7
votes
Accepted
How to code a sum in Mathematica and how to solve it?
Let's take a short example with $s=3$.
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- 7,612
6
votes
How to code a sum in Mathematica and how to solve it?
This can of course be formulated as a linear-algebraic problem. Using Domen's example:
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5
votes
Accepted
Code for multiple sums
I found the original functions confusingly written (e.g. the nested If[]s), so I rewrote to the following:
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4
votes
1
vote
Accepted
Accelerating sum over permutations of matrix elements
Intro. Given a matrix mat, the matrices of the 2nd, 3rd, 4th, ... tensor power of mat are
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- 5,473
1
vote
NDSolve issue with summation
Not an answer; too long for a comment; here's some preliminary mathematical work.
Let's take a function $f(x)$ and compute $F_a(x)=\sum_{n=0}^{\infty} a^n \frac{d^n f(x)}{dx^n}$. Starting with the ...
- 36.9k
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