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Applications Support Engineer Interview Questions

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1,952 applications support engineer interview questions shared by candidates

Some of the questions were: Control Systems: - How's an LTI system stable? - What are Eigenvalues - Find stability of LTI system - Find Eigenvalues - Phase Margin? - State Space formulation - Observability, Controlability - Rank of a matrix - Control canonical form - Lyapunov stability - Find poles of a system - What is Bode plot? Math/Algebra: - Solve an ODE - Diff b/w ODE and PDE - Solve a limit involving indefinite terms (used L'ospital rule) Programming, C: - malloc - const - Recursive function. Give example - Difference between passing a pointer and a variable to a function? - Null pointer? - Sturctures? - Diff b/w structure and unions? - ptr ++ - Some simple for loop questions Programming, MATLAB: - Defining path of folders - Clearing and importing variables - Making an array of numbers divisible by 3 - Concatenating strings That's pretty much it. In total there were 32 questions. I got 27 of them right, and the remaining I either didn't answer or gave him the general idea since I could not recall it at the spur of the moment. From the other reviews, it seems there is not a lot of hope but; let's see. Fingers crossed. Hope this helps.
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Applications Support Engineer Intern

Interviewed at MathWorks

4.3★
Feb 4, 2014

Some of the questions were: Control Systems: - How's an LTI system stable? - What are Eigenvalues - Find stability of LTI system - Find Eigenvalues - Phase Margin? - State Space formulation - Observability, Controlability - Rank of a matrix - Control canonical form - Lyapunov stability - Find poles of a system - What is Bode plot? Math/Algebra: - Solve an ODE - Diff b/w ODE and PDE - Solve a limit involving indefinite terms (used L'ospital rule) Programming, C: - malloc - const - Recursive function. Give example - Difference between passing a pointer and a variable to a function? - Null pointer? - Sturctures? - Diff b/w structure and unions? - ptr ++ - Some simple for loop questions Programming, MATLAB: - Defining path of folders - Clearing and importing variables - Making an array of numbers divisible by 3 - Concatenating strings That's pretty much it. In total there were 32 questions. I got 27 of them right, and the remaining I either didn't answer or gave him the general idea since I could not recall it at the spur of the moment. From the other reviews, it seems there is not a lot of hope but; let's see. Fingers crossed. Hope this helps.

No exceedingly difficult questions. Here are some relatively difficult ones: - Given a 2x2 matrix, find the eigenvalues; - What are some ways to speed up a code? Seemed like they require 3; - Given f(a) and f'(a), find f(b); - L'hopital's rule. I didn't see this one listed on Glassdoor comments.
avatar

Applications Support Engineer

Interviewed at MathWorks

4.3★
Jan 6, 2014

No exceedingly difficult questions. Here are some relatively difficult ones: - Given a 2x2 matrix, find the eigenvalues; - What are some ways to speed up a code? Seemed like they require 3; - Given f(a) and f'(a), find f(b); - L'hopital's rule. I didn't see this one listed on Glassdoor comments.

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