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Tpofofn's user avatar
Tpofofn's user avatar
Tpofofn
  • Member for 11 years, 11 months
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32 votes

Volumes of n-balls: what is so special about n=5?

26 votes
Accepted

Is Fourier series an "inverse" of Taylor series?

22 votes

Why determinant of a 2 by 2 matrix is the area of a parallelogram?

13 votes

What is the intuitive meaning of the basis of a vector space and the span?

10 votes
Accepted

Compute Angle Between Quaternions (in Matlab)

10 votes

A geometric look at $\frac{1}{a}+\frac{1}{b}=\frac{1}{c}$?

10 votes

What's an intuitive way to think about the determinant?

9 votes

Why is the volume of a sphere $\frac{4}{3}\pi r^3$?

8 votes

How to get Euler angles with respect to initial Euler angle

8 votes
Accepted

Why is the line between two points called the line of the "secant"?

8 votes

What is the use of the Dot Product of two vectors?

7 votes

Find the matrix given the determinant

6 votes

Why can't you flatten a sphere?

6 votes

How can a structure have infinite length and infinite surface area, but have finite volume?

5 votes

FFT gives ghost frequency

5 votes

What's the point of orthogonal diagonalisation?

5 votes

How do you solve the area of a trapezoid using diagonals

5 votes
Accepted

Fuzzy logic vs probability

4 votes

Matrix notation in handwriting

3 votes
Accepted

Simple physics problem: What is the mass of an object?

3 votes
Accepted

Determine the largest power of 10 that is a factor of $50!\,$?

3 votes
Accepted

Runge-Kutta 4 for systems of equations

3 votes
Accepted

property of a space

3 votes
Accepted

FFT Characteristics?

3 votes

Visual Ways to Remember Cross products of Unit vectors? Cross-product in $\mathbb F^3$?

3 votes

Is there a third dimension of numbers?

3 votes

What are the polar coordinates of the origin?

3 votes

Help a newbie understand Linear Algebraic terms

2 votes

Is there any way to represent an imaginary number?

2 votes
Accepted

Matrix properties after multiplication.

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