Find the sum of the elements in the "second" diagonal
Given a matrix, return the last eigen value
Find 10's complement
Matlab Basics - Convert a row vector to a column vector
MATLAB Basic: rounding IV
Matrix indexing with two vectors of indices (★★)
Create logarithmically spaced values (★)
Make a checkerboard matrix (★★★★★)
Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)
Swap the first and last columns (★★)
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