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Home Assignment 2 / Re: Concept: Where does the (-) come from
« on: January 22, 2019, 10:05:47 PM »
Yes, I do mean that equation. When I try it myself however, (lines 2 to 3 of my initial post) the math comes out that dx = -tdt.
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Home Assignment 2 / Concept: Where does the (-) come from
« on: January 22, 2019, 04:29:32 PM »
Still confused about where the negative sign comes in the Constant Coefficients and Variable Coefficients section. For example, how I derive the example in the variable section would be...
Ut + tUx = 0
dx + tut = 0
dx = -tut
x = -1/2t2
x + 1/2t2 = 0
Ut + tUx = 0
dx + tut = 0
dx = -tut
x = -1/2t2
x + 1/2t2 = 0
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