Math: Characteristic Equation Find the perpendicular vector to two given vectors Determinant of the inverse of a matrix Determinant of the transpose of a matrix What is inversion Rank Programming: Explain how you would find duplicates in an array Call by reference, call by value Recursion How can you make a program more efficient keeping the algorithm the same C: malloc and calloc difference #include typedef pointers, null pointers Matlab: Difference between * and .* How do you plot a graph How do you change colour of plots How do you open a .mat file How do you store and clear workspace Make a linear array of 3's, size 100 What is ~ Embedded Systems: RTOS Semaphores Preemption

Asked me to write a prototype for a simple algorithm in any programming language