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QBobWatson
Interactive Linear Algebra, free online textbook at Georgia Tech
In reference to version 224734d7be7ff0c4a8adb3a206356ea122112f33 I believe these matrices are not similar:  I worked them out by hand, an online matrix calculator, and finally in R. In each, I...
In reference to version 224734d7be7ff0c4a8adb3a206356ea122112f33 Shouldn't D(x e_1 + y e_2) = 2x e_1 `+` 1/2y e_2?
In reference to version 224734d7be7ff0c4a8adb3a206356ea122112f33 (Section 2.2) A Picture of a Consistent System [...]: This entire paragraph is awkwardly worded with confusing directional references. Consider a complete rewrite to more...
In reference to version 224734d7be7ff0c4a8adb3a206356ea122112f33 (Section: 2.1 Vectors) "Addition and scalar multiplication work in the same way for vectors of length n": Consider this alternative: "Addition and scalar multiplication work...
In reference to version 224734d7be7ff0c4a8adb3a206356ea122112f33 1.2 Header: "solving" should not be in quotes. (The word is used in its defined meaning, and not as a euphemism for something else.)
In reference to version 224734d7be7ff0c4a8adb3a206356ea122112f33 Sect. 1.1: " Example(The Euclidean plane)" each axis has 1 arrowhead, should be 2 or none (each). (To be consistent with R1, which has arrow...
In reference to version 224734d7be7ff0c4a8adb3a206356ea122112f33 Chapter 1, header page: In [Section 1.3](https://textbooks.math.gatech.edu/ila/1553/parametric-form.html), you will see **hnow** to express all solutions
In reference to version 224734d7be7ff0c4a8adb3a206356ea122112f33
In reference to version 224734d7be7ff0c4a8adb3a206356ea122112f33 Section "Recipe: Checking linear independence" spells "equation" with 2 i's in the bottom section of text
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Interactive Linear Algebra, free online textbook at Georgia Tech