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.
Whether the input is vector?
Find out missing number from a vector of 9 elements
Matlab Basics II - squares
Matlab Basics II - Extract last 3 elements of a vector
Determine point is located in a circle or not
How to permute given 3d matrix?
How to calculate log?
Change matrix to vector2
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