Please improve the test suite. There are two glaring problems. First, there is only one test case—it is recommended that at least three be provided, though more are often necessary to prevent hard-coded workarounds. Second, do not provide the solution in the test case(s). For such a problem, the answer should be calculated beforehand and provided as a predefined number to hide the solution. Furthermore, candidate functions can be checked against the solution using an adequate error bound (perhaps within 1E-3) rather than isequal().
Back to basics 25 - Valid variable names
Getting logical indexes
Basics: 'Find the eigenvalues of given matrix
Area of a circle
Rotate a matrix for 180 degree
String Delimination and Outputting
Vector Element Multiplication
Find the index of the lowest number in a matrix
Automatic String Editing
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