User maritsm

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Why in complex dot product, $\vec{a}\cdot\vec{b}=0$ when $\vec{a}$ and $\vec{b}$ are orthogonal?

answered Jan 29, 2022 at 15:17

1 vote

What is the splitting field of $x^{24} + x + 1$ over $\mathbb F_{23}$?

answered Oct 31, 2021 at 9:44

1 vote

Is $s/log(s)$ the Laplace transform of some functions f(x)?

answered Apr 27, 2021 at 8:22

2 votes

Prove that the intersection of two $\sigma$-algebra is a $\sigma$-algebra

answered Apr 14, 2021 at 7:16

1 vote

U-sub without changing the bounds of integration

answered Apr 11, 2021 at 12:33

2 votes

Accepted

Does adding a perpendicular component to a vector change its angle?

answered Mar 29, 2021 at 16:55

3 votes

Accepted

Proof Explanation - $\Bbb R$ is connected, i.e. has no non-trivial clopen subsets

answered Mar 1, 2021 at 13:01

1 vote

Accepted

An onto map to a Unit Circle $|z|=1$

answered Feb 24, 2021 at 19:55

1 vote

$z^5 = -32$ Where I am doing wrong?

answered Feb 22, 2021 at 7:13

1 vote

If $\dim V = n$, why does any set of $n$ linearly independent vectors span $V$?

answered Jan 30, 2021 at 21:03

1 vote

Notation on isomorphism showing that a vector space is isomorphic to its double dual.

answered Jan 30, 2021 at 20:39

1 vote

Accepted

Notation of: a · b = 0 if a, b are orthogonal.

answered Jan 27, 2021 at 14:33

0 votes

Accepted

Functions $f:\mathbb{R}\to\mathbb{R}$ with a local minimum at every point

answered Jan 23, 2021 at 11:38

2 votes

Accepted

Bayes' rule for conditional probability

answered Jan 12, 2021 at 20:33

0 votes

How to find if a sequence is converging or diverging?

answered Nov 29, 2020 at 15:16

1 vote

Is there an efficient algorithm to generate a symmetry group from a finite set of symmetry operation?

answered Nov 27, 2020 at 14:08

0 votes

Accepted

Prove if $I$ is an ideal of $R$ ring, then $(I \cup \{x\})/(x) \cong I$.

answered Nov 24, 2020 at 21:39

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17 Answers

Why in complex dot product, $\vec{a}\cdot\vec{b}=0$ when $\vec{a}$ and $\vec{b}$ are orthogonal?

What is the splitting field of $x^{24} + x + 1$ over $\mathbb F_{23}$?

Is $s/log(s)$ the Laplace transform of some functions f(x)?

Prove that the intersection of two $\sigma$-algebra is a $\sigma$-algebra

U-sub without changing the bounds of integration

Does adding a perpendicular component to a vector change its angle?

Proof Explanation - $\Bbb R$ is connected, i.e. has no non-trivial clopen subsets

An onto map to a Unit Circle $|z|=1$

$z^5 = -32$ Where I am doing wrong?

If $\dim V = n$, why does any set of $n$ linearly independent vectors span $V$?

Notation on isomorphism showing that a vector space is isomorphic to its double dual.

Notation of: a · b = 0 if a, b are orthogonal.

Functions $f:\mathbb{R}\to\mathbb{R}$ with a local minimum at every point

Bayes' rule for conditional probability

How to find if a sequence is converging or diverging?

Is there an efficient algorithm to generate a symmetry group from a finite set of symmetry operation?

Prove if $I$ is an ideal of $R$ ring, then $(I \cup \{x\})/(x) \cong I$.