MathWorks Applications Support Engineering interview questions

Interview with basic questions. They sent you an email inviting you to set up a video interview record. Use your smart phone to follow the instruction, download an app name wepow to record your answer to a few basic interview questions. You have like 15 seconds to prepare for each question and 2 minutes to answer them.

telephone technical interview: DSP: - y(n) = x(n^3), linear?time-invariant? -impulse response h[n] = 9*n*u(n), system stable? -h[n] = [4,0,1,0,2], arrow on second element, causal? -convolution definition, difference between convolution and correlation -difference between DFT and DTFT? which one is suitable for computers -difference between DFT and FFT -Nyquist theorem -aliasing, given an example of wheel with pokes -connection between DTFT and z transform, they expect z = e^(jw) -ROC of z transform -difference between IIR and FIR C++ - advantages of OOP programming over procedure programming -recursive function, exit condition -how to have an instance of a class if the constructor is private -If class foo has private data types and private methods only, class bar inherits from class foo. how can you access the data types? -int arr[] = {1,2,3,4} for(int i = 0; i < 4; i++) { cout<<*(arr+i)<<" "; } explain this piece of code - virtual functions and virtual destructor - Matlab - meaning of @, %, ~ -difference between A^2, A.^2 -A = 1:1:100;, find every third elements -A = 1:1:100; find all elements divisible by 5 - what's path meaning? used for? Math -definite integral and indefinite integral - order of differential equation -calculate the eigenvalues of matrix [3, -1; 1, 5] -given a function, calculate left limit and right limit, whether the limit exists -left inverse....