MATLAB is a high-level language and interactive environment for numerical computation, visualization, and programming. Using MATLAB, you can analyze data, develop algorithms, and create models and applications.
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The Complete Laboratory of MathWorks- MATLAB
In the late 1970s, MathWorks came up with a high performance, multi-paradigm numerical computing environment, which also functions as a user interactive programming language. Having written in C, C++ Java and Fortran, it is supported on Windows, Mac, and Linux operating systems. Data can be imported from files, applications, and external devices. There are built in engineering, mathematical functions, and plots. It makes use of vectors and matrix operations that are fundamental to science and engineering applications. This lets you explore multiple approaches and creates an optimal solution for a problem. The works that you need to do can be automated by creating algorithms efficiently. Optimization is made sure by the use of development tools. Provisions for traditional as well as custom user graphical interfaces exist within this software. Signal and image processing, video and communication, and computational biology make use of this platform as it helps in publishing the obtained results.
Coming with a simulation platform known as Simulink and a library set, it fulfills a variety of modeling and computing applications ranging from signal and image processing, embedded systems to finance to aerospace design. This can be used to configure your model for the right amount of details for the task and even for complex logic. Codes generated are used in the prototype, tested and then deployed on the embedded software. Design the embedded software accordingly and compare the performance of the algorithm as it evolves to meet the specifications. The latest version R2019a has been released on March 20, 2019, which is v9.6. What makes it very malleable is its ability to interface with other major languages like Python, .NET, Java and Perl. These days, artificial intelligence and data science are about to hit the high spot and guess what? Mathworks Matlab is friends with them, as it helps in analyzing and designing models based on the computed data. Generally, the features that are utilized on a regular basis are; technical computation, integration of computing, visualization and programming environments; problem-solving and solution generation.
Find the advanced features here:
- Data Analytics
- This functionality is used by organizations worldwide to be more profitable and efficient by increasing quality and reducing costs. Examples being the automation industry, where the failure of machinery is predicted even before it happens. Power companies make use of analytics when they need to make multiple plants work with maximum power generation but at low-cost. When it comes to the scenario of big data, cleaning up messy data is very important. This is done quickly by high-level functions of the program. The second step involves the creation of predictive models.
- Used in commercial, business, and scientific applications to see if a hypothesis work or not. It makes use of the available data pool to draw conclusions.
- Machine learning and AI
- We have too many data from too many sources, which make it difficult to build human-driven models. This could be tackled using computers available to us if they can be taught using machine learning techniques. Learning can be supervised and unsupervised.
- Statistics and Machine Learning toolbox and Neural Network toolbox can be put to use. Training the machine to learn on its own, making them look at patterns and perform a task without human intervention.
- Test and measurement analysis
- Simulink is the platform generally used for the purpose. Four key toolboxes used to acquire, analyze and explore data and automate tests are Data Acquisition Toolbox, Image Acquisition Toolbox, Instrument Control Toolbox, Vehicle Network toolbox. Data is acquired from fixed instruments, plug-in boards, cameras, and CAN buses. Analysis of test data is followed by automating tests and building test applications.
- Helps in network design, distribution, and maintenance. Cost-effective networks can be developed, both hardware and software components can be tested for performance.
And here are the areas where it finds application:
- Signal processing
- MathWorks Matlab software is a significant tool used in a wide variety of applications, namely aerospace communications, robotics, biomedical industry, and scientific research. The processes attached with it are signal pre-processing, the design of digital filters, the transformation of signals, performing measurements and detecting patterns and events. Digital filter toolbox helps in sampling a non-uniform signal into a uniform sample. It reconstructs signals with missing samples, detects change points, find signal similarities, and estimate power spectra of uniformly and non-uniformly sampled signals, finds the signal to noise ratio, performs time-frequency analysis and modal analysis for vibrating structures.
- Signals from various sources (analog or digital) can be acquired, analyzed and processed.
- Image processing
- Several basic functions are covered using commands available in the Image Processing Toolbox. ‘imread()' function reads an image file as an array of pixel values. ‘imshow()' displays the image. ‘rgb2gray()' converts the jpeg image into grayscale. ‘imhist()' is used to obtain specific intensity which is displayed as a histogram. ‘imadjust()' adjusts the contrast, ‘im2bw()' changes the image from grayscale to black and white. Some other functions are ‘subplot()', ‘imrotate()', ‘imresize()', ‘imcrop()', etc. Color separation, inversion, filtering, quantization, normalization, histogram equalization, convolution, masking, blurring, image compression, optical character recognition, the introduction of color spaces, edge detection, frequency domain analysis, Fourier series, and Fourier transform are the large set of processes for which the computations are widely done.
- For this purpose, there is even an Image Processing toolbox available. The original purpose of the software was to work upon arrays and matrices. Images are two-dimensional arrays of pixels. Feature extraction and measurement are made possible using the appropriate algorithms.
- Embedded systems
- Embedded Matlab function in Simulink is a useful tool to code, design and verify the system from the time of prototype production to product development. A signal generator and scope is to be linked to the function block. Scripts are saved into the editor, which is then ‘run' and deployed to obtain the result. The design can evolve by itself avoiding the need for us to generate code manually in the future. This makes more iterations possible and speeds up the process.
- FPGA models can be made, specific functionalities are given by coding, and performance is studied before launching new integrated chips.
- Perception, control, prototyping, and implementation are the classification of tasks while incorporating Simulink into Robotics. The system gets the information through perception, the design part of which involves the choice of sensors for capturing data (for example, a camera, if the data is an object). Actuator control, planning a path, obstacle avoidance and supervisory control like the use of switches. Prototyping helps in breaking the system into manageable pieces. Performance of these individual blocks is studied, and tested before assembling. Simulation is a vital part of prototype development. Implementation phase shows how the system looks and works efficiently in an ideal environment.
- Uses in the automation industry deals with doing target specific tasks, teaching the consoles make a move according to the input data.
- Deep learning
- This area makes use of MathWorks Matlab as it helps in identifying and dealing with problems in a limited time. The steps range from preprocessing to deployment. Many great models developed by experts are available for users to go through. It may take days to train your model. Once trained, the code can be deployed into the web, phone or embedded GPU. Some areas, which make use of deep learning, are speech recognition, text analytics, automated driving, defense, medical research, industrial automation, and electronic applications. Python is an open source programming language that can be used in collaboration to help with deep learning.
- Building neural networks by making the machines learn from the surroundings, acquire data from the surroundings and perform classification tasks.
- Control systems
- There is a Control System Toolbox to carry out operations such as model creation, manipulation, analysis, and design. Step response, filter designing, plotting root locus, Bode plots, Nyquist plots, stability analysis are the major parameter-based operations that need to be done. The open loop control system and its degraded performance in comparison to feedback control systems can be better understood by building models and seeing how the components interact with each other. Disturbances can be introduced into the plant and the toolbox shows how the closed loop system compensates for all these disturbances.
- Analysis and design of control systems by specifying parameters like state space diagram, frequency response and/or transfer function.
- Data science
- Data stored in files and databases are accessed, cleaned and preprocessed. Preprocessing step saves a lot of time here. Live editor, as well as a graphical platform, is made use for data analysis. Domain-specific engineering is done for different kinds of data depending on whether they are text, image, speech, video or signals from a sensor. Machine learning or deep learning is employed to develop models.
- Huge amounts of data are being handled in the world every day, which are in different forms, from different sources, and at different speeds. Business and financial sectors thrive on the profits they obtain in the long run. Big data is used to predict customer behavior and psychology. Demand patterns are recorded, and this is studied with the use of statistical tools to predict the future. This helps in deciding what customer-centric products to offer, how to deal with competition and how to create an impact on the organization.
How does the customer benefit?
The immediate benefit of Matlab software is like a productivity tool. From an engineer's perspective, data accessing and analyzing is time-consuming and frustrating. Productivity is increased through automating this task and getting the data ready for analysis, after which the skills of the engineers may be utilized. This gives them more time to focus on their jobs. It ensures reliability in the design of engineering systems. These toolboxes offer extensibility. Electrical, civil, aerospace and electronic engineering industries are the highly benefited group. Often engineering calculators are developed as it can perform better than normal scientific calculators.
- Academicians and scientists
It serves as a scientific computing playground for students, where they can apply their creativity to recreate a laboratory scenario. Advanced scientific computation and programming are used to express real-world research problems as mathematical entities using algebraic equations, perform computations, explore new theories, work out new hypothesis, and tackle the issue. Representation of non-numerical data for coding is a tough thing to do. Matlab software counters this difficulty by providing user-friendly and interactive development environment with prebuilt functions, creating models using applied mathematics, solving ordinary and differential equations. Universities use it as a tool to understand engineering concepts.
- Finance industry
MathWorks Matlab software is being used in the Finance industry for over 15 years. Graphs are plotted using this software rather than using MS Excel, as there is an increase in incoming data with complexity, demand for higher computational speed, transparency, and integration with IT services. This method also offers an opportunity to customize computations. There are provisions to import text and Excel files using either the Import tool or the Database Toolbox. Built-in functionalities also play a huge part in meeting market requirements.
- Industrial automation
Integration of mechanical, electrical, control and signal processing systems undergoes complex challenges while exposed to manufacturing, testing and power generation applications. The model Based design is the approach used by equipment developers to create executable specifications. As far as power generation is concerned, new sustainable technologies such as wind power and solar power are on the rise. Reliability of power generation equipment should be confirmed to ensure continual system functioning. Additionally, power consumption must be maintained at optimal levels. Proper and precise automation systems are necessary to create profit from manufacturing and processing operations.
- Medical sciences
Medical image processing can only be done once broken down into computable entities, analyzed and processed. Once studied, this can be used as a reference database, which shows disease parameters as quantifiable. Algorithm development for feature extraction and prediction of true positive, true negative, false positive and false negative results can, in turn, determine sensitivity and specificity of a detecting method or device.