In MATLAB, questions were asked on private functions, plots, subplots, hold on command. Concatenation of arrays,horzcat command, output of code snippets.
Applications Support Engineer Interview Questions
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What is a pointer
Most of them are on Glassdoor. Whether you are interviewing with Cambridge, Natick or Bangalore, the questions are always the same as they just follow a procedure. Please spend the time to gather all Glassdoor questions. They may sometimes be stupid, but that s really what they re going to ask!
Hackerrank Challenge: Java (6 mcq's and 2 programming questions) - Sort HashMap by value and reversing words in a sentence. C/C++ (6 mcqs and 2 programming questions) - initializing base class members from derived class through derived class constructor and Max Difference in an array.
how your background fits this position
GPA, visa status, why interested in the job
How to improve performance of a matlab program?
1. Why MathWorks 2. explain a situation where you handled Multi tasks 3. GPA, work authorization 4. Why are you interested in this role 5. what is you previous experience
There are a lot of reviews for technical phone and HR interviews. So I am focusing on Onsite interview Questions. JAVA Given few code snippets and asked to find errors. A program which tried to remove star along with character preceding and succeeding it. Something like String s = “abcsd*sdfsdf*asd”; String t = “” for(int I =0; i< s.length(); i++){ String temp = s.charAt(i); if(temp == ‘*’){ //Some erroneous code trying to blank out character at i-1 and i+1 //and making t = s } } System.out.println(t); A Code on Multi threading Class MyThread extends Thread{ int myNum; static int count; Mythread(int i){ super(); count++; myNum = i; } public void run(){ System.out.println(“Count is”+count +”MyNum is”+myNum); } Public static void main(String args[]){ for(int i =0; i <4; i++){ MyThread mt = new MyThread(i); mt.start(); } } } Code Garbage collection Which of these objects are eligible for garbage collection class Test{ Test obj; } class Main{ public static void main(String args[]){ Test t1 = new Test(); Test t2 = new Test(); Test t3 = new Test(); t1.obj = t2; t2.obj = t3; t3.obj = t1; t1= null; t2 = null; t3 = null; } } C/C++ Shown code to find errors or outputs char c[] = {'a','b','c','d','e','f'}; char d[6]; while(*d++ = *c++); class Test{ public: static int count; Test(){ count++; } } Test::count = 0; Test t1; Test t2; Test t3; cout << t1.count << t2.count << t3.count << endl; Given a function int myfunc(B* obj){ //Does something } Asked which of the following calls are valid given the following hierarchy A / \ B C / D B* b = new B; D* d = new D; A* a = new A; C* c = new C; myfunc(b) myfunc(d) myfunc(c) myfunc(a) Math Was shown a function on the board and asked to draw its derivative Was given a parabola y = 12 - x^2 (symmetric about Y axis) and asked to find the max area of a rectangle that rests on X-axis and is inside the parabola Programming Concepts Asked to write program to draw 1/8th of a cirlce Asked to write a sorting program Shortest route for an ant crawling on a solid cube from one corner to diagonally opposite corner Signal Processing Given two discrete sequences and asked to find convolution Asked difference between Discrete and Circular convolution Given a sequence x[n] and asked to find step interpolated down sampling x[2n - 0.5] and up sampling x[n/2 + 0.5] Manager Interview/ HR Interview What would your manager say about you? Both positive and negative. Any other offers?
coding in any two languages - C/C++, JAVA, Python, MATLAB.. Questions from any one domain - DSP, embedded systems, control systems, object oriented programming
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