CompuTATION time revisited

I must have been tired on Saturday. What the heck is computer time anyway? The time your kids are allowed at the computer each day? Anyway, I was wrong about the necessary time to solve my problem on a coarser grid; it would take my computer something like 20 hours to complete the task if left alone (I tend to surf the internet, reading blogs for example, while my computer computes, slowing it down). 20 hours is unacceptable. I found out, however, that my solutions were linear and that I only needed to solve the problem numerically in four nodes. That’s done less than 5 seconds! That’s what I call progress.


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