x - 2y + 3z = a
2x + y + z = 4
-3x + 2y - 2z = -10
Additional test cases were added along with an improved solution-checking assertion.
Number of digits in an integer
Find the position of first minimum value in an integer array with numbers
Create a square matrix of zeros of even order
Find the sum of the negative elements under the main diagonal.
Calculate the eigenvalues of A.
Solve the system of equations.
Find the product of the positive elements above the main diagonal.
Create cotangent function out of sine.
Numerate input arguments
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