x - 2y + 3z = a
2x + y + z = 4
-3x + 2y - 2z = -10
Additional test cases were added along with an improved solution-checking assertion.
Doubling elements in a vector
Find the position of first minimum value in an integer array with numbers
Find the area of the four walls
Matrix of almost all zeros, except for main diagonal
Calculate the eigenvalues of A.
Return the amount of palindromes (words) in the string.
Find matrix of indices for multidimensional matrix.
Return ! if array element starts with a certain letter. Otherwise return ?
Find the sum of the negative elements under the main diagonal.
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