Apr 28, 2020 · I'm self-learning Linear Algebra and have been trying to take a geometric approach to understand what matrices mean visually. I've noticed this matrix product pop up repeatedly …

May 11, 2015 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation …

The reason why 1∞ 1 ∞ is indeterminate, is because what it really means intuitively is an approximation of the type (∼ 1)largenumber (∼ 1) l a r g e n u m b e r. And while 1 1 to a large …

Why is 1 1 not considered a prime number? Or, why is the definition of prime numbers given for integers greater than 1 1?

Aug 30, 2010 · The formal moral of that example is that the value of 1i 1 i depends on the branch of the complex logarithm that you use to compute the power. You may already know that 1 …

Is there a formal proof for $(-1) \\times (-1) = 1$? It's a fundamental formula not only in arithmetic but also in the whole of math. Is there a proof for it or is it just assumed?

1毫米的雨， 如果落在1㎡的地面上，如果不考虑蒸发，地表径流，渗入，那么这些雨水的体积为1升，也就是 两瓶500毫升矿泉水的水量， 如果落在 1万平米（≈1.4个足球场） 的地面上，就 …

1 is supposed to be an inverse matrix. I'll add that info into the question – Eenoku Commented Oct 22, 2016 at 22:37 @JMoravitz yes, it's usually defined by AA−1 = I =A−1A A A − 1 = I = A …

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Mar 30, 2020 · 1 Short Answer Yes AA -1 = A -1 A = I when the Det (A) ≠ ≠ 0 and A is a square matrix. Long Answer A matrix is basically a linear transformation applied to some space. For …