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Hi there, I'm having myself a hard time writing an algorithm for finding patterns within a given melody. In a vector I'd like to find ALL sequences that occur at least twice, without having to check all possible patterns via pattern matching. I finally found a solution in a style that I'm used from C, i.e. calling one function from within another. GNU R doesn't seem to like that,

Hello, friends! I vahe a problem using prototype1.4 in IE6. I am trying to create bandwidth speed test tool. The idea is to download one by one X times (i.e. 10) one and the same ASCII-file with size = 1MB. I would like to measure time and speed of each run, to display the intermediate results after aech run and finally after all X rund display total results as average of all runs. But when I

Hi Reuben, I am puzzled to note that the gradient check in "optimx" does not work for you. Can you send me a reproducible example so that I can figure this out? John - I think the best solution for now is to issue a "warning" rather than an error message, when the numerical gradient is not sufficiently close to the user-specified gradient. Best, Ravi.