Update ipnewton_basics.jl

[pkofod]

Fixes #1077

[github-actions]

Benchmark Results

	master	1097b87...	master / 1097b87...
multivariate/solvers/first_order/AdaMax	0.645 ± 0.0083 ms	0.647 ± 0.0082 ms	0.998
multivariate/solvers/first_order/Adam	0.645 ± 0.0083 ms	0.646 ± 0.0079 ms	0.998
multivariate/solvers/first_order/BFGS	0.226 ± 0.0033 ms	0.223 ± 0.0047 ms	1.01
multivariate/solvers/first_order/ConjugateGradient	0.0479 ± 0.00062 ms	0.0478 ± 0.0007 ms	1
multivariate/solvers/first_order/GradientDescent	1.71 ± 0.015 ms	1.71 ± 0.015 ms	1
multivariate/solvers/first_order/LBFGS	0.219 ± 0.0025 ms	0.219 ± 0.0027 ms	0.997
multivariate/solvers/first_order/MomentumGradientDescent	2.51 ± 0.014 ms	2.51 ± 0.021 ms	0.999
multivariate/solvers/first_order/NGMRES	0.55 ± 0.01 ms	0.553 ± 0.01 ms	0.996
time_to_load	0.52 ± 0.0056 s	0.524 ± 0.0084 s	0.993

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR.
Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.92%. Comparing base (97f5e3d) to head (1097b87).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1153   +/-   ##
=======================================
  Coverage   85.92%   85.92%           
=======================================
  Files          46       46           
  Lines        3582     3582           
=======================================
  Hits         3078     3078           
  Misses        504      504           

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