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syockit
  • Member for 11 years, 4 months
  • Last seen this week
  • Kawasaki, Kanagawa Prefecture, 日本
11 votes

Proof of Cauchy Riemann Equations in Polar Coordinates

4 votes
Accepted

Matrix form of the FFT

1 vote
Accepted

Reflect a point across a line using affine transform

1 vote

How do you find the limit of $ \lim_{y\to0} \frac{x e^{-x^2/y^2}}{y^2}$

1 vote
Accepted

Building a preconditioned iterative method

1 vote
Accepted

Understanding derivation of the Sherman–Morrison formula

1 vote
Accepted

Why is the additional time added to faster expression in this uniform motion problem?

1 vote
Accepted

4-point-like central finite difference for second partial derivatives

1 vote
Accepted

How Jacobian is defined for the function of a matrix?

1 vote

Finding the orthogonal projection of a vector on the null space of a linear transformation

1 vote

Derivation of a recursive binomial coefficient algorithm

0 votes

How to prove that a combination of 5 parameters is unique

0 votes

How to find a sparse basis of the null space of a large sparse matrix using QR decomposition

0 votes

Disadvantage of Cook-Toom algorithm

0 votes

On the Yale sparse matrix format

0 votes
Accepted

Can we resolve this equation for $ABx = (\mathcal 1 ABx)^{-1}ABx$

0 votes
Accepted

How to minimize sum of matrix-convolutions?

0 votes

Conditions for the decomposition of a discrete convolution kernel in two

0 votes
Accepted

Prove that if the minimizer $\lambda$ of this parabola is feasible in ($*$), we must have $\alpha \in (0, 1/2)$.