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Joshua
  • Member for 10 years, 3 months
  • Last seen more than 1 year ago
6 votes
2 answers
1k views

Can the distance between 2 non-empty sets be infinite?

4 votes
3 answers
946 views

What is a smooth curve in $\mathbb{R}^2$ intuitively?

3 votes
1 answer
536 views

Why is the partial derivative of a surface a curve?

3 votes
1 answer
8k views

Trouble proving that $\dim{(W_1+W_2)}=\dim{(W_1)}+\dim{(W_2)}-\dim{(W_1\cap W_2)}$

3 votes
3 answers
343 views

Calculating the integral $\int_0^1 \frac{dx}{\sqrt{-\ln(x)}}$ using Euler integrals

2 votes
0 answers
68 views

Parametrization of surfaces for vector integration

2 votes
1 answer
54 views

Span of a set of k points in $\mathbb{R}$

2 votes
4 answers
7k views

What is an irrotational vector field intuitively?

2 votes
0 answers
369 views

Confusion with conclusion drawn from alternative to Stoke's Theorem

2 votes
2 answers
2k views

Converting a volume-integral to a surface integral using Gauss' theorem

1 vote
1 answer
47 views

Finding the limit of a function with sines and cosines by using the taylor expansion

1 vote
1 answer
33 views

Looking for clarification for a proof that relates injectivity and surjectivity with linear(in)dependence and generating sets

1 vote
1 answer
56 views

Integration of a vector function through a cilinder

1 vote
2 answers
2k views

Calculating $\iiint_K \sqrt{x^2+y^2+z^2}\,dx\,dy\,dz$.

1 vote
0 answers
19 views

Are there set rules you can apply to efficiently get an equation in Matrix-form from a summed equation?

1 vote
1 answer
224 views

Finding the surface integral of a scalar field through an implicitly defined surface

1 vote
1 answer
276 views

How to find the curl, divergence, gradient and laplacian of functions without calculating the individual indices

1 vote
3 answers
161 views

Checking the differentiability of piece-wise defined functions

1 vote
2 answers
76 views

Computing $\Sigma_{n\ge3}^\infty\frac{n}{(n^2-n-1).\ln{n}.(\ln{(\ln{n})})^a}$

0 votes
2 answers
5k views

Interval of convergence for a power series with $x^{2n}$

0 votes
1 answer
43 views

Finding the solution to a differential equation using an integratring factor

0 votes
1 answer
164 views

Given the parallel and perpendicular component of a vector in terms of another vector, how do you determine the tensor that connects both?

0 votes
1 answer
27 views

In symmetry group theory, what makes 2 rotational axes perpendicular?

0 votes
2 answers
594 views

Is the intersection of an infinite family of subspaces of $V$ itself a subspace of $V$?

0 votes
1 answer
439 views

How to find the boundaries of integration for e.g. triple integrations?

0 votes
1 answer
224 views

Finding the limit of complex functions

0 votes
1 answer
3k views

Problems while trying to prove the Contracted Epsilon Identity. (Levi-Civita symbol)

0 votes
2 answers
104 views

How do you keep track of what vectors nabla ($\nabla$) should be working in on?

0 votes
1 answer
121 views

Trouble finding the equation of the inverse of the hyperbolic tangent