
JNL, a Numerical Library for JavaTM
Version 1.0f
Last updated: 6/26/97
Change Tracking for the JNL
New in Revision F
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Made code changes to eliminate possible non-thread-safe situations.
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Changed default tolerance used by SVD routines.
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Replaced element-by-element copies with system array copies where possible.
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Removed unnecessary initialization of arrays where possible.
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Improved performance of class ComplexSVD.
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Moved documentation directory to same level as Classes directory.
New in Revision E
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Added determinant method for classes DoubleLU and ComplexLU.
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Added transpose method for classes DoubleMatrix and ComplexMatrix.
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The "final" restriction on all public classes was removed.
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Fixed bug in condition number method for classes DoubleLU and ComplexLU.
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Added classes DoubleVector, ComplexVector, DoubleCholesky, and ComplexCholesky to the JNL.
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Added methods for matrix norms, dot product, and max/min to the DoubleMatrix and ComplexMatrix classes.
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Added generalized inverse to classes DoubleSVD and ComplexSVD.
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Removed restriction of square matrices only from classes DoubleQR and ComplexQR.
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Added solve method to classes DoubleQR and ComplexQR.
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Added additional rank method to classes DoubleQR and ComplexQR.
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Overloaded the solve method in classes DoubleMatrix and ComplexMatrix to handle Least_Squares problems.
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Renamed "double Info" and "double rank" methods to "int info" and "int rank".
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Fixed a bug which affected inverseFCdf, inverseTCdf, tCdf, skew, and kurtosis for class Statistics.
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Added more information to documentation for all classes.
New in Revision D
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Excel Numerics
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Added the list of interesting Excel functions for consideration in the JNL.
New in Revision C
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Major implementation changes.
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Not adding new Classes for vector and matrix but using arrays instead.
This limits the infix overloading to arrays.
New in Revision B
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New Website Layout
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Minor changes to the Specification
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Added API Documentation for Complex and Special Function Classes
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Added SmartTable: ExcelTM to Java
Applet Tool
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Added SmartTable Numerics
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Consolidated Comments from Revision A
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Added a Forum for future discussions
Comments to Java Jim

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