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The answer to d) i) is in the other thread.
It is working.
WorkingPrecision did not work?
Ah, there it is. I found the AccuracyGoal and PrecisionGoal, but they didn't help.
Easy, use WorkingPrecision> some number.
Hi bobbym
Here is more:
I get 0.66666657420034.
Set it 25. and rombergtol: 1.e6, what happens?
It is 11.
There should be a global variable called rombergit. What is its value?
It is working and giving out: 0.66653268137515
Try adjusting rombergtol: 1.e3
It says "Romberg failed to converge".
Hmmm? Change that exp(x) to sqrt(x) and change f(0,50 ) to f(0,1) 