My python package for general purpose optimization, optzer, is now available from pip via pip install optzer.

Recent posts



clang error after upgrading to macOS Big Sur

Upgraded macOS from Catalina to Big Sur today. So far almost no trouble occured after this OS upgrade except that there is an error when I tried to compile some program with using gfortran such as, clang: error: invalid version number in '-mmacosx-version-min=11.0' But this was solved by updating Xcode via App Store. I prefer the appearance of Big Sur to Catalina ;)

No more car navigation...

最近車を買い替えたが,新しい車ではカーナビとして Android auto で Google map を利用するのがデフォルトとなっている.以前から思ってはいたことだが,このやり方より