# Tag Info

1 vote

### DSolve returning "Indeterminate"

Fixed in 13.1. The following is screen shot
• 109k
Accepted

### Bivariate Hermite Polynomials

Normal Hermite polynomial can be derived from the generating function $$\sum_{n=0}^\infty \frac{t^n}{n!}H_n(x)=e^{2tx-t^2}.$$ Analogically, bivariate Hermite polynomial are obtained from \sum_{m=0}...
• 16.1k

### Mathematica giving wrong answer for limit of LerchPhi[]

Specifying that k is a positive integer can be done with Assumptions->And[Element[k,Integers],k>0] but that alone does not ...
• 698
Accepted

### Simplification of Elliptic integrals

I replaced all cos^2 with 1 - sin^2 to arrive at ...
• 2,534

Both ...
• 17.1k
Accepted

### How to use FindRoot to solve Hypergeometric1F1 imaginary number solution？

There are countably infinitely many zeros of your $f(x)$, which we can enumerate as follows. For small $x$, your function is approximated by $e^{1/x} x \sinh(1/x)$: ...
• 36.2k

### How to use FindRoot to solve Hypergeometric1F1 imaginary number solution？

If you restrict the domain, then NSolve can find solutions: ...
• 124k
Accepted

### Infinite Integral involving a Bessel function

Not a stand-alone response, just a follow-up to the response by @user64494 that already settles the issue. We'll do an exact integration here. ...

### Infinite Integral involving a Bessel function

If I am not mistaken, the result of ...
• 17.1k

### Series Expansion of EllipticNomeQ differs from older Mathematica Version

EDIT: For revised question: With v13.0.1 or 12.0.0 I get the same result as shown below. I don't have access to earlier versions. ...
• 120k
1 vote

• 36.2k