1. Announcement:
stapel (Elite Member)
01-14-2016
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For the highest-level (post-calculus) math questions that don't fall into any other category.

1. ### Sticky: Read Before Posting!!

• Replies: 0
• Views: 19,411
Ted
02-21-2006, 12:22 AM
1. ### Inner product on $\mathbb{R}^n$: Is it P:ℝn×ℝn→ℝ or is it P:ℝn×ℝn→ℝ+ ?

• Replies: 0
• Views: 154
02-21-2018, 05:24 PM

• Replies: 2
• Views: 142
02-19-2018, 12:25 AM
3. ### A ship has a centrally mounted turbine engine w/ axis of rotation aligned along...

• Replies: 3
• Views: 189
02-14-2018, 12:58 PM
4. ### Dynamics - advanced: tower crane anti-collision system has gyroscope to keep vertical

• Replies: 0
• Views: 71
02-14-2018, 10:40 AM
5. ### Implication in Propositional and Predicate Logic

• Replies: 1
• Views: 180
02-11-2018, 08:55 PM
6. ### Help with this question (idk category :/)

• Replies: 2
• Views: 137
02-10-2018, 04:38 PM
7. ### Simple module: Let R be a ring with 1 and F a family of simple left R modules.

• Replies: 1
• Views: 230
02-06-2018, 08:30 AM
8. ### Extended GCD algorithm for polynomials: write number 1/(a3+2a2+4), where a satisfies:

• Replies: 0
• Views: 128
02-05-2018, 11:27 PM
9. ### Chinese Remainder Thm/Simult. congruences: X ≡ 2 mod 3, X ≡ 2 mod 4, X ≡ 1 mod 5

• Replies: 0
• Views: 216
01-29-2018, 05:07 PM
10. ### dual quaternion displacement in the Z direction by 167 and rotate 10 degrees

• Replies: 0
• Views: 205
01-27-2018, 02:33 PM
11. ### Switching Numbers: infinite ordered series with two elements in the wrong order

• Replies: 0
• Views: 252
01-24-2018, 03:04 PM
12. ### Linear Algebra: uses, in mathematics and otherwise?

• Replies: 7
• Views: 755
01-23-2018, 03:09 AM
13. ### cross product with scalars: Given A=4a_x-2a_y+6a_z, find a_x x(cross) A

• Replies: 1
• Views: 346
01-16-2018, 03:37 AM
14. ### Linear Algebra: Proving that a matrix is invertible

• Replies: 0
• Views: 196
01-14-2018, 11:42 AM
15. ### Euler's Identity and i: how to solve e^(pi*i) = -1 for i

• Replies: 9
• Views: 636
01-08-2018, 01:44 PM
16. ### What does f(u)(t-u) mean in this convolution equation?

• Replies: 1
• Views: 227
01-07-2018, 10:52 PM

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