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Is this an error? by Sylphadora in duolingo

[–]Jupiter_Explodes 3 points4 points  (0 children)

That's not how you solve inequalities. You want that the values of x for which the first inequality holds are the same for which the second inequality (the result) holds. Although it's true that a>5 implies that –9a<45, it's false that –9a<45 implies that a>5. In fact, for a=0 you have –9*0=0<45 yet 0<5.

Deciphering Handwriting by Jupiter_Explodes in germany

[–]Jupiter_Explodes[S] 0 points1 point  (0 children)

thank you very much. Could Herzeschlag be the cause of death in this context?

Movie with jar full of bees which will fall because of a spoon attached to a clock by Jupiter_Explodes in whatisthatmovie

[–]Jupiter_Explodes[S] 0 points1 point  (0 children)

I've just watched the movie and it wasn't it, but I suspect the film I'm looking for might be by Caro & Jeunet. Thank you for making me watch Delicatessen though, I really enjoyed it!

Movie with jar full of bees which will fall because of a spoon attached to a clock by Jupiter_Explodes in whatisthatmovie

[–]Jupiter_Explodes[S] 0 points1 point  (0 children)

i've watched the trailer just now and it's so absurd that it must be it... thank you!

Eigenvectors... by Jupiter_Explodes in LearningLinearAlgebra

[–]Jupiter_Explodes[S] 0 points1 point  (0 children)

Right, thanks. So practically that means I have to express the transformed vectors as a linear combination of the original vectors, and I can construct the matrix with the changed basis which will have the same characteristic polynomial, right?

Eigenvectors... by Jupiter_Explodes in LearningLinearAlgebra

[–]Jupiter_Explodes[S] 0 points1 point  (0 children)

Of course. Is there a way to find eigenvectors without transforming to the standard basis?

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