something strange with test 2, my implementation fails on this test (because two iterations take me considerably closer to the minimum), perhaps this is something to do with the different forms of linesearch we are using?
Test case 2 is changed to account for your subsequent comment and to also to be far enough away from the solution so that it cannot converge in 2 iterations.
Test case 2 still have problems, I have implemented the Fletcher-Reeves Conjugate Gradient Method from 1964, and it got rejected at the 2nd test. I believe the problem is that you are requesting precision from the approximation of an approximation. And this can only be done when we are very close to the solution. Test 1 seems to have the right precision for 1 iteration.
Encode Roman Numerals
Find the sum of the elements in the "second" diagonal
letter yes yes & letter no no
Find the largest value in the 3D matrix
Compute a dot product of two vectors x and y
Composite Trapezoidal Rule for Numeric Integration
Augmented Lagrange Multiplier (ALM) Method
False position (linear interpolation) method of finding a root.
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