20+ MathWorks Interview Questions and Answers

Determine if it is possible to handle all passenger trips within the car capacity without exceeding it at any point.

• Iterate through each trip and keep track of the total number of passengers in the car at each point.

• Check if the total number of passengers exceeds the car capacity at any point, return 'False'. Otherwise, return 'True'.

Code to merge two sorted linked lists.

• Create a new linked list to store the merged list

• Compare the first nodes of both lists and add the smaller one to the new list

• Move the pointer of the list with the smaller node to the next node

• Repeat until one of the lists is empty, then add the remaining nodes of the other list to the new list

• Return the new merged list

Convert a Binary Search Tree into a Greater Sum Tree by replacing each node's value with the sum of all nodes' values greater than the current node's value.

• Traverse the BST in reverse inorder (right-root-left) to visit nodes in descending order.

• Keep track of the running sum of visited nodes and update each node's value with this sum.

• Recursively apply the above steps to all nodes in the BST.

• Example: For the input BST [4, 1, 6, 0, 2, 5, 7], the output Greater Sum Tree will be [...read more

Given a binary matrix, find the distance of the nearest cell containing 1 for each cell in the matrix.

• Iterate through the matrix and for each cell, find the nearest cell containing 1 using BFS or DFS.

• Calculate the distance using the formula |i1 – i2| + |j1 – j2|.

• Update the matrix with the distances to the nearest cell with 1.

• Handle edge cases like cells already containing 1 or cells with no 1s nearby.

• Ensure movements are only allowed in four directions: Up, Down, Left, and Ri...read more

Find the K-th ugly ninja number using prime factors from a given list.

• Generate ugly numbers using prime factors from PRIME_ARR

• Keep track of the K-th ugly number

• Return the K-th ugly number

Determine the maximum amount you can win in a coin game by selecting coins strategically.

• Start by understanding the rules of the game and the goal of maximizing winnings.

• Consider the fact that you can choose either the first or last coin in each turn.

• Think about how to ensure you make the best choice at each turn to guarantee the maximum win.

• Examples: For the input 4 9 5 21 7, selecting coins in the order of 9 and 21 results in a maximum win of 30.

Count pairs in an array whose sum is divisible by a given integer K.

• Iterate through the array and calculate the remainder of each element when divided by K.

• Store the remainders in a hashmap along with their frequencies.

• For each remainder R, check if K - R is present in the hashmap and add the product of their frequencies to the count.

• Return the total count of pairs whose sum is divisible by K.

HIL programming involves testing software with real hardware components, while normal software simulation uses virtual components.

• HIL programming requires physical hardware interfaces for testing

• Normal software simulation uses virtual components to mimic real-world scenarios

• HIL programming provides more accurate results due to real hardware interactions

• Normal software simulation is more cost-effective and easier to set up compared to HIL programming

I prioritize tasks, communicate effectively, delegate when necessary, and use project management tools to track progress.

• Prioritize tasks based on deadlines and importance

• Communicate regularly with team members to ensure everyone is on track

• Delegate tasks when necessary to ensure all deadlines are met

• Utilize project management tools like Trello or Asana to track progress and deadlines

Stateflow is a graphical programming language tool used for modeling and simulating complex systems with finite state machines.

• Stateflow is part of MATLAB/Simulink and allows for visual representation of logic and control flow.

• It is commonly used in industries such as automotive, aerospace, and robotics for modeling complex systems.

• Stateflow enables engineers to design and simulate state machines, flow charts, and truth tables.

• It helps in analyzing and debugging complex contr...read more

Calculate dot product using C language

• Use two arrays of numbers to calculate the dot product

• Iterate through the arrays and multiply corresponding elements, then sum the results

• Ensure both arrays are of the same length

Reverse a linked list by changing the next pointers of each node to point to the previous node.

• Start with three pointers: current, previous, and next.

• Iterate through the list, updating the next pointer of each node to point to the previous node.

• Update the previous, current, and next pointers for each iteration.

Memory management is the process of controlling and coordinating computer memory, assigning portions called blocks to various programs.

• Memory management involves allocation, deallocation, and organization of memory blocks.

• It ensures that each process gets the memory it needs and that memory is used efficiently.

• Examples include dynamic memory allocation in C/C++, garbage collection in Java, and virtual memory management in operating systems.

Sampling theorem states that a continuous signal can be accurately represented by discrete samples if the sampling rate is at least twice the highest frequency component of the signal.

• The sampling theorem, also known as Nyquist-Shannon sampling theorem, is essential in digital signal processing.

• It states that in order to accurately reconstruct a continuous signal from its samples, the sampling rate must be at least twice the highest frequency component of the signal.

• If the sa...read more

Polymorphism is the ability of a single function or method to operate on different types of data.

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

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.