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MathWorks Deep Learning Engineer Interview Questions and Answers

Updated 27 Jul 2024

MathWorks Deep Learning Engineer Interview Experiences

1 interview found

Deep Learning Engineer Interview Questions & Answers

user image arjun chaurasia

posted on 27 Jul 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Project Based Discussion

Interview questions from similar companies

Interview Questionnaire 

3 Questions

  • Q1. Asked me about my answer for a question in the logical test and asked me to find mistake
  • Q2. Some tree question
  • Q3. Some array question

Interview Preparation Tips

Round: Test
Experience: Just logical questions. Maybe create a DFA and NFA.
Duration: 1 hour
Total Questions: 20

Round: Coding
Experience: Given two questions. Each question is written like a story, but once you get the idea, it will be a simple question

College Name: Govt. Model Engineering College

I applied via Campus Placement

Interview Questionnaire 

3 Questions

  • Q1. They asked me optimise the code I had written for the first question
  • Q2. Given a binary tree, find out the maximum sum path from root to leaf. This problem, but they said tree has only positive integers. -----/ . To store the path I had used global array. They asked me alternat...
  • Q3. Given a list of words. Given three operations find out the minimum steps to reach from source string to destination string. Basically, -----/ this is the problem with some modification. For this question I...
  • Ans. 

    The question is about finding the minimum steps to reach from a source string to a destination string using three operations.

    • BFS and DFS are graph traversal techniques that can be used to solve this problem.

    • BFS is typically used when finding the shortest path or exploring all possible paths in a graph.

    • DFS is useful when searching for a specific path or exploring deeply into a graph.

    • In this case, BFS can be used to find...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: • 1 question was on time complexity of searching an unsorted array.
• 2 questions were on recursion, ie, number of recursive calls.
• 1 question on analysing given function on string.
• 1 question was on probability(Two hotels, say A and B. Probability of moving from A to B is 2/3, staying at A is 1/3. Probability of moving from B to A and staying at B is 1/2. If they make decisions each hour, and if they were at A at 7:00 pm, what is the probability that they will be at B at 10:00 pm).
• If a set has elements {1,2,3,4 .... n}. Then what is the sum of elements of it's power set. (Ex: S = {1,2}. Then power set is {{},{1},{2},{1,2}}. The sum is 6.
• If a set has elements {1,2,3,4,5,6,7,8,9,10}. Then how many subsets of 3 elements has no consecutive elements.
• 1 question was on designing a DFA for a string starting with a and ending with c and has at least b in it.
• 1 question had machine instructions. We had to find out minimum number of cycles needed to execute the given set of instructions. (a) If the instructions are executed in the given order. (b) If the instructions are executed in random order.
• 1 puzzle on bridges.

Tips: In this round they not only see the answer. They also verify how you approached(So, give correct explanation to your answers).
Duration: 90 minutes
Total Questions: 10

Round: Coding Round
Experience: Two questions were there. 3 hours duration.

1. Long question, I don't remember fully. I'll just give input/output examples. It was basically on string decoding. If jon2snow3 is there the decoded string will be jonjonsnowjonjonsnowjonjonsnow. Given a string and an integer k we have print the kth character in the decoded string
input:
jon2snow3
8
output:
n

2. Given an array and an integer k return the number of contiguous sub arrays whose sum is divisible by k.
input format:
n k

input:
4 5
10 0 4 5

output:
4

explaination: {10},{0},{10,0},{5} are the sub arrays with sum divisible by 5.


Tips: You will have lots of time, so try to optimise the solution if you can. Remember here also they review each individual's code.

Round: Technical Interview
Experience: They will help you a lot if you are stuck at some point in the question. You have to be smart enough to grasp the clue.
Tips: They only ask questions only on data structures and algorithms.

Skill Tips: You have to be strong in coding. Algorithm questions will be mostly on dynamic programming. Data structures questions are mostly on trees.
Skills: C Programming, Maths(esp Probability), Algorithms And Data Structures
Duration: 5
College Name: JSS Mahavidyapeetha Sri Jayachamarajendra College Of Engineering, Mysore

Skills evaluated in this interview

I was interviewed in Feb 2017.

Interview Questionnaire 

7 Questions

  • Q1. What is a malloc function and where is it used and how is it different from new?
  • Ans. 

    malloc is a function in C that dynamically allocates memory on the heap. It is used to allocate memory for variables or data structures.

    • malloc is used in C programming language.

    • It is used to allocate memory on the heap.

    • malloc is different from 'new' in C++ as it does not call constructors for objects.

  • Answered by AI
  • Q2. What is the difference between C++ and Objective C and where will you use it?
  • Ans. 

    C++ is a general-purpose programming language while Objective C is a superset of C used for iOS and macOS development.

    • C++ is widely used for developing applications, games, and system software.

    • Objective C is mainly used for iOS and macOS development.

    • C++ supports both procedural and object-oriented programming paradigms.

    • Objective C is an object-oriented language with dynamic runtime features.

    • C++ has a larger community a...

  • Answered by AI
  • Q3. What is the difference between class container and class composition?
  • Ans. 

    Class container is a class that holds objects of other classes, while class composition is a way to combine multiple classes to create a new class.

    • Class container holds objects of other classes, acting as a collection or container.

    • Class composition combines multiple classes to create a new class with its own behavior and attributes.

    • In class container, the objects are typically stored in a data structure like an array o...

  • Answered by AI
  • Q4. There are fifteen horses and a racing track that can run five horses at a time. You have to figure out the top 3 horses out of those and you don't have any timer machine to measure. How will you find the t...
  • Ans. 

    Divide the horses into groups of 5 and race them. Take the top 2 from each race and race them again. Finally, race the top 2 horses to determine the top 3.

    • Divide the horses into 3 groups of 5 and race them.

    • Take the top 2 horses from each race and race them again.

    • Finally, race the top 2 horses to determine the top 3.

  • Answered by AI
  • Q5. What is the most difficult problem that you have solved (during work) till now and why you think you could do so?
  • Ans. 

    Developing a real-time data processing system for a high-traffic e-commerce website

    • Implemented a distributed system architecture to handle large volumes of data

    • Optimized algorithms for efficient data processing and storage

    • Utilized caching mechanisms to improve system performance

    • Worked closely with cross-functional teams to troubleshoot and resolve issues

    • Example: Successfully reduced data processing time by 50% by imple

  • Answered by AI
  • Q6. Why you want to change your current job?
  • Ans. 

    Seeking new challenges and opportunities for growth.

    • Looking for a more challenging role to further develop my skills

    • Interested in exploring new technologies and industries

    • Seeking better career advancement opportunities

    • Want to work in a more collaborative team environment

  • Answered by AI
  • Q7. What is the width of a tree? How will you calculate the width of the tree?
  • Ans. 

    The width of a tree is the maximum number of nodes at any level in the tree.

    • To calculate the width of a tree, we can perform a level order traversal and keep track of the maximum number of nodes at any level.

    • We can use a queue data structure to perform the level order traversal.

    • At each level, we count the number of nodes in the queue and update the maximum width if necessary.

  • Answered by AI

Interview Preparation Tips

Skills: Basic C/C++, Implementing Data Structures In C++

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. C++ Program to reverse a string
  • Ans. 

    C++ program to reverse a string

    • Use a loop to iterate through the string

    • Swap the characters at the beginning and end of the string

    • Continue swapping until the middle of the string is reached

  • Answered by AI

Skills evaluated in this interview

I applied via Referral and was interviewed before Apr 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Mostly Basic concepts of javascript, html and css

Interview Preparation Tips

Interview preparation tips for other job seekers - Make sure to prepare basic concepts properly. Don't hurry to highlight advance topics.
Answer questions only if you are sure about the correct answer.

I applied via Campus Placement and was interviewed in Aug 2022. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Types of data structure and their time complexities
  • Ans. 

    Data structures are used to organize and store data efficiently. Time complexity is the measure of efficiency.

    • Arrays - O(1) for access, O(n) for search and insertion

    • Linked Lists - O(n) for access, O(1) for insertion and deletion

    • Stacks - O(1) for access, insertion and deletion

    • Queues - O(1) for access, insertion and deletion

    • Trees - O(log n) for access, insertion and deletion

    • Hash Tables - O(1) for access, insertion and de

  • Answered by AI
  • Q2. Types of Binary Tree
  • Ans. 

    Binary trees are classified based on the number of children each node can have.

    • Full binary tree: every node has either 0 or 2 children

    • Complete binary tree: all levels except possibly the last are completely filled, and all nodes are as far left as possible

    • Perfect binary tree: all internal nodes have two children and all leaf nodes are at the same level

    • Balanced binary tree: the difference in height between the left and ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare time complexities of the data structure algorithms and be through with oops concept

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Trimble user image Saminathan Alagu Sundaram

posted on 25 Oct 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Based on DSA, OOPS
Round 2 - Technical 

(1 Question)

  • Q1. Based on Projects in Resume
Round 3 - Technical 

(1 Question)

  • Q1. Technical Discussion about earlier projects
Round 4 - HR 

(1 Question)

  • Q1. Salary Discussion
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Company Website and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. What is polymorphism?
  • Ans. 

    Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.

    • Polymorphism is a fundamental concept in object-oriented programming.

    • It enables code reusability and flexibility.

    • Polymorphism can be achieved through method overriding and method overloading.

    • Example: A parent class Animal can have multiple child classes like Dog, Cat, and Bird. They can ...

  • Answered by AI
  • Q2. What is static polymorphism?
  • Ans. 

    Static polymorphism refers to the ability of a programming language to select the appropriate function or method at compile-time.

    • Static polymorphism is achieved through function overloading or operator overloading.

    • It allows different functions with the same name but different parameters to be called based on the arguments provided.

    • The selection of the appropriate function is determined at compile-time, based on the sta...

  • Answered by AI
  • Q3. What is dynamic polymorphism?
  • Ans. 

    Dynamic polymorphism is the ability of an object to take on many forms based on the context it is used.

    • It allows objects of different classes to be treated as objects of a common superclass.

    • It is achieved through method overriding and virtual functions.

    • Example: A superclass 'Animal' with subclasses 'Dog' and 'Cat'. Both can be treated as 'Animal' objects.

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Logical verbal non verbal question

Round 2 - Group Discussion 

Java object oriented language

Interview Preparation Tips

Interview preparation tips for other job seekers - Hard work
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MathWorks Interview FAQs

How many rounds are there in MathWorks Deep Learning Engineer interview?
MathWorks interview process usually has 1 rounds. The most common rounds in the MathWorks interview process are One-on-one Round.

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MathWorks Deep Learning Engineer Interview Process

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