solutions are rounded in a somewhat arbitrary fashion...
Your value of pi is wrong.
The problem should specify that the used value for pi is 3.1416 (since this is not its true value), and that we need to use floor with precision of 4 decimal places.
Find the alphabetic word product
Angle between two vectors
Getting logical indexes
Matlab Basics - Pick out parts of a vector
MATLAB Basic: rounding
Throw common elements of two vector arrays in sorted manner
Xor of matrix
To convolve two vectors
Find minimum and maximum elements of an array
Moore-Penrose pseudoinverse of matrix
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