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{ version = 1.02; (* of derive.p 2007 Mar 13} (* begin module describe.derive *) (* name derive: compute the derivative curve for a xyin synopsis derive(xyin: in, derivep: in, dxyin: out, output: out) files xyin: input file for the xyplo program dxyin: derivative of log of values from the xyin derivep: parameters to control the program. The file must contain the following parameters, one per line: parameterversion: The version number of the program. This allows the user to be warned if an old parameter file is used. (Missing parameters to determine columns, defaults to 1 and 2 for x and y.) output: messages to the user description Compute the derivative of the curve by finding the differences of the y values divided by the differences of the x values. examples documentation see also program for plotting xyin xyplo.p author Thomas Dana Schneider bugs Only columns 1 and 2 can be used for now. The code for chosing arbitrary columns has not been written. technical notes *) (* end module describe.derive *) {This manual page was created by makman 1.45}{created by htmlink 1.62}