changelog of the NISP Scilab Toolbox NISP (2.3 - March 2011) * Updated manual: filled linear model. * Fixed ticket #252: The nisp_exppdf unit test did not pass on Linux. * Fixed ticket #254: The ticket_209 test does not pass on Linux. * Fixed ticket #256 : The polychaos_getquantwilks test in polychaos failed. * Fixed ticket #255: The polychaos_getquantile made the polychaos unit test fail. * Fixed ticket #253: The polychaos1 unit test did not pass on Linux (getgroupind). * Update manual: filled first part of ishigami analysis. * Update manual: computed the variance of the ishigami model. * Update manual: moved light png figures into pdf. * Added comments in the demos. * Vectorized all scripts. * Added the ishigami demo with Sobol method. * Update manual: added ishigami analysis with Sobol method. * Created nisp_cov and nisp_corrcoef. * Updated manual: added a section on the LHS samplings. * Added demos on the LHS designs. * Simplified the demos for the setrandvar samplings. * Updated manual: added a separate note on performance. * Updated manual: filled decomposition of the variance. * Updated manual: filled sensitivity analysis of Ishigami. * Updated demos: computed exact sensitivity indices of Ishigami. * Added nisp_sobolsa, the Sobol method for sensitivity analysis. * Updated manual: filled numerical results for Ishigami. * Updated manual: partial fill for Sobol method of SA. * Updated manual: filled particular case for product. * Added 3 test functions and their exact SI: Sum, Product, Ishigami. * Updated the tests, the demos according to the new functions. * Improved robustness of the test functions. * Created a bruteforce Sensitivity Indices function. * Disabled (pragma) the optimization for the Sobol sequence: failed to compile on some Windows. * Split the tests for polychaos. * Fixed ticket #237: The unit test dataset for erfcinv was wrong. * Fixed ticket #249: The parameter b of a normal variable in randvar was unclear. * Improved robustness and flexibility of lognormal and exponential PDF, CDF and Inv. * Fixed ticket #228: The output arguments of many methods of polychaos were undocumented. * Created separated unit test directory for support functions. * Created unit tests for nisp_buildlhs, nisp_corrcoef, nisp_cov. * Fixed bug in nisp_corrcoef. * Organized demos. * Updated the Axial Stressed Beam demo.