Boyu Liu

> > > 已解决，果然是N卡驱动的问题 > > > > > > 你好，请问你是怎解决的呢 > > 已解决，参考https://askubuntu.com/questions/834254/steam-libgl-error-no-matching-fbconfigs-or-visuals-found-libgl-error-failed-t. > > ```shell > $ sudo rm /usr/lib/i386-linux-gnu/mesa/libGL.so.1 > ``` 这个方法试过之后不行,我的解决办法是: 卸载QQ之后,执行如下命令 `$ rm -rf ~/.deepinwine/Deepin-QQ`...

> To be precise, it would be the second covariant derivative of a vector field V(t) along a curve. A vector would just be numbers and not function to take...

> a chart is the exponential map? If so then only exp at a point, and I fear it is maybe more like log. > > For the subscript and...

> Sorry, I am using that term very often, ONB = OrthoNormal Basis (here of a tangent space) > > ah ok, yes sure then ξ1(t) for example is the...

> > The function returns 10.0 when collision hits, so that the constraint should be view as unsatisfied. > > COBYLA assumes that the function is differentiable, so if you...