf
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Dictionary
Dictionary object: Map unique keys to
values and make it easy to look up
efficiently
Dictionaries are useful for fast lookup of values in
a larger set. A dictionary stores data as values,
which can be accessed using corresponding
unique keys. In almost all use cases, dictionary
performs faster than containers.Map.
Output argument validation
Validate output arguments in functions
and class methods
You can now define - already possible for inputs -
output argument blocks for functions and class
methods. Use many of the available argument
validation techniques on output arguments,
including size and data type restrictions as well as
validation functions.
Code Analyzer App
Identify code issues
Now available as an app. Identify issues in code
and implement suggested fixes when possible.
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What’s New in MATLAB R2022b?
Language & Programming
Data Analysis
Data Cleaner App
Clean data in a table & view sparklines and
summary statistics
The app Data Clearner now supports importing and
cleaning data in a table and displays sparklines and
summary statistics to quickly visualize and interpret the
data in each table or timetable variable.
Big Data
Parquet files containing nested structured data
Write nested table and timetable variable to Parquet files
using parquetwrite. Read nested data from Parquet files as
nested tables using parquetread/parquetDatastore.
SequentialDatastore Object: Concatenate
datastores vertically
Vertically concatenate datastores into a
SequentialDatastore object using the combine function.
Apps & Graphics
ClickedFcn and
DoubleClickedFcn Callbacks
Program a response to a user
clicking or double-clicking
Use ClickedFcn and DoubleClickedFcn
callback propertes to program a
response to a user clicking and
double-clicking a UI component. You
can specify both of these callbacks for
tree, list box, and table UI components
in App Designer and apps created
using the uifigure function.
Uiimage Function
Create an image hyperlink
To open a web address when a user
clicks an image in your app, specify
the URL property of the image
component created using the uiimage
function.
Performance
Improved app startup
Apps created in App Designer and
using the uifigure function start up
faster in R2022b than in R2022a.
Graphics
Boxchart Function: Specify the
box edge color and box median
line color
The boxchart function now includes
options for the box edge color and box
median line color.
External Language Interface
Python
Version 3.10 support
MATLAB now supports CPython 3.10, in addition to
existing support for 2.7, 3.8 and 3.9.
Scalar logical and numeric conversion functions
Use MATLAB functions to convert logical and numeric
Python data types to MATLAB types.
Software Development Tools
Build Tool
Create and run software-build tasks
You can use a standard programming interface to create
and run software-build tasks in a uniform and efficient
way. For example, you can create tasks that identify code
issues, run tests, and package a toolbox in a single build
file in your project root folder, and then invoke the build
tool to run these tasks.
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