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Education: UK
"Oz" wrote in message ... Gordon Couger writes A recurcusive soluouton that goes all the way throught to the other side of the channel calulates the avergate and returns the area and return the area to the incantaion that called where it is summed wiht the area of that incantation and so on until the function fails back to the point it return the area in the stream. It is all done with volitile variables and no house keeping. yes, but you has the x-y data so calculating the area is a simple simpson's rule. NO recursion. As I recall she ask for help and I looked at what she had and solved the problem with out thinking much about it. I saw triangles and rectangles and summed them up. I used recursion because I was in the middle of a hydrology problem that I was solving recursively and it was the method that came to mind. This was something we did one afternoon after coffee. She had a problem and I made it go away. She needed the areas not the best way to find the areas. My job was to make things work not to teach theory. I even got one of those hacks published. Entomology was studying tick response to CO2 at 55 f and using our walk in cooler. They couldn't get the CO2 and air mix right and I wrote a program to pulse width modulate the CO2 valve using printer port of the laptop that the were using to record data with and they published the program along with the paper. Gordon |
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Education: UK | sci.agriculture |