"useful solutions" is correct and usable in written English.
You can use it when you are describing ways to help solve a problem or issue. For example, "We need to find some useful solutions to this environmental crisis."
Unlike defense procurement, this problem area may have too many degrees of freedom and too few immutable laws and principles to guide us to some useful solutions.
Genetic algorithm (GA) has been widely used to generate useful solutions to optimization and search problems such as pattern analysis, recognition, classification and regression.
This heuristic is routinely used to generate useful solutions to optimization and search problems.
Luckily, this gave us rapid, real time agility that allowed us to quickly produce results and feedback continuously, working around and within limited technologies - discovering quickly what worked and what didn't and guiding us to realistic, useful solutions.
The widely used PBAD derivative expression systems have been verified as useful solutions for their stringentness in toxic protein production in E. coli.
The present work proposes for policy and decision-makers to use in their approach to land use and water management issues which will help them reach useful solutions within sustainable development approaches.
One day, chatbots will be widely used, and a useful solution to a number of everyday problems.
"More and more of the major handset manufacturers are viewing Android as a useful solution and using it in their smartphones".
It was great working with Corning on a project where it was made clear that they were actively interested in the outcome of our work, and were invested in us proposing a useful solution.
Moreover, the spectral analysis using FFT transforms can be a useful solution to ensure that the resistance variation indicates to broken rotor bars fault.
The pattern in design patterns means a useful solution has been proven that can be used to solve the recurring problems under a special scenario.
