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Top 59 MATLAB Interview Questions

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MATLAB Theoretical Questions

Q1:   

What is the difference between Cell and Matrix in MATLAB?

  
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Q2:   

How to stop a MATLAB script if certain conditions are met?

  
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Q3:   

What is the difference between * and .* in MATLAB?

  
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Q4:   

What is the difference between accessing elements in a cell array using parentheses () and curly braces {}?

  
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Q5:   

What types of MATLAB functions do you know?

  
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Q6:   

What is the difference between the & and && logical operators in MATLAB?

  
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Q7:   

When is it appropriate to use a Cell array vs. a Struct in Matlab?

  
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Q8:   

How to iterate through each element in an n-dimensional matrix in MATLAB?

  
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Q9:   

What's the difference between who and whos in MATLAB?

  
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Q10:   

How can you count the occurrences of each element in a vector in MATLAB?

  
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Q11:   

How can you remove NaN values from an array?

  
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Q12:   

How to convert a 1x1 cell to a character vector or string?

  
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Q13:   

How to get the type of a variable in MATLAB?

  
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Q14:   

How to iterate over the keys and elements of a containers.Map?

  
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Q15:   

What's the difference between linspace vs the colon : operator for creating vectors in MATLAB?

  
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Q16:   

How to iterate through struct field names in MATLAB?

  
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Q17:   

How to assign values to a MATLAB matrix on the diagonal with vectorization?

  Related To: Linear Algebra
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Q18:   

How to define constants properties in a Class?

  
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Q19:   

How can you break a loop iteration, if it takes a long time?

  
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Q20:   

How many types of breakpoints in MATLAB do you know?

  
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Q21:   

Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?

  
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Q22:   

Name some advantages of using Categorical arrays vs Character arrays

  
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Q23:   

How can you check if a field exists in a nested structure?

  
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Q24:   

How to declare a function in MATLAB with optional arguments?

  
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Q25:   

When would you use a Regular array vs a Cell array?

  
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Q26:   

When would you use a function handle in MATLAB?

  
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Q27:   

How to create an InputParser in MATLAB?

  
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Q28:   

Are there any problems when using eval function in MATLAB?

  
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Q29:   

What is to overload a function and how to do it in MATLAB?

  
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Q30:   

What types of properties in MATLAB do you know?

  
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Q31:   

When to use Value classes vs Handle classes?

  
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Q32:   

How to wrap a function using varargin and varargout?

  
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Q33:   

How to set default values for functions parameters in MATLAB?

  
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Q34:   

When would you define Constructors in MATLAB?

  
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Q35:   

What are some Best Practices to improve programming in MATLAB?

  
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Q36:   

What are some requirements to create nested functions in MATLAB?

  
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Q37:   

How to store a large number of matrixes in an array in MATLAB?

  
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Q38:   

What are some best practices for creating Constructors in Matlab?

  
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Q39:   

How to elegantly ignore some return values of a MATLAB function?

  
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Q40:   

How can you measure the performance of a code in MATLAB?

  
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Q41:   

How to pre-allocate memory when using Numeric Arrays?

  
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MATLAB Practical Challenges

Q1:   

Find closest values before and after from data for b point

  
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Q2:   

How to divide each row of a matrix by a fixed row in MATLAB?

  
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Q3:   

Select only a specific number of rows fulfilling a condition in MATLAB

  
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Q4:   

Find elements from A in B and get the index of the found element in B

  
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Q5:   

How to find the indices of the maximum (or minimum) value of a matrix?

  
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Q6:   

How to generate the following matrix in MATLAB?

  
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Q7:   

Find the most common values in matrix using MATLAB

  
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Q8:   

Collect a new variable each time a function runs and save it into an array. Implement using MATLAB.

  
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Q9:   

Randomly select k points from N points in MATLAB

  
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Q10:   

How would you access the structure fields dynamically in MATLAB?

  
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Q11:   

Find the closest distance in array using MATLAB

  
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Q12:   

How to apply a custom function to each element of a matrix or a cell array in MATLAB?

  
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Q13:   

How to combine efficiently two structures in MATLAB?

  
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Q14:   

What will the output of the code below?

  
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Q15:   

Generate a matrix containing all combinations of elements taken from n vectors using MATLAB

  
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Q16:   

Create a function that normalizes a given array of integer in the given range

  
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Q17:   

Compare all elements in arrays using MATLAB

  
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Q18:   

How would you execute multiple statements in a MATLAB anonymous function?

  
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