QtiPlot下载（数据分析和科学绘图软件）（更新）

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数据分析和科学绘图软件
QtiPlot是一个开源的数据分析和科学绘图软件。


data analysis and scientific plotting

Qtiplot is a fully fledged plotting software similar to the OriginLab Origin software (See http://www.originlab.com for more information about Origin).

It can make two and three dimensional plots of publication quality, both from datasets and functions. It can do non-linear fitting and multi-peak fitting.

Some Features:

* 3D Plots.
* Publication quality 2D plots: Error Bars, Multilayer Plots, Bar Plots,
   Pie Plots, Vector Plots, Contour and Image Plots.
* Statistical Plots: Box/Whiskers Diagramms, Histograms.
* Easy export of plots to vector formats (EPS, PS, PDF) and to other various
   image formats (BMP, JPG, PNG, TIFF).
* Powerful and versatile spreadsheets and calculations in column-logic.
* Easy ASCII-Import/Export of single or multiple files.
* Linear and non-linear curve fitting with weighting and estimation of
   statistical errors of the fit-parameters, using Levenberg-Marquardt,
   Least-Squares Algorithm or Nelder-Mead simplex minimization algorithm.
* Multi-peak fitting with Gaussian and Lorentzian peak profiles.
* Data analysis: statistics, sorting, FFT, data smoothing (Savitzky-Golay,
   FFT smoothing, and moving window average), data filtering (low/high/band
   pass and band block filters), convolution/deconvolution, correlation,
   interpolation, numerical integration/differentiation.
* Matrices optimized for 3D plotting.
* Templates support: all the settings for plots (2D/3D), tables and matrixes
   can be saved to ASCII files and restored later on for a fast editing
   process.
* Project files based on folders, a powerful project explorer with extensive
   built-in features: drag and drop, searching facilities.

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张塍

又多一个好软件啦，收藏。

52520

学好数理化。

xfmkqy

谢谢啦，好喜欢。