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().
All your base are belong to us
Area of rhombus
length of a vector
Square root of a number
Find the index of the lowest number in a matrix
String Delimination and Outputting
Matrix Generation from Vector Multiplication
More Simple String Concatenation
Check if inputted variable is a string or a number
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