Matlab Interview Questions And Answers

Matlab Interview Questions list for experienced

  1. Explain what is MatLab? Where MatLab can be applicable?
  2. What does MatLab consist of?
  3. Explain MatLab API (Application Program Interface)?
  4. What are the types of loops does Matlab provides?
  5. List out the operators that MatLab allows?
  6. Explain what is Simulink?
  7. In MatLab is it possible to handle multi-dimensional arrays?
  8. Mention what is the sign convention used in MatLab's fft routines?
  9. What are the four basic functions to solve Ordinary Differential Equations (ODE)?
  10. Explain how polynomials can be represented in MatLab?
  11. What is the type of program files that MatLab allows to write?
  12. Explain how to modify the MatLab Path?
  13. Explain what is LaTex in MatLab?
  14. Explain how you can pre-allocate a Non-Double Matrix?
  15. What is Xmath-Matlab? Mention the Xmath features?
  16. Name the graphic system used in MatLab?
  17. Explain what is M-file and MEX files in MatLab?
  18. Explain what is Interpolation and Extrapolation in Matlab? What are their types?
  19. List out some of the common toolboxes present in Matlab?
  20. What is Get and Set in Matlab?
  21. How can we index a MATLAB array returned by a function without first assigning it to a local variable?
  22. Why is 24.0000 not equal to 24.0000 in MATLAB?
  23. How to get all files under a specific directory in MATLAB?
  24. Matrix of unknown length in MATLAB?
  25. Why is MATLAB so fast in matrix multiplication?
  26. How to elegantly ignore some return values of a MATLAB function?
  27. What is the front controller of Spring MVC?
  28. What are the advantages of Spring MVC Framework?
  29. List out some advantages of automated testing.
  30. What is MATLAB?
  31. What is The MATLAB working environment?
  32. What is Simulink?
  33. Explain handle graphics in MATLAB?
  34. What is memory management functions in MATLAB?
  35. What are the four essential functions to solve Ordinary Differential Equations (ODE)?
  36. What do you mean by M-file in MATLAB?
  37. What Is Xmath?
  38. Can We Run MATLAB without Graphics?
  39. What is a P-code?
  40. What Is Stress Analysis in MATLAB?
  41. How can the source code can be executed on MATLAB?
  42. How can you test RESTful Web Services?
  43. How does HTTP Basic Authentication work?
  44. What are the key features provided by JAX-RS API in Java EE?
  45. Define RestTemplate in Spring.
  46. What is the use of @RequestMapping?
  47. Is it necessary to keep Spring MVC in the classpath for developing RESTful web services?
  48. Define HttpMessageConverter in terms of Spring REST?

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Top Matlab interview questions and answers for freshers and experienced

What is Matlab ?

Answer : MATLAB is a high-level language and interactive programming environment for numerical computation and visualization developed by MathWork

Questions : 1 :: Explain what is MatLab? Where MatLab can be applicable?

MatLab is a high-level programming language with an interactive environment for visualization, numerical computation and programming function. Matlab can be applicable at numerous instances...View answers

Questions : 2 :: What does MatLab consist of?

MatLab consists of five main parts • MatLab Language • MatLab working environment • Handle Graphics • MatLab function library • MatLab Application Program Interface...View answers

Questions : 3 :: Explain MatLab API (Application Program Interface)?


MatLab API is a library that enables you to write Fortran and C programs that interact with MatLab. It contains the facilities for calling routines from MatLab, for reading and writing Mat files and...View answers

Questions : 4 :: What are the types of loops does Matlab provides?

Matlab provides loops like • While Loop • For Loop • Nested Loops

Questions : 5 :: List out the operators that MatLab allows?

Matlab allows following Operators • Arithmetic Operators • Relational Operators • Logical Operators • Bitwise Operations • Set...View answers

Questions : 6 :: Explain what is Simulink?


Simulink is an add-on product to MatLab, it provides an interactive, simulating, graphical environment for modeling and analyzing of dynamic systems.

Questions : 7 :: In MatLab is it possible to handle multi-dimensional arrays?

No, it is not possible in MatLab to handle multi-dimensional arrays. Matlab’s internal data structure is limited to a two-dimensional matrix. But to handle multi-dimensional arrays in Matlab,...View answers

Questions : 8 :: Mention what is the sign convention used in MatLab's fft routines?

The sign convention used in MatLab’s fft routines are defined as sum(x(i)*exp (-j*i*k/N)) and not sum (x(i)exp(j*i*k/N)). The first version is used by engineers, and the second is used by...View answers

Questions : 9 :: What are the four basic functions to solve Ordinary Differential Equations (ODE)?


The four basic functions that MatLab has to solve ODE’s are • Quad • Quad8 • ODE23 • ODE45

Questions : 10 :: Explain how polynomials can be represented in MatLab?

A polynomial in MatLab is denoted by a vector. To create a polynomial in MatLab enter each co-efficient of the polynomial into the vector in descending order

Questions : 11 :: What is the type of program files that MatLab allows to write?

Matlab allows two types of program files • Scripts: It is a file with .m extension. In these files, it writes series of command that you want to execute together. It does not accept inputs and...View answers

Questions : 12 :: Explain how to modify the MatLab Path?

To modify the MatLab Path use the PathTool GUI. Also, you can use add path directories from the command line and add the path to rc to write the current path back to ‘pathdef.m.’ In the...View answers

Questions : 13 :: Explain what is LaTex in MatLab?

MatLab handles naturally simple LaTex encoding which allows introducing greek letters or modifying the font size and appearance in plots.

Questions : 14 :: Explain how you can pre-allocate a Non-Double Matrix?

Pre-allocating a block of memory for holding a non-double matrix is memory efficient. While allocating blocks of memory for a matrix, zeros are pre-allocated to a matrix. The functions to pre...View answers

Questions : 15 :: What is Xmath-Matlab? Mention the Xmath features?

For Xwindow workstations, Xmath is an interactive scripting and graphics environment. Following are the X-math features • Scripting language with OOP features • Libraries that are LNX and...View answers

Questions : 16 :: Name the graphic system used in MatLab?

Graphic system used in MatLab is known as handle graphics. It has a high level and low-level commands. • High Level Commands: High level command performs image processing, data visualization...View answers

Questions : 17 :: Explain what is M-file and MEX files in MatLab?

M files: They are just a plain ASCII text that is interpreted at run time. They are like sub-programs stored in text files with .m extensions and are called M-files. For most of the MatLab,...View answers

Questions : 18 :: Explain what is Interpolation and Extrapolation in Matlab? What are their types?

• Interpolation: Taking out function values between different data points in an array is referred as Interpolation • Extrapolation: Finding function values beyond the endpoints in array is...View answers

Questions : 19 :: List out some of the common toolboxes present in Matlab?

Some of the common toolboxes in Matlab are • Control System • Fuzzy Logic • Image Processing • LMI control • Neural Networks • Robust Control • System...View answers

Questions : 20 :: What is Get and Set in Matlab?

Get and Set are referred as getter and setter functions. For assigning properties, setter functions are used while for accessing properties getter functions are used.

Questions : 21 :: How can we index a MATLAB array returned by a function without first assigning it to a local variable?

It actually is possible to do what you want, but only if you use the functional form of the indexing operator. When you perform an indexing operation using (), you are actually making a call to the...View answers

Questions : 22 :: Why is 24.0000 not equal to 24.0000 in MATLAB?

The problem you're having relates to floating point comparison. The numbers differ by very small decimal amounts. You would have to do the comparisons by checking that the values are within some...View answers

Questions : 23 :: How to get all files under a specific directory in MATLAB?

Here's a function that searches recursively through all subdirectories of a given directory, collecting a list of all file names it finds: function fileList = getAllFiles(dirName) dirData =...View answers

Questions : 24 :: Matrix of unknown length in MATLAB?

if the number of columns is fixed you can always add rows to your matrix (inside the loop) e.g. while(....)..... new_row =[x y];%new row with values x & y mat =[mat ; new_row]; of...View answers

Questions : 25 :: Why is MATLAB so fast in matrix multiplication?

Here's my results using MATLAB R2011a + Parallel Computing Toolbox on a machine with a Tesla C2070: >> A = rand(1024); gA = gpuArray(A);% warm up by executing the operations a couple of...View answers

Questions : 26 :: How to elegantly ignore some return values of a MATLAB function?

This is somewhat of a hack but it works: First a quick example function: Func3=@() deal(1,2,3);[a,b,c]=Func3();% yields a=1, b=2, c=3 Now the key here is that if you use an variable twice in the...View answers

Questions : 27 :: What is the front controller of Spring MVC?

The front controller is a dispatcher servlet magnificence found in org.Springframework.Web.Servlet package. It dispatches the request to the appropriate controller and manages the waft of the...View answers

Questions : 28 :: What are the advantages of Spring MVC Framework?

The subsequent are the benefits of spring mvc framework : - Separate roles - the spring mvc separates the application into 3 interconnected layers in which every layer has its role.Mild-weight - it...View answers

Questions : 29 :: List out some advantages of automated testing.

Some of the advantages of computerized checking out are: It is very speedy.Funding could be very less.Checking out is greater dependable.The checking out can be...View answers

Questions : 30 :: What is MATLAB?

Matlab is a high-performance language for numerical computing. It consolidates calculations, visualization, and programming in an easy-to-use environment in which issues and answers are expressed in...View answers

Questions : 31 :: What is The MATLAB working environment?

This is the set of tools and facilities that we work with as the MATLAB client or programmer. It contains facilities for managing the variables in our workspace and importing and exporting data. It...View answers

Questions : 32 :: What is Simulink?

Simulink is an add-on product to MATLAB, it provides an interactive, simulating, graphical environment for modeling and analyzing dynamic...View answers

Questions : 33 :: Explain handle graphics in MATLAB?

This is the MATLAB graphic system. It contains high-level commands for two-dimensional and three-dimensional data visualization, image processing, animation, and display graphics. It also contains...View answers

Questions : 34 :: What is memory management functions in MATLAB?

Following are the lists of reminiscence management functions. Clean: it gets rid of variables from memory.%: it saves the prevailing variables to disk, and then reloads them contiguously.Keep: it...View answers

Questions : 35 :: What are the four essential functions to solve Ordinary Differential Equations (ODE)?

The four primary functions that MATLAB has to solve ODE's...View answers

Questions : 36 :: What do you mean by M-file in MATLAB?

M-files are nothing but just a plain ASCII script that is interpreted at run time. We can say these are the subprograms stored in text files with .m extensions and are known as M-files. M-files are...View answers

Questions : 37 :: What Is Xmath?

Xmath is an interactive design and images environment for xwindow?S workstations. Following are the xmath functions: Scripting languages with oop functions.Libraries which might be lnx and c...View answers

Questions : 38 :: Can We Run MATLAB without Graphics?

Sometimes we may want to run scripts that involve plotting commands without showing the plots and without going into the script to comment out the commands. An example: if we are working from home...View answers

Questions : 39 :: What is a P-code?

Pcode is a prepared and encoded version of the M-file. It stores the load time of the function. This is most likely not an issue except for very high M-files since most are parsed only once anyway....View answers

Questions : 40 :: What Is Stress Analysis in MATLAB?

Matlab is used in aerospace engineering, space surroundings. Matlab is suitable for bendy dynamics. These domain specialists behavior pressure analysis on numerous operations like steel and...View answers

Questions : 41 :: How can the source code can be executed on MATLAB?

By way of default, the code is generally stored with in (.M) extension, which is anchored but if the client needs it to be placed away in a more anchored manner then he can attempt the accompanying...View answers

Questions : 42 :: How can you test RESTful Web Services?

Restful internet services may be tested the use of various gear like postman, swagger, etc. Postman provides quite a few capabilities like sending requests to endpoints and display the reaction which...View answers

Questions : 43 :: How does HTTP Basic Authentication work?

Whilst imposing simple authentication as part of apis, the user should offer the username and password which is then concatenated by using the browser within the shape of “username:...View answers

Questions : 44 :: What are the key features provided by JAX-RS API in Java EE?

Jax-rs stands for java api for restful web offerings. They may be nothing but a hard and fast of java-primarily based apis which are provided inside the java ee that is useful inside the...View answers

Questions : 45 :: Define RestTemplate in Spring.

The resttemplate is the principle magnificence intended for the consumer-aspect get entry to for spring-based restful services. The conversation to the server is achieved the use of the relaxation...View answers

Questions : 46 :: What is the use of @RequestMapping?

The annotation is used for mapping requests to precise handler lessons or methods.In spring, all of the incoming web request routing is handled by dispatcher servlet. Whilst it receives the...View answers

Questions : 47 :: Is it necessary to keep Spring MVC in the classpath for developing RESTful web services?

Sure. Spring mvc desires to be at the classpath of the utility at the same time as growing restful web services the use of spring. That is due to the fact, the spring mvc gives the important...View answers

Questions : 48 :: Define HttpMessageConverter in terms of Spring REST?

Httpmessageconverter is a strategic interface that distinctive a converter for conversion between http requests and responses. Spring rest makes use of the httpmessageconverter for changing responses...View answers
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