You can't make visual effects without vectors and matrices.

没有向量和阵就无法制作视觉效果。

Well, let's look at the confusion matrices!

好吧，我们就来看看淆阵模型！

For AI, it's just numbers, matrices and vectors, and all these numbers.

但对人工智能来说，它只数字、阵和向量，所有些都数字。

On average, volunteers report having solved six matrices, when it was really more like four.

志愿者的报告上显示平均每人解决了6问题，但实际上更像4。

They were asked to complete as many matrices as they could in three minutes.

他们被要求在三分钟内完成尽可能多的阵。

You often think of these as rotation matrices.

你通常将些视为旋转阵。

They call it SO(3), typically defined in terms of a certain family  of 3-by-3 matrices.

他们称之为三维旋转群，通常由一组特定的3×3阵定义。

So the benchmark has at its core, a matrix multiply, two matrices being multiplied together.

因此，基准测试的核心阵乘法，即两阵相乘。

So when we've had matrices in the past how have we solved the game?

那么当我们过去有阵时我们解决游戏的？

Does it matter what order we put the two matrices in when we multiply them?

阵相乘时，它们的先后顺序影响结果吗？

Speaking of detective work, let's talk more about risk assessment and those risk matrices.

说到侦探工作，我们不妨深入探讨一下风险评估和那些风险阵。

So far, we've been storing individual numbers or letters into our arrays or matrices.

到目前为止，我们一直将单数字或字母存储到数组或阵中。

Each of our 32 squares has 4 matrices, so that’s 32 thousand, 7 hundred and 68 bits.

我们每32方格都有4阵，所以总共32千7百68比特。

I love thinking in terms of the matrices and the vectors and these kind of data structures.

我喜欢用阵和向量以及类数据结构来思考。

Strength training was superior because it promoted the rebuilding or the building of the collagen matrices in the skin.

力量训练之所以更胜一筹，因为它促进了皮肤中胶原蛋白基质的修复或重建。

For instance, in the case of two by two matrices, rank two is the best that it can be.

例 在2×2阵的情况下 秩2最好的。

They are giant, inscrutable matrices of floating point numbers that we nudge in the direction of better performance until they inexplicably start working.

它们无法参透的大型浮点数阵，我们在朝着更好的性能试探着前进，直到它们莫名其妙地运行起来。

So in the first half of the class we drew a lot of matrices, now we're going to draw trees.

所以在课程的前半部分我们画了很多阵，现在我们要画树。

Next video, by popular request, will be a brief footnote about non square matrices.

下一视频 根据大家的要求 将一关于非方阵的简短脚注。

Multiplying two matrices is also similar.

两阵相乘也类似的。