We aimed to investigate how two organizational planning difficulties, (i) long access times and (ii) long waiting times, could be analysed systematically.
Our analysis explicitly accounts for three major experimental difficulties: (i) standard measurement error of thermocouples, (ii) uncertainty in thermocouple (probe) positions, an error which is sensitive to temperature gradients, and (iii) an uncontrolled inlet temperature profile.
Here we present a method for robust and efficient parameter estimation which uses two main strategies to surmount the aforementioned difficulties: (i) efficient global optimization to deal with nonconvexity, and (ii) proper regularization methods to handle ill-conditioning.
Despite all the difficulties I will face, it feels good.
Whatever my difficulties, I know I am fortunate.
The main difficulties I have are with shooting older women.
This study clearly points out the causes of the difficulties I mention in my book.
Despite recent difficulties, I know I will always owe Sir Alex Ferguson a huge debt.
Because of financial difficulties, I did not pay my rent for a few months.
"Despite the existing difficulties, I have great pleasure and satisfaction making films there.
As for difficulties, I think there are no difficulties that you can't overcome.
