The phrase "at a particular problem" is correct and usable in written English.
It can be used when discussing a specific issue or challenge that requires attention or analysis.
Example: "The team focused their efforts at a particular problem that had been hindering progress on the project."
Alternatives: "regarding a specific issue" or "concerning a certain challenge".
We'll look at a particular problem, as I mentioned, of peak finding.
"A group of Welsh and other MPs have looked at a particular problem of pest control in upland areas of Wales and other parts of the country.
And then we're going to dive right in and look at a particular problem of peak finding both the one dimensional version and a two dimensional version and talk about algorithms to solve this peak finding problem both varieties of it.
Philosophical Research that provides a conceptual way of looking at a particular problem or field.
In this last context the US has fixed on the recently commissioned underground uranium enrichment facility at Fordo as a particular problem.
Across all organisations the problems of finding paper based medical records at short notice was described as a particular problem for urgent appointments, re-bookings and waiting list initiative clinics.
It could look for the closest field service tech or it could look for one that is most skilled at solving a particular problem.
"They're good at solving a particular problem.
This is indeed a crucial piece of information, indicating what potential configurations can be alternatives to the best one, and which configurations should not be used at all for a particular problem.
Defending was always a problem, defending at set pieces a particular problem, and when Martínez unwisely claimed not to be interested in keeping clean sheets, preferring to win matches by scoring goals at the other end, he effectively painted himself into a corner from which he is still trying to escape.
For us at Noma it was a particular problem.
