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What if Portal works across universities!!!!🤣
Then maybe add some communication features (ex: chat room for each class that work across universities), so that for example: All student who studies …
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One of the issues with Fourier is over sampling in the lower frequency domains.
An alternative might be wavelets, which would handle over sampling in the low frequency area, and would give you the ch…
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### **A Taste of Linear Logic** by Philip Wadler
**Tags**: linear logic, explicit curry-howard
Traditional logic has close ties to computing in general and functional languages in particular. The …
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Mens jeg så på [dette](https://github.com/realfagstermer/realfagstermer/issues/1330), jeg så litt på termer om multivariat dataanalyse. Det er to som er brukt litt interchangeably på dok:
![image](ht…
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See previous discussion here: https://github.com/drym-org/qi/pull/61
Here are some examples and rules that I believe useful: (from section 6.5.1 of _Category Theory for Computing Science_)
```rack…
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Symbolic expressions have two methods to obtain series expansions. The `taylor()` method is a wrapper around maxima's `taylor` command. The result of this is not always a Taylor series, which leads …
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This appears to be a maxima related error.
```
integrate(1/(a-b),a)
```
=> log(a-b), which is correct
```
integrate(1/(a-c*b),a)
```
=> log(c*b-a), which is *incorrect*.
```
Sympy.integrate(1/(…
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1. 已经google过,除本文之外没有自由定理的解释
2. 文中提到 [Wadler 关于此主题的论文](http://ttic.uchicago.edu/~dreyer/course/papers/wadler.pdf)
> 论文标题:theorems for free
> 摘要:From the type of a polymorphic function we can derive …
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Sage interfaces its Heaviside function with a Maxima function named `hstep` which seems to implement the same function. However, there is no documentation on it, and it is not supported in Runge-Kut…
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Trying to simplify symbolic expressions, I just ran into the following issue (naturally, this is simplified from what I was working with):
```
sage: ((2^x)^2/((2^(x+1))^2*binomial(2*x,x))).full_sim…