x - 2y + 3z = a
2x + y + z = 4
-3x + 2y - 2z = -10
Additional test cases were added along with an improved solution-checking assertion.
Celsius to Kelvin
Sum the 'edge' values of a matrix
Concatenate two strings
Append two matrix as shown below example
Display positive elements of matrix.
Create cotangent function out of sine.
Return ! if array element starts with a certain letter. Otherwise return ?
Find Adjacency Matrix
Solve the system of equations.
Find the sum of the negative elements under the main diagonal.
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