These 30 solved MATLAB questions will help you prepare for technical interviews and online selection tests conducted during campus placement for freshers and job interviews for professionals.

After reading these tricky MATLAB questionsyou can easily attempt the objective type and multiple choice type questions on this topic. This kind of error occurs when a program file includes thousands of variables or functions, thousands of statements, or hundreds of language keyword pairs e.

It can be overcome by following ways: Split large script files into smaller ones, having the first file call the second if necessary. Take larger chunks of program code and make separate functions or sub functions and nested functions of them. If the functions or expressions seem overly complicated, make smaller and simpler functions or expressions of them.

Simpler functions are also more likely to be made into utility functions that can be shared with others. Why the conversion of data types of variables is not suggested in matlab? How the conversion can be done, if required? If the class or array of a variable is changed it will have the following negative effects: It slows down the process. It takes extra time It has a negative impact on the performance So to avoid the above negative effects it is always advisable to create a new variable.

Explain it. The graphic system which is used in Matlab is known as handle graphics. It has few high level and low level commands. High level commands performs data visualization, image processing, and animation for two dimensional and three dimensional presentation graphics.

Full customization of the appearance of graphics and building of complete Graphical user interfaces on is done by low level commands in MATLAB applications. Handle Graphics: It includes high level and low level commands.

List down the things for which MATLAB can be used Matlab can be used for following things: Performing very simple calculations Plotting mathematical relationships in two dimensional and three dimensional For operations of matrix For creating script files which is a type of programming For manipulating equations Advanced visualization, animation and GUI interface tools.

What are the functions used to read text files from a certain format in Matlab? What do you mean by M-file in matlab? We can say these are the subprograms stored in text files with.

It is parsed once and "just-in-time" compiled, but it is also transparent to the user. Few e. What is a P-code? P-code files are purposely obscured; ibm mq on aws offer a secure means of distribution outside of your organization. Pcode is a preparsed and encoded version of the M-file. It saves on the load time of the function. This is most likely not an issue except for very large M-files, since most are parsed only once anyway.

Pcode also lets you hide the source code from others. There is no way to convert Pcode back to the M-file source. Pcode is platform independent. What are MEX files? They must be compiled for each hardware architecture on which they are to be run.

How the source code can be protected in Matlab? By default the code is saved in. Make it as P-code : Convert some or all of your source code files to a content-obscured form called a P-code file from its. Distribute the latter to end users of your application. What is Interpolation and extrapolation in Matlab?

What are its different types? Interpolation can be defined as taking out function values between different data points in an array whereas finding function values beyond the endpoints in an array is called extrapolation.MatLab is a high-level programming language with an interactive environment for visualization, numerical computation and programming function. It contains the facilities for calling routines from MatLab, for reading and writing Mat files and calling Matlab as a computational engine.

Simulink is an add-on product to MatLab, it provides an interactive, simulating, graphical environment for modeling and analyzing of dynamic systems. Yes, it is possible in MatLab to handle multi-dimensional arrays. But to handle multi-dimensional arrays in Matlab, you can create your own functions in Matlab language.

The first version is used by engineers, and the second is used by mathematician. 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. In these files, it writes series of command that you want to execute together. It does not accept inputs and do not return any outputs. Functions can accept inputs and return outputs. MatLab handles naturally simple LaTex encoding which allows introducing greek letters or modifying the font size and appearance in plots.

Pre-allocating a block of memory for holding a non-double matrix is memory efficient.

### Basic Simulation Interview Questions & Answers

While allocating blocks of memory for a matrix, zeros are pre-allocated to a matrix. Graphic system used in MatLab is known as handle graphics. It has a high level and low-level commands. They are like sub-programs stored in text files with. For most of the MatLab, development M-files are used. MEX files have efficiency to crash the MatLab application. What are their types? 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.

Your email address will not be published. The program will determine the largest integer entered by the user. Download PDF. How can a function block diagram in Matlab achieved? You are wrong. All the rest are ok. Really full of knowledge.Searching for a job in MatLab? Looking for the successful ways to get shortlisted in job interviews? It was developed by Mathworks MathLab.

Matlab jobs include Matlab developer, Functional software developer,sr. Following Matlab job interview questions and answers are useful for job seekers to attend interviews. Search and apply for the best suitable jobs on www. Typical uses include:. Question 2.

## Simulink interview question for professionals

Question 3. Explain The Matlab Language? Question 4. Explain The Matlab Working Environment? Question 5. Explain Handle Graphics In Matlab? Question 6. Question 7. Question 8. Answer : The function noise. Question 9. Answer : 1. Simple calculations 2.

Plotting and analyzing mathematical relationships 2D and 3D 3. Writing script files a type of programming 5. Symbolic manipulation of equations 6. Advanced visualization, animation and GUI interface tools.With the increase in competitiveness, with wisdomjobs around to assist your job needs in all ways worry not about your career. With its flexibility in yielding useful results, Simulation is the most used quantitative method and Simulation engineers have wide spread opportunities in many complex engineering projects.

Basic simulation jobs are available for different positions as engineers, Simulation experts, Simulation analysts etc for expertised and passionate professionals. Visit Basic simulation jobs interview questions and answers page to prepare well and be strong before attending an interview.

Subscribe to the job portal to get notified of the latest job notifications that best fits your job requirements. Question 1. What Is Simulation? Answer : Simulation is the imitation of some real thing, state of affairs or process. In health professions education, simulation is a methodology to help achieve educational goals.

Healthcare simulation encompasses a range of activities that share a broad but common purpose: To improve the safety, effectiveness and efficiency of healthcare services.

Question 2. What Is A Simulationist? Answer : A simulationist is an expert in the knowledge, skills and attitudinal aspects of using the methodologies of simulation to achieve learning objectives. Question 3. What Is A Simulation Centre? Answer : A simulation centre is a physical space where simulation is employed for health professions education. Question 4. Answer : The Need for Simulation :.

A simulator is a collection of hardware and software systems which are used to mimic the behaviour of some entity or phenomenon. Typically, the entity or phenomenon being simulated is from the domain of the tangible ranging from the operation of integrated circuits to behaviour of a light aircraft during wind sheer.

Simulators may also be used to analyze and verify theoretical models which may be too difficult to grasp from a purely conceptual level. Such phenomenon range from examination of black holes to the study of highly abstract models of computation.

As such, simulators provide a crucial role in both industry and academia. Despite the increasing recognition of simulators as a viable and necessary research tool, one must constantly be aware of the potential problems which simulators may introduce. Many of the problems are related to the computational limitations of existing hardware platforms but are quickly being overcome as more powerful platforms are introduced. Other problems, unfortunately, are inherent within simulators and are related to the complexity associated with the systems being simulated.

Question 5. Answer : It is useful to classify the system being simulated into two separate categories depending upon the degree of randomness associated with the behaviour of the system in its simulated environment. For example, consider a simulated system consisting of a series of bank tellers who must provide transaction services to incoming customers.

The length of time required for a teller to process a customer's transaction cannot usually be predetermined before the simulation is started.

Consequently such a simulation system must introduce random behaviour to simulate the duration of each transaction. During the analysis of a real world banking system it may be discovered that the time required for a transaction occurs over some well known probability distribution. Hence the duration of each transaction may be generated from this distribution. A similar strategy may be adopted for the rate at which customers enter a bank.

Through the introduction of this randomness, the results of a simulation may never be the same as a previous simulation. A system, such as this one, that relies heavily upon random behaviour is referred to as a stochastic system.

The results generated from a stochastic system are typically analyzed statistically in order to make conclusions regarding the behaviour of the system.Sign in to comment. Sign in to answer this question. Unable to complete the action because of changes made to the page. Reload the page to see its updated state. Choose a web site to get translated content where available and see local events and offers.

Based on your location, we recommend that you select:. Select the China site in Chinese or English for best site performance. Other MathWorks country sites are not optimized for visits from your location.

Toggle Main Navigation. Search Answers Clear Filters. Answers Support MathWorks. Search Support Clear Filters. Support Answers MathWorks. Search MathWorks. MathWorks Answers Support. Open Mobile Search. Trial software.

You are now following this question You will see updates in your activity feed. You may receive emails, depending on your notification preferences. Simulink interview question for professionals. Rizwana on 4 Sep Vote 0.

Hi everyone, I have experience in matlab algorithm development but I am going to be interview for simulink engineer profile. Please if anyone can share me their experience or some links where i can prepare for my interview.

**Quiz 1 - Question No 1 - Simulink**

Answers 0. See Also. Tags simulink. Opportunities for recent engineering grads.It integrates computation, visualization, and programming in an easy-to-use environment where problems and solutions are expressed in familiar mathematical notation. Is This Answer Correct? It allows both "programming in the small" to rapidly create quick and dirty throw-away programs, and "programming in the large" to create complete large and complex application programs.

It includes facilities for managing the variables in your workspace and importing and exporting data. It includes high-level commands for two-dimensional and three-dimensional data visualization, image processing, animation, and presentation graphics. It also includes low-level commands that allow you to fully customize the appearance of graphics as well as to build complete Graphical User Interfaces on your MATLAB applications.

This is a vast collection of computational algorithms ranging from elementary functions like sum, sine, cosine, and complex arithmetic, to more sophisticated functions like matrix inverse, matrix eigenvalues, Bessel functions, and fast Fourier transforms.

The function noise. Simple calculations 2. Plotting and analyzing mathematical relationships 2D and 3D 3. Writing script files a type of programming 5. Symbolic manipulation of equations 6.

Advanced visualization, animation and GUI interface tools. How to do it?By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information.

As far as I know, stateflow and simulink are often used at the same time, and are both environments developed by MathWorks, who make Matlab. May I know what's the difference between them? Simulink is largely a controls oriented solution. It graphically depicts math like products, sums, integrals, etc.

However, it's conditional logic facility is lacking. Any kind of if construct quickly becomes terse and unmanageable in my opinion. I've seen many models, and there is a clear line here where Simulink should end and Stateflow should start. Stateflow deals extremely well with logic and, of course, state machines.

Now with the addition of the Simulink Function blocks within Stateflow, we have a powerful combination to allow the state machine in Stateflow direct the rest of the program. As far as functionality goes, they are both functionally complete, meaning anything you can code in C, you can code in Simulink or Stateflow. You could also easily create a state machine in Simulink, but I'd advise against it. As far as code generation; in the beginning of the meld, the Stateflow and Simulink had separate code generators that were sewed together with more Simulink generated C code at code generation time.

It came aroundand has continued to deliver substantial increases in performance. Generated code has increased in on target performance to a point where companies can use the code in their embedded systems and actually get a performance benefit rather than take a small hit.

Also, the time to generate the code has also decreased substantially. Quoting a Stateflow Webinar :. Simulink is used to respond to continuous changes in dynamic changes. Stateflow is used to respond to instantaneous changes in dynamic changes. Real-world systems have to respond to both continuous and instantaneous changes. Use both Simulink and Stateflow so that you can use the right tool for the right job. Examples: Suspensions dynamics of a car are modelled with Simulink whereas, the gear transmission is modelled with Stateflow.

## thoughts on “Interview question for simulink”