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MATLAB

70 MATLAB interview questions

Only coding challenges
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MATLAB Fundamentals


  • 1.

    What are the main features of MATLAB that make it suitable for machine learning?

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  • 2.

    Explain the MATLAB environment and its primary components.

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  • 3.

    What is the difference between MATLAB and Octave?

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  • 4.

    How do you read and write data in MATLAB?

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  • 5.

    Discuss MATLAB’s support for different data types.

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  • 6.

    How do MATLAB scripts differ from functions?

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  • 7.

    Explain the use of the MATLAB workspace and how it helps in managing variables.

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  • 8.

    What are MATLAB’s built-in functions for statistical analysis?

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Matrix and Vector Operations


  • 9.

    Explain how matrix operations are performed in MATLAB.

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  • 10.

    What are element-wise operations, and how do you perform them in MATLAB?

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  • 11.

    How would you reshape a matrix in MATLAB without changing its data?

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  • 12.

    Discuss the uses of the ‘find’ function in MATLAB.

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  • 13.

    Explain the concept of broadcasting in MATLAB.

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  • 14.

    What is the purpose of the ‘eig’ function, and how is it used?

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Plotting and Visualization


  • 15.

    How do you create a basic plot in MATLAB?

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  • 16.

    Explain how to customize plots in MATLAB (e.g. adding labels, titles, legends).

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  • 17.

    What are the functions used to plot multiple data series in MATLAB?

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  • 18.

    How do you create 3D plots in MATLAB?

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Data Preprocessing


  • 19.

    How do you handle missing data in MATLAB?

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  • 20.

    Explain the various methods for data normalization and standardization in MATLAB.

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  • 21.

    Discuss how categorical data is managed and manipulated in MATLAB.

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  • 22.

    How do you deal with time series data in MATLAB?

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Programming Constructs and Algorithm Development


  • 23.

    How do loops work in MATLAB, and when would you use them?

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  • 24.

    Explain the concept of recursion in MATLAB.

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  • 25.

    Demonstrate how to use conditional statements in MATLAB.

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  • 26.

    Discuss MATLAB’s exception handling capabilities.

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  • 27.

    How do you create and use MATLAB cell arrays?

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File I/O and Data Import/Export


  • 28.

    How to import data from a CSV file into MATLAB?

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  • 29.

    Explain how to export MATLAB data to an Excel file.

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  • 30.

    Discuss reading and writing binary data in MATLAB.

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  • 31.

    What are the different data formats that MATLAB supports for import and export?

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Machine Learning with MATLAB


  • 32.

    What toolbox does MATLAB offer for machine learning, and what features does it include?

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  • 33.

    Explain how to implement linear regression in MATLAB.

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  • 34.

    Discuss the steps involved in training a classification model in MATLAB.

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  • 35.

    How do neural networks work in MATLAB?

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  • 36.

    What functions does MATLAB provide for cross-validation?

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Performance Optimization


  • 37.

    How can you improve the performance of your MATLAB code?

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  • 38.

    Explain the use of vectorization for optimizing computations in MATLAB.

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  • 39.

    Discuss the concept of Just-In-Time compilation in MATLAB.

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  • 40.

    How is parallel computing supported in MATLAB?

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Integration with Other Languages and Tools


  • 41.

    How do you call a C/C++ library function from MATLAB?

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  • 42.

    Explain the process of embedding MATLAB code in a Java application.

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  • 43.

    How can you run Python scripts within MATLAB?

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  • 44.

    Discuss interfacing MATLAB with SQL databases.

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Advanced Data Analysis and Statistics


  • 45.

    Describe MATLAB’s capabilities for hypothesis testing.

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  • 46.

    Explain how to use MATLAB for principal component analysis (PCA).

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  • 47.

    Discuss the implementation of logistic regression in MATLAB.

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  • 48.

    How do you perform time-series analysis in MATLAB?

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MATLAB for Deep Learning


  • 49.

    What is the Deep Learning Toolbox in MATLAB, and what can it be used for?

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  • 50.

    How would you import a pre-trained deep learning model into MATLAB?

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  • 51.

    Discuss the process of fine-tuning a convolutional neural network in MATLAB.

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  • 52.

    How do you train a Long Short-Term Memory (LSTM) network in MATLAB?

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Coding Challenges


  • 53.

    Write a MATLAB function that performs matrix multiplication without using the built-in ‘*’ operator.

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  • 54.

    Implement a function to normalize a vector between 0 and 1.

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  • 55.

    Write a script to import a text file and count the frequency of each unique word.

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  • 56.

    Create a MATLAB function that solves a system of linear equations.

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  • 57.

    Code a MATLAB function that computes the Fibonacci sequence using recursion.

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  • 58.

    Develop a MATLAB script to plot a histogram of random numbers following a normal distribution.

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  • 59.

    Implement K-means clustering from scratch in MATLAB.

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  • 60.

    Write a MATLAB program that detects edges in an image using the Sobel operator.

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Case Studies and Scenario-Based Questions


  • 61.

    Describe how MATLAB could be utilized for signal processing and analysis.

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  • 62.

    How would you use MATLAB to preprocess a large dataset before applying machine learning algorithms?

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  • 63.

    Propose a method to use MATLAB for real-time data analysis and visualization.

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  • 64.

    Explain how MATLAB can be applied to design and train a predictive model for financial time-series data.

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  • 65.

    Present a strategy for using MATLAB to analyze genomic data.

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Advanced Topics and Research


  • 66.

    Discuss recent advancements in MATLAB for machine learning and deep learning.

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  • 67.

    How does MATLAB support the deployment of machine learning models?

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  • 68.

    What are the benefits and limitations of using MATLAB for machine learning in comparison to other programming languages like Python?

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  • 69.

    Describe how MATLAB can be used for image and video processing tasks in the context of machine learning.

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  • 70.

    How can you utilize MATLAB’s App Designer to create interactive applications featuring machine learning models?

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