2020-09-30 12:57:04 +0100 | received badge | ● Nice Question (source) |
2020-09-30 12:24:13 +0100 | received badge | ● Student (source) |
2020-09-30 12:09:00 +0100 | asked a question | Testing if an object is a matrix Some time ago, to test if But this is now deprecated. What should I use instead? |