Bessel function. Determining the roots.

How do I solve the following problem? Determine the first six roots Bi Jn (B) = 0 for n = 1,2,3 and 4

[Jan]

This sounds like a homework question. What have you tried so far? What specific Matlab problem do you have?

Answer 1

[David Hill]

Looks like file exchange has a good zero finder for Bessel functions.

https://www.mathworks.com/matlabcentral/fileexchange/48403-bessel-zero-solver