Mathematics Educators
Hans Lundmark's user avatar
Hans Lundmark's user avatar
Hans Lundmark's user avatar
Hans Lundmark
  • Member for 9 years
  • Last seen more than a month ago
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380
The Basel problem
184
How do I get the square root of a complex number?
121
Derivative of sigmoid function $\sigma (x) = \frac{1}{1+e^{-x}}$
116
An Introduction to Tensors
87
How can we sum up $\sin$ and $\cos$ series when the angles are in arithmetic progression?

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