In Mathematica, I want to get the variable values by solving one equation directly, this means: I have the equation a1x+b1y+c1=d1a2x+b2y+c2=d2a_1 x + b_1 y + c_1 = d_1 \\ a_2 x + b_2 y + c_2 = d_2 a1... 查看原文 《微分方程_附应用及历史注记》Page 4. ...
$ git checkout <commit-hash> # checkout to the commit need to modify $ git commit --amend --author "name <author@email.com>" # change the author name and email $ git replace <old-commit-hash> <new-commit-hash> # replace the old commit by new one $ git filter-branch -- --all...
To find the latest, I first go at the end of the file then search backward: Hit G to go to the end (it's a capital G) Hit ? and enter your apps name It's not as practical, but on the device on which I work (a Jetson), that was pretty much the only w...
On a Linux machine, you don’t have to be a programmer to take advantage of development tools, but when working with the system, you should know something about programming tools because they play a larger role in managing Unix systems than in other operating systems. At the very least, yo...
While logged in as the root account of a CLI installation, almost every application gives me this...