From 37cd181b4cf0d6c423cc1253a6a21fcff9402546 Mon Sep 17 00:00:00 2001 From: Christoph Ruegg Date: Sun, 13 Apr 2014 20:36:14 +0200 Subject: [PATCH] Update contributors, release notes --- CONTRIBUTORS.md | 1 + RELEASENOTES.md | 18 ++++++++++++++---- 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md index adb0a143..165a5fbc 100644 --- a/CONTRIBUTORS.md +++ b/CONTRIBUTORS.md @@ -24,6 +24,7 @@ Feel free to add a link to your personal site/blog and/or twitter handle.* - Hani Medhat - manyue - Alexander Täschner (taschna) +- David Prince - Andriy Bratiychuk (Abratiychuk) - Jack Pappas - Artyom Baranovskiy diff --git a/RELEASENOTES.md b/RELEASENOTES.md index f5d3f6bf..5cb58025 100644 --- a/RELEASENOTES.md +++ b/RELEASENOTES.md @@ -82,6 +82,10 @@ Changes as of now: - BUG: Fix bug in routine to copy a vector into a sub-row of a matrix. - Both canonical modulus and remainder operations on matrices and vectors. - Matrix kernel (null space) and range (column space) +- Storage-aware non-inplace functional map on vectors and matrices +- Pointwise power, exponential and natural logarithm for vectors and matrices. +- Matrix positive-integer power +- Matrix RemoveRow/RemoveColumn; more efficient InsertRow/InsertColumn ### Linear Algebra MKL Native Provider @@ -97,16 +101,20 @@ Changes as of now: - Pearson and Spearman correlation matrix of a set of arrays. - Spearman ranked correlation optimized (4x faster on 100k set) -- Single-pass `MeanVariance` method (as used often together). +- Skewness and PopulationSkewness; Kurtosis and PopulationKurtosis. +- Single-pass `MeanVariance` and `MeanStandardDeviation` methods (often used together). - Some overloads for single-precision values. - Add `Ranks`, `QuantileRank` and `EmpiricalCDF`. - F# module for higher order functions. +- Median direct implementation (instead of R8-compatible 0.5-quantile) +- New RunningStatistics that can be updated and merged +- BUG: DescriptiveStatistics must return NaN if not enough data for a specific statistic. ### Probability Distributions - Direct static distributions functions (PDF, CDF, sometimes also InvCDF). -- Direct static sample functions. -- New Trigangular distributionb *~Superbest* +- Direct static sample functions, including such to fill an existing array in one call. +- New Trigangular distribution *~Superbest, David Prince* - Add InvCDF to Gamma, Student-T, FisherSnedecor (F), and Beta distributions. - Major API cleanup, including xml docs - Xml doc and ToString now use well-known symbols for the parameters. @@ -119,6 +127,7 @@ Changes as of now: - BUG: Fix hyper-geometric CDF semantics, clarify distribution parameters. - BUG: Fix Zipf CDF at x=1. - BUG: Fix Geometric distribution sampling. +- BUG: Fix Categorical distribution properties. *~David Prince* ### Random Number Generators @@ -189,7 +198,8 @@ Changes as of now: - Evaluate: routine to evaluate complex polynomials, or real polynomials at a complex point. - CommonParallel now also supported in .Net 3.5 and portable profiles; TaskScheduler can be replaced with custom implementation *~Thomas Ibel* - F# BigRational type cleaned up and optimized *~Jack Pappas* -- F# BigRational IsZero, IsOne, IsInteger, Reciprocal, Power operator support (**), create from fraction. +- F# BigRational IsZero, IsOne, IsInteger, create from fraction. +- F# BigRational Reciprocal, Power operator support (**), support for negative integer powers. - F# functions now use the clearer `Func` suffix instead of just `F` if they return a function. - Precision: reworked, now much more consistent. **If you use `AlmostEqual` with numbers-between/ULP semantics, please do review your code to make sure you're still using the expected variant!**. If you use the decimal-places semantics, you may need to decrement the digits argument to get the same behavior as before. - Much less null checks, our code generally only throws `ArgumentNullException` if an unexpected null argument would *not* have caused an immediate `NullReferenceException`.