DESCRIPTION. Here is a list of all the functions included in this module: gsl_histogram_alloc($n) – This function allocates memory for a. GNU Scientific Library with CMake build support. Contribute to ampl/gsl development by creating an account on GitHub. It’s pretty easy, just use this tutorial to find and install GSL package. about how to draw a histogram with Gnuplot on Stackoverflow: Histogram using gnuplot?.

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I guarantee the system call numbers have changed and almost certainly calling conventions are different. This function reads into the histogram h from the stream stream in histoggram format. The distribution of events within each bin is assumed to be uniform.

Here is a diagram of the correspondence between ranges and bins on the number-line for:. Both one and two-dimensional histograms are supported. In this equation is the number of events in the bin which containsis the width of the bin and is the total number of events. Using it you even do not need to compile the code, however you do need to read a bit of documentation.

Allowing for statistical error, the height of each bin represents the probability of an event where the value of falls in the range of that bin. The data is assumed to have been written in the native binary format on the same architecture. The histogram h must be preallocated with the correct length since the function uses the size of h to determine how many numbers to read. Note that the size of the range array should be defined to be one element bigger than the number of bins.

This function returns the mean of the histogrammed variable, where the histogram is regarded as a probability distribution. This function reads into the histogram h from the open stream stream in binary format.

In the case where several bins contain the same maximum value the smallest index is returned. The algorithm used to compute the sample is given by the following formula. Each line contains the lower and upper limit of the range of the bins and the value of the bin itself. Mathematically this means that the bins are defined by the following inequality. This function sets the ranges of the existing histogram h using the array range of size size.

This is the number of histogram bins used to approximate the probability distribution function in the x and y directions.

## gsl-histogram(1) – Linux man page

The counts for each hiatogram are stored in an array of n elements pointed to by bin. Header states merely the interface histtogram is exposed by this library. This function returns the index of the bin containing the maximum value. The bins can use arbitrary sets of ranges uniformly spaced bins are the default.

So you would need the Apple-provided ld. This function returns a pointer to a newly created histogram which is an exact copy of the histogram src. The range array should contain the desired bin limits. Sign up using Email and Password.

It’s been a while. This function frees the histogrm probability distribution function p and all of the memory associated with it. This function resets all histovram bins of the histogram h to zero. These could be histogrammed as the joint distribution. Sign up or log in Sign up using Google. The ranges of the bins are stored in an array of elements pointed to by range. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

You would also need to provide the Apple-provided libc on the Linux system. The functions return 0 to indicate success. The lower gel are inclusive i.

The search includes an optimization for histograms with uniform ranges, and will return the correct bin immediately in this case. This function frees the probability distribution function p and all of the memory associated with it. Sign up using Facebook. This function subtracts the contents of the bins in histogram h2 from the corresponding bins of histogram h1i. The accuracy of the result is limited by the bin width. Using a higher resolution grid we can see the original underlying histogram and also the statistical fluctuations caused by the events being uniformly distributed over the area of the original bins.

The simplest way to use a two dimensional histogram is to record two-dimensional position information. Each line contains the lower and upper limits of the bin and the contents of the bin. This function returns the mean of the histogrammed y variable, where the histogram is regarded as a probability distribution. Note that any samples which fall on the upper sides of the histogram are excluded.

### histogram function in ansi C program: GSL and/or others? – Stack Overflow

Email Required, but never shown. This function sets the ranges of the existing histogram h to cover the range xmin to xmax uniformly.

It would be easier to run: In this picture the values of the range array are denoted by. Then a few sample points are added to the histogram, at 0. Since the upper limits of the each bin are the lower limits of the neighboring bins there is duplication of these values but this allows the histogram gistogram be manipulated with line-oriented tools.

The histogram h must be preallocated with the correct size since the function uses the number of x and y bins in h to determine how many bytes to read.

This function resets all the bins in the histogram h to zero. This function sets the ranges of the existing histogram h using the arrays xrange and yrange of size xsize and ysize respectively.