Index (rho mu - A Java library of randomization enhancements and other math utilities)

A C D E J L M N O P R S T V Z
All Classes All Packages

A

arrayMask(int) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates an "array mask" of a specified length, where an "array mask" is an array of boolean values of the same length as another array.
arrayMask(int, double) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates an "array mask" of a specified length, where an "array mask" is an array of boolean values of the same length as another array.
arrayMask(int, double, Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates an "array mask" of a specified length, where an "array mask" is an array of boolean values of the same length as another array.
arrayMask(int, double, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates an "array mask" of a specified length, where an "array mask" is an array of boolean values of the same length as another array.
arrayMask(int, int) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates an "array mask" of a specified length and specified number of true values, where an "array mask" is an array of boolean values of the same length as another array.
arrayMask(int, int, Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates an "array mask" of a specified length and specified number of true values, where an "array mask" is an array of boolean values of the same length as another array.
arrayMask(int, int, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates an "array mask" of a specified length and specified number of true values, where an "array mask" is an array of boolean values of the same length as another array.
arrayMask(int, Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates an "array mask" of a specified length, where an "array mask" is an array of boolean values of the same length as another array.
arrayMask(int, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates an "array mask" of a specified length, where an "array mask" is an array of boolean values of the same length as another array.

C

compute() - Method in class org.cicirello.math.la.JacobiDiagonalization: Computes the eigenvalues and eigenvectors using Jacobi Iteration.
compute(double) - Method in class org.cicirello.math.la.JacobiDiagonalization: Computes the eigenvalues and eigenvectors using Jacobi Iteration.
compute(double, int) - Method in class org.cicirello.math.la.JacobiDiagonalization: Computes the eigenvalues and eigenvectors using Jacobi Iteration.
compute(int) - Method in class org.cicirello.math.la.JacobiDiagonalization: Computes the eigenvalues and eigenvectors using Jacobi Iteration.
correlation(double[], double[]) - Static method in class org.cicirello.math.stats.Statistics: Computes correlation coefficient for a pair of random variables.
correlation(int[], int[]) - Static method in class org.cicirello.math.stats.Statistics: Computes correlation coefficient for a pair of random variables.
correlationMatrix(double[][]) - Static method in class org.cicirello.math.stats.Statistics: Computes correlation matrix.
correlationMatrix(int[][]) - Static method in class org.cicirello.math.stats.Statistics: Computes correlation matrix.
covariance(double[], double[]) - Static method in class org.cicirello.math.stats.Statistics: Computes covariance for a pair of random variables.
covariance(int[], int[]) - Static method in class org.cicirello.math.stats.Statistics: Computes covariance for a pair of random variables.

D

difference(double[][], double[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A - B.
difference(double[][], double[][], double[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A - B.
difference(int[][], int[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A - B.
difference(int[][], int[][], int[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A - B.

E

eigenvalues() - Method in class org.cicirello.math.la.JacobiDiagonalization: Gets the computed eigenvalues.
eigenvectors() - Method in class org.cicirello.math.la.JacobiDiagonalization: Gets the computed eigenvectors.
EPSILON - Static variable in class org.cicirello.math.la.JacobiDiagonalization: Default precision level for convergence check.

J

JacobiDiagonalization - Class in org.cicirello.math.la: This class uses Jacobi iteration to compute the eigenvalues and eigenvectors of a symmetric matrix, provided as a 2-D Java array.
JacobiDiagonalization(double[][]) - Constructor for class org.cicirello.math.la.JacobiDiagonalization: Initializes a Jacobi iteration for finding eigenvalues and eigenvectors of a matrix.
JacobiDiagonalization(int[][]) - Constructor for class org.cicirello.math.la.JacobiDiagonalization: Initializes a Jacobi iteration for finding eigenvalues and eigenvectors of a matrix.

L

logGamma(double) - Static method in class org.cicirello.math.MathFunctions: Implementation of the natural log of the absolute value of the gamma function.

M

MathFunctions - Class in org.cicirello.math: MathFunctions is a class of utility methods that implement various mathematical functions.
MatrixOps - Class in org.cicirello.math.la: Utility class of basic linear algebra matrix operations, where matrices are represented as 2-D Java arrays.
MAX_ITERATIONS - Static variable in class org.cicirello.math.la.JacobiDiagonalization: Default max number of iterations.
mean(double[]) - Static method in class org.cicirello.math.stats.Statistics: Computes mean of a dataset.
mean(int[]) - Static method in class org.cicirello.math.stats.Statistics: Computes mean of a dataset.

N

nextBiasedInt(int) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random integer in the interval: [0, bound).
nextBiasedInt(int, Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random integer in the interval: [0, bound).
nextBiasedInt(int, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random integer in the interval: [0, bound).
nextBinomial(int, double) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a pseudorandom integer from a binomial distribution.
nextBinomial(int, double, Random) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a pseudorandom integer from a binomial distribution.
nextBinomial(int, double, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a pseudorandom integer from a binomial distribution.
nextCauchy(double) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a pseudorandom number from a Cauchy distribution with median 0 and chosen scale parameter.
nextCauchy(double, double) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a pseudorandom number from a Cauchy distribution.
nextCauchy(double, double, Random) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a pseudorandom number from a Cauchy distribution.
nextCauchy(double, double, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a pseudorandom number from a Cauchy distribution.
nextCauchy(double, Random) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a pseudorandom number from a Cauchy distribution with median 0 and chosen scale parameter.
nextCauchy(double, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a pseudorandom number from a Cauchy distribution with median 0 and chosen scale parameter.
nextGaussian() - Static method in class org.cicirello.math.rand.PolarGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation 1.
nextGaussian() - Static method in class org.cicirello.math.rand.RandomVariates: Generates a random number from a Gaussian distribution with mean 0 and standard deviation 1.
nextGaussian() - Static method in class org.cicirello.math.rand.ZigguratGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation 1.
nextGaussian(double) - Static method in class org.cicirello.math.rand.PolarGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation, sigma, or your choosing.
nextGaussian(double) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a random number from a Gaussian distribution with mean 0 and standard deviation, sigma, of your choosing.
nextGaussian(double) - Static method in class org.cicirello.math.rand.ZigguratGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation, sigma, of your choosing.
nextGaussian(double, Random) - Static method in class org.cicirello.math.rand.PolarGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation, sigma, or your choosing.
nextGaussian(double, Random) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a random number from a Gaussian distribution with mean 0 and standard deviation, sigma, of your choosing.
nextGaussian(double, Random) - Static method in class org.cicirello.math.rand.ZigguratGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation, sigma, of your choosing.
nextGaussian(double, SplittableRandom) - Static method in class org.cicirello.math.rand.PolarGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation, sigma, or your choosing.
nextGaussian(double, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a random number from a Gaussian distribution with mean 0 and standard deviation, sigma, of your choosing.
nextGaussian(double, SplittableRandom) - Static method in class org.cicirello.math.rand.ZigguratGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation, sigma, of your choosing.
nextGaussian(Random) - Static method in class org.cicirello.math.rand.PolarGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation 1.
nextGaussian(Random) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a random number from a Gaussian distribution with mean 0 and standard deviation 1.
nextGaussian(Random) - Static method in class org.cicirello.math.rand.ZigguratGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation 1.
nextGaussian(SplittableRandom) - Static method in class org.cicirello.math.rand.PolarGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation 1.
nextGaussian(SplittableRandom) - Static method in class org.cicirello.math.rand.RandomVariates: Generates a random number from a Gaussian distribution with mean 0 and standard deviation 1.
nextGaussian(SplittableRandom) - Static method in class org.cicirello.math.rand.ZigguratGaussian: Generates a random number from a Gaussian distribution with mean 0 and standard deviation 1.
nextInt(int) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random integer uniformly distributed in the interval: [0, bound).
nextInt(int, Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random integer uniformly distributed in the interval: [0, bound).
nextInt(int, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random integer uniformly distributed in the interval: [0, bound).
nextIntPair(int, int[]) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 2 integers, without replacement, from the set of integers in the interval [0, n).
nextIntPair(int, int[], Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 2 integers, without replacement, from the set of integers in the interval [0, n).
nextIntPair(int, int[], SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 2 integers, without replacement, from the set of integers in the interval [0, n).
nextIntTriple(int, int[]) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, without replacement, from the set of integers in the interval [0, n).
nextIntTriple(int, int[], boolean) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, without replacement, from the set of integers in the interval [0, n).
nextIntTriple(int, int[], boolean, Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, without replacement, from the set of integers in the interval [0, n).
nextIntTriple(int, int[], boolean, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, without replacement, from the set of integers in the interval [0, n).
nextIntTriple(int, int[], Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, without replacement, from the set of integers in the interval [0, n).
nextIntTriple(int, int[], SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, without replacement, from the set of integers in the interval [0, n).
nextWindowedIntPair(int, int, int[]) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 2 integers, i, j, without replacement, from the set of integers in the interval [0, n), such that |i-j| ≤ window.
nextWindowedIntPair(int, int, int[], Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 2 integers, i, j, without replacement, from the set of integers in the interval [0, n), such that |i-j| ≤ window.
nextWindowedIntPair(int, int, int[], SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 2 integers, i, j, without replacement, from the set of integers in the interval [0, n), such that |i-j| ≤ window.
nextWindowedIntTriple(int, int, int[]) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, i, j, k without replacement, from the set of integers in the interval [0, n), such that |i-j| ≤ window, and |i-k| ≤ window, and |k-j| ≤ window.
nextWindowedIntTriple(int, int, int[], boolean) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, i, j, k without replacement, from the set of integers in the interval [0, n), such that |i-j| ≤ window, and |i-k| ≤ window, and |k-j| ≤ window.
nextWindowedIntTriple(int, int, int[], boolean, Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, i, j, k without replacement, from the set of integers in the interval [0, n), such that |i-j| ≤ window, and |i-k| ≤ window, and |k-j| ≤ window.
nextWindowedIntTriple(int, int, int[], boolean, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, i, j, k without replacement, from the set of integers in the interval [0, n), such that |i-j| ≤ window, and |i-k| ≤ window, and |k-j| ≤ window.
nextWindowedIntTriple(int, int, int[], Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, i, j, k without replacement, from the set of integers in the interval [0, n), such that |i-j| ≤ window, and |i-k| ≤ window, and |k-j| ≤ window.
nextWindowedIntTriple(int, int, int[], SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of 3 integers, i, j, k without replacement, from the set of integers in the interval [0, n), such that |i-j| ≤ window, and |i-k| ≤ window, and |k-j| ≤ window.

O

org.cicirello.math - package org.cicirello.math: Collection of classes related to a variety of mathematical concepts.
org.cicirello.math.la - package org.cicirello.math.la: Collection of classes related to linear algebra.
org.cicirello.math.rand - package org.cicirello.math.rand: Collection of classes related to random number generation.
org.cicirello.math.stats - package org.cicirello.math.stats: Collection of classes related to statistics.
org.cicirello.rho_mu - module org.cicirello.rho_mu: ρμ - A Java library of randomization enhancements and other math utilities.

P

PolarGaussian - Class in org.cicirello.math.rand: This class provides methods for generating pseudorandom numbers from a Gaussian distribution using the classic Polar Method.
pow(double, int) - Static method in class org.cicirello.math.MathFunctions: Computes a^b, where the exponent b is an integer.
product(double[][], double[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A * B.
product(double[][], double[][], double[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A * B.
product(int[][], int[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A * B.
product(int[][], int[][], int[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A * B.

R

RandomIndexer - Class in org.cicirello.math.rand: RandomIndexer is a class of utility methods related to efficiently generating random indexes, and combination of indexes, into arrays.
RandomVariates - Class in org.cicirello.math.rand: This utility class provides methods for generating random variates from different distributions.

S

sample(int, double) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample, without replacement, from the set of integers in the interval [0, n).
sample(int, double, Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample, without replacement, from the set of integers in the interval [0, n).
sample(int, double, SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample, without replacement, from the set of integers in the interval [0, n).
sample(int, int, int[]) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
sample(int, int, int[], Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
sample(int, int, int[], SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
sampleInsertion(int, int, int[]) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
sampleInsertion(int, int, int[], Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
sampleInsertion(int, int, int[], SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
samplePool(int, int, int[]) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
samplePool(int, int, int[], Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
samplePool(int, int, int[], SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
sampleReservoir(int, int, int[]) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
sampleReservoir(int, int, int[], Random) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
sampleReservoir(int, int, int[], SplittableRandom) - Static method in class org.cicirello.math.rand.RandomIndexer: Generates a random sample of k integers, without replacement, from the set of integers in the interval [0, n).
Statistics - Class in org.cicirello.math.stats: Utility class of basic statistics.
sum(double[][], double[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A + B.
sum(double[][], double[][], double[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A + B.
sum(int[][], int[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A + B.
sum(int[][], int[][], int[][]) - Static method in class org.cicirello.math.la.MatrixOps: Computes C = A + B.

T

transposeSquareMatrixInline(double[][]) - Static method in class org.cicirello.math.la.MatrixOps: Transpose a square matrix inline.
transposeSquareMatrixInline(int[][]) - Static method in class org.cicirello.math.la.MatrixOps: Transpose a square matrix inline.
tTestUnequalVariances(double[], double[]) - Static method in class org.cicirello.math.stats.Statistics: Welch's t-test, also known as t-test with unequal variances.
tTestUnequalVariances(int[], int[]) - Static method in class org.cicirello.math.stats.Statistics: Welch's t-test, also known as t-test with unequal variances.
tTestWelch(double[], double[]) - Static method in class org.cicirello.math.stats.Statistics: Welch's t-test, also known as t-test with unequal variances.
tTestWelch(int[], int[]) - Static method in class org.cicirello.math.stats.Statistics: Welch's t-test, also known as t-test with unequal variances.

V

variance(double[]) - Static method in class org.cicirello.math.stats.Statistics: Computes variance of a population.
variance(int[]) - Static method in class org.cicirello.math.stats.Statistics: Computes variance of a population.
varianceSample(double[]) - Static method in class org.cicirello.math.stats.Statistics: Computes variance of a sample.
varianceSample(int[]) - Static method in class org.cicirello.math.stats.Statistics: Computes variance of a sample.

Z

ZigguratGaussian - Class in org.cicirello.math.rand: This class provides methods for generating pseudorandom numbers from a Gaussian distribution using the Ziggurat Algorithm.

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