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onepound
  • Member for 9 years, 11 months
  • Last seen more than a week ago
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4 votes
3 answers
210 views

Finding closed or numeric value for $\int_0^{\infty } \frac{x \csc (a x)}{x^2+b^2} \, dx$

3 votes
4 answers
146 views

How to get mathematica to work out residues of $f(z)=-\left(\frac{z-1}{z+1}\right)^2\frac{2n/z}{z^{2n}-1}$?

2 votes
3 answers
184 views

add columns of list {a0,b0} to columns of list {{a0,b0} ,{a1,b1} ,{a2,b2} ...{ax,bx} } [closed]

1 vote
1 answer
160 views

How can I get mathematica to prove $\sum_{k=0}^{n-1}\tan\left(\theta+\frac{k\pi}{n}\right)=−n\cot\left(\frac{n\pi}{2}+n\theta\right)$?

1 vote
1 answer
244 views

How does one use NSum within NIntegrate properly?

1 vote
1 answer
162 views

Is it feasible to curve fit to a staircase function? [closed]

1 vote
2 answers
2k views

Fourier series for rectangular wave incorrect, why?

1 vote
1 answer
111 views

Number-theoretic function using Table

0 votes
1 answer
152 views

Find square numbers in product

0 votes
2 answers
67 views

Numerical output using Select and FactorInteger

0 votes
2 answers
289 views

Trouble returning value from a function

0 votes
0 answers
74 views

Is there a function to convert a trigonmetric expression to an algebraic expression suitable for ComplexPlot?

0 votes
1 answer
97 views

How to compute the residue of $f(z)=\frac{n/z}{z^{n}-1}$ to be $-n$ at $z=0$? [duplicate]