Estimate a using inverse matrix calculation. This is principle of linear regression.
As a friendly reminder, we can see the test suite, so it makes the problem more challenging if the solution is not explicitly in the test suite.
The Test Suite needs to allow for floating-point errors in all test cases, as demonstrated in Solution 1575603. (Refer to Problem 44690.) Also, there should be at least four test cases for every problem.
Given area find sides
Min of a Matrix
Sum of the Matrix Elements
Volume of a box
How to permute given 3d matrix?
Print true if
Change matrix to vector2
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