If you compare my remarks in
Do partitions of unity exist if we impose additional conditions on the derivatives?
and
you'll see that the problem and my request were exactly the same in nature. In the first case, the OP cooperated and we had a happy ending, while in the second case he didn't and we are still at square one.
Questions:
Did you have the same experience?
What is preventing the people from asking exactly what they need? Are they afraid that if they reveal too much, I'll steal their work and publish it as my own, or what?. (By the way, if there are some good (able to understand other people's ideas and present them well) thieves out there, I always have some yummy stuff for you ;)).
Should my frequent request "Ask exactly what you need" be added to the "How to ask a good question" article?