| Package | Description |
|---|---|
| org.apache.commons.math3 |
Common classes used throughout the commons-math library.
|
| org.apache.commons.math3.analysis.differentiation |
This package holds the main interfaces and basic building block classes
dealing with differentiation.
|
| org.apache.commons.math3.analysis.interpolation |
Univariate real functions interpolation algorithms.
|
| org.apache.commons.math3.distribution |
Implementations of common discrete and continuous distributions.
|
| org.apache.commons.math3.geometry |
This package is the top level package for geometry.
|
| org.apache.commons.math3.geometry.euclidean.oned |
This package provides basic 1D geometry components.
|
| org.apache.commons.math3.geometry.euclidean.threed |
This package provides basic 3D geometry components.
|
| org.apache.commons.math3.geometry.euclidean.twod |
This package provides basic 2D geometry components.
|
| org.apache.commons.math3.geometry.spherical.twod |
This package provides basic geometry components on the 2-sphere.
|
| org.apache.commons.math3.linear |
Linear algebra support.
|
| org.apache.commons.math3.stat.inference |
Classes providing hypothesis testing.
|
| org.apache.commons.math3.util |
Convenience routines and common data structures used throughout the commons-math library.
|
| Modifier and Type | Method and Description |
|---|---|
T |
FieldElement.divide(T a)
Compute this ÷ a.
|
T |
FieldElement.reciprocal()
Returns the multiplicative inverse of
this element. |
| Modifier and Type | Method and Description |
|---|---|
double |
DerivativeStructure.taylor(double... delta)
Evaluate Taylor expansion a derivative structure.
|
double |
DSCompiler.taylor(double[] ds,
int dsOffset,
double... delta)
Evaluate Taylor expansion of a derivative structure.
|
| Modifier and Type | Method and Description |
|---|---|
void |
HermiteInterpolator.addSamplePoint(double x,
double[]... value)
Add a sample point.
|
void |
FieldHermiteInterpolator.addSamplePoint(T x,
T[]... value)
Add a sample point.
|
| Modifier and Type | Method and Description |
|---|---|
double |
KolmogorovSmirnovDistribution.cdf(double d)
Deprecated.
Calculates
P(D_n < d) using method described in [1] with quick
decisions for extreme values given in [2] (see above). |
double |
KolmogorovSmirnovDistribution.cdf(double d,
boolean exact)
Deprecated.
Calculates
P(D_n < d) using method described in [1] with quick
decisions for extreme values given in [2] (see above). |
double |
KolmogorovSmirnovDistribution.cdfExact(double d)
Deprecated.
Calculates
P(D_n < d) using method described in [1] with quick
decisions for extreme values given in [2] (see above). |
| Constructor and Description |
|---|
EnumeratedDistribution(List<Pair<T,Double>> pmf)
Create an enumerated distribution using the given probability mass function
enumeration.
|
EnumeratedDistribution(RandomGenerator rng,
List<Pair<T,Double>> pmf)
Create an enumerated distribution using the given random number generator
and probability mass function enumeration.
|
EnumeratedIntegerDistribution(int[] singletons,
double[] probabilities)
Create a discrete distribution using the given probability mass function
definition.
|
EnumeratedIntegerDistribution(RandomGenerator rng,
int[] singletons,
double[] probabilities)
Create a discrete distribution using the given random number generator
and probability mass function definition.
|
EnumeratedRealDistribution(double[] singletons,
double[] probabilities)
Create a discrete real-valued distribution using the given probability mass function
enumeration.
|
EnumeratedRealDistribution(RandomGenerator rng,
double[] singletons,
double[] probabilities)
Create a discrete real-valued distribution using the given random number generator
and probability mass function enumeration.
|
| Modifier and Type | Method and Description |
|---|---|
Vector<S> |
Vector.normalize()
Get a normalized vector aligned with the instance.
|
| Modifier and Type | Method and Description |
|---|---|
Vector1D |
Vector1D.normalize()
Get a normalized vector aligned with the instance.
|
| Modifier and Type | Method and Description |
|---|---|
static <T extends RealFieldElement<T>> |
FieldVector3D.angle(FieldVector3D<T> v1,
FieldVector3D<T> v2)
Compute the angular separation between two vectors.
|
static <T extends RealFieldElement<T>> |
FieldVector3D.angle(FieldVector3D<T> v1,
Vector3D v2)
Compute the angular separation between two vectors.
|
static <T extends RealFieldElement<T>> |
FieldVector3D.angle(Vector3D v1,
FieldVector3D<T> v2)
Compute the angular separation between two vectors.
|
static double |
Vector3D.angle(Vector3D v1,
Vector3D v2)
Compute the angular separation between two vectors.
|
Vector3D |
Vector3D.normalize()
Get a normalized vector aligned with the instance.
|
FieldVector3D<T> |
FieldVector3D.normalize()
Get a normalized vector aligned with the instance.
|
Vector3D |
Vector3D.orthogonal()
Get a vector orthogonal to the instance.
|
FieldVector3D<T> |
FieldVector3D.orthogonal()
Get a vector orthogonal to the instance.
|
void |
Plane.reset(Vector3D p,
Vector3D normal)
Reset the instance as if built from a point and a normal.
|
| Constructor and Description |
|---|
FieldRotation(FieldVector3D<T> u,
FieldVector3D<T> v)
Build one of the rotations that transform one vector into another one.
|
FieldRotation(FieldVector3D<T> u1,
FieldVector3D<T> u2,
FieldVector3D<T> v1,
FieldVector3D<T> v2)
Build the rotation that transforms a pair of vectors into another pair.
|
Plane(Vector3D normal)
Deprecated.
as of 3.3, replaced with
Plane.Plane(Vector3D, double) |
Plane(Vector3D normal,
double tolerance)
Build a plane normal to a given direction and containing the origin.
|
Plane(Vector3D p,
Vector3D normal)
Deprecated.
as of 3.3, replaced with
Plane.Plane(Vector3D, Vector3D, double) |
Plane(Vector3D p,
Vector3D normal,
double tolerance)
Build a plane from a point and a normal.
|
Plane(Vector3D p1,
Vector3D p2,
Vector3D p3)
Deprecated.
as of 3.3, replaced with
Plane.Plane(Vector3D, Vector3D, Vector3D, double) |
Plane(Vector3D p1,
Vector3D p2,
Vector3D p3,
double tolerance)
Build a plane from three points.
|
Rotation(Vector3D u,
Vector3D v)
Build one of the rotations that transform one vector into another one.
|
Rotation(Vector3D u1,
Vector3D u2,
Vector3D v1,
Vector3D v2)
Build the rotation that transforms a pair of vectors into another pair.
|
| Modifier and Type | Method and Description |
|---|---|
static double |
Vector2D.angle(Vector2D v1,
Vector2D v2)
Compute the angular separation between two vectors.
|
Vector2D |
Vector2D.normalize()
Get a normalized vector aligned with the instance.
|
| Constructor and Description |
|---|
S2Point(Vector3D vector)
Simple constructor.
|
| Modifier and Type | Method and Description |
|---|---|
double |
RealVector.cosine(RealVector v)
Computes the cosine of the angle between this vector and the
argument.
|
ArrayFieldVector<T> |
ArrayFieldVector.ebeDivide(ArrayFieldVector<T> v)
Element-by-element division.
|
FieldVector<T> |
FieldVector.ebeDivide(FieldVector<T> v)
Element-by-element division.
|
FieldVector<T> |
SparseFieldVector.ebeDivide(FieldVector<T> v)
Element-by-element division.
|
FieldVector<T> |
ArrayFieldVector.ebeDivide(FieldVector<T> v)
Element-by-element division.
|
FieldVector<T> |
FieldVector.mapDivide(T d)
Map a division operation to each entry.
|
FieldVector<T> |
SparseFieldVector.mapDivide(T d)
Map a division operation to each entry.
|
FieldVector<T> |
ArrayFieldVector.mapDivide(T d)
Map a division operation to each entry.
|
FieldVector<T> |
FieldVector.mapDivideToSelf(T d)
Map a division operation to each entry.
|
FieldVector<T> |
SparseFieldVector.mapDivideToSelf(T d)
Map a division operation to each entry.
|
FieldVector<T> |
ArrayFieldVector.mapDivideToSelf(T d)
Map a division operation to each entry.
|
FieldVector<T> |
FieldVector.mapInv()
Map the 1/x function to each entry.
|
FieldVector<T> |
SparseFieldVector.mapInv()
Map the 1/x function to each entry.
|
FieldVector<T> |
ArrayFieldVector.mapInv()
Map the 1/x function to each entry.
|
FieldVector<T> |
FieldVector.mapInvToSelf()
Map the 1/x function to each entry.
|
FieldVector<T> |
SparseFieldVector.mapInvToSelf()
Map the 1/x function to each entry.
|
FieldVector<T> |
ArrayFieldVector.mapInvToSelf()
Map the 1/x function to each entry.
|
ArrayFieldVector<T> |
ArrayFieldVector.projection(ArrayFieldVector<T> v)
Find the orthogonal projection of this vector onto another vector.
|
FieldVector<T> |
FieldVector.projection(FieldVector<T> v)
Find the orthogonal projection of this vector onto another vector.
|
FieldVector<T> |
SparseFieldVector.projection(FieldVector<T> v)
Find the orthogonal projection of this vector onto another vector.
|
FieldVector<T> |
ArrayFieldVector.projection(FieldVector<T> v)
Find the orthogonal projection of this vector onto another vector.
|
RealVector |
RealVector.projection(RealVector v)
Find the orthogonal projection of this vector onto another vector.
|
static void |
MatrixUtils.solveLowerTriangularSystem(RealMatrix rm,
RealVector b)
Solve a system of composed of a Lower Triangular Matrix
RealMatrix. |
static void |
MatrixUtils.solveUpperTriangularSystem(RealMatrix rm,
RealVector b)
Solver a system composed of an Upper Triangular Matrix
RealMatrix. |
void |
RealVector.unitize()
Converts this vector into a unit vector.
|
void |
OpenMapRealVector.unitize()
Converts this vector into a unit vector.
|
RealVector |
RealVector.unitVector()
Creates a unit vector pointing in the direction of this vector.
|
OpenMapRealVector |
OpenMapRealVector.unitVector()
Creates a unit vector pointing in the direction of this vector.
|
| Constructor and Description |
|---|
EigenDecomposition(RealMatrix matrix)
Calculates the eigen decomposition of the given real matrix.
|
EigenDecomposition(RealMatrix matrix,
double splitTolerance)
Deprecated.
in 3.1 (to be removed in 4.0) due to unused parameter
|
| Modifier and Type | Method and Description |
|---|---|
double |
KolmogorovSmirnovTest.cdf(double d,
int n)
Calculates \(P(D_n < d)\) using the method described in [1] with quick decisions for extreme
values given in [2] (see above).
|
double |
KolmogorovSmirnovTest.cdf(double d,
int n,
boolean exact)
Calculates
P(D_n < d) using method described in [1] with quick decisions for extreme
values given in [2] (see above). |
double |
KolmogorovSmirnovTest.cdfExact(double d,
int n)
Calculates
P(D_n < d). |
| Modifier and Type | Method and Description |
|---|---|
static int |
ArithmeticUtils.addAndCheck(int x,
int y)
Add two integers, checking for overflow.
|
static long |
ArithmeticUtils.addAndCheck(long a,
long b)
Add two long integers, checking for overflow.
|
static int |
FastMath.addExact(int a,
int b)
Add two numbers, detecting overflows.
|
static long |
FastMath.addExact(long a,
long b)
Add two numbers, detecting overflows.
|
static long |
CombinatoricsUtils.binomialCoefficient(int n,
int k)
Returns an exact representation of the Binomial
Coefficient, "
n choose k", the number of
k-element subsets that can be selected from an
n-element set. |
static long |
ArithmeticUtils.binomialCoefficient(int n,
int k)
Deprecated.
|
static double |
CombinatoricsUtils.binomialCoefficientDouble(int n,
int k)
Returns a
double representation of the Binomial
Coefficient, "n choose k", the number of
k-element subsets that can be selected from an
n-element set. |
static double |
ArithmeticUtils.binomialCoefficientDouble(int n,
int k)
Deprecated.
|
static double |
CombinatoricsUtils.binomialCoefficientLog(int n,
int k)
Returns the natural
log of the Binomial
Coefficient, "n choose k", the number of
k-element subsets that can be selected from an
n-element set. |
static double |
ArithmeticUtils.binomialCoefficientLog(int n,
int k)
Deprecated.
|
static byte |
MathUtils.copySign(byte magnitude,
byte sign)
Returns the first argument with the sign of the second argument.
|
static int |
MathUtils.copySign(int magnitude,
int sign)
Returns the first argument with the sign of the second argument.
|
static long |
MathUtils.copySign(long magnitude,
long sign)
Returns the first argument with the sign of the second argument.
|
static short |
MathUtils.copySign(short magnitude,
short sign)
Returns the first argument with the sign of the second argument.
|
static int |
FastMath.decrementExact(int n)
Decrement a number, detecting overflows.
|
static long |
FastMath.decrementExact(long n)
Decrement a number, detecting overflows.
|
BigReal |
BigReal.divide(BigReal a)
Compute this ÷ a.
|
static long |
CombinatoricsUtils.factorial(int n)
Returns n!.
|
static long |
ArithmeticUtils.factorial(int n)
Deprecated.
|
static int |
FastMath.floorDiv(int a,
int b)
Finds q such that a = q b + r with 0 <= r < b if b > 0 and b < r <= 0 if b < 0.
|
static long |
FastMath.floorDiv(long a,
long b)
Finds q such that a = q b + r with 0 <= r < b if b > 0 and b < r <= 0 if b < 0.
|
static int |
FastMath.floorMod(int a,
int b)
Finds r such that a = q b + r with 0 <= r < b if b > 0 and b < r <= 0 if b < 0.
|
static int |
ArithmeticUtils.gcd(int p,
int q)
Computes the greatest common divisor of the absolute value of two
numbers, using a modified version of the "binary gcd" method.
|
static long |
ArithmeticUtils.gcd(long p,
long q)
Gets the greatest common divisor of the absolute value of two numbers,
using the "binary gcd" method which avoids division and modulo
operations.
|
static int |
FastMath.incrementExact(int n)
Increment a number, detecting overflows.
|
static long |
FastMath.incrementExact(long n)
Increment a number, detecting overflows.
|
static int |
ArithmeticUtils.lcm(int a,
int b)
Returns the least common multiple of the absolute value of two numbers,
using the formula
lcm(a,b) = (a / gcd(a,b)) * b. |
static long |
ArithmeticUtils.lcm(long a,
long b)
Returns the least common multiple of the absolute value of two numbers,
using the formula
lcm(a,b) = (a / gcd(a,b)) * b. |
static int |
ArithmeticUtils.mulAndCheck(int x,
int y)
Multiply two integers, checking for overflow.
|
static long |
ArithmeticUtils.mulAndCheck(long a,
long b)
Multiply two long integers, checking for overflow.
|
static double[] |
MathArrays.normalizeArray(double[] values,
double normalizedSum)
Normalizes an array to make it sum to a specified value.
|
static int |
ArithmeticUtils.pow(int k,
int e)
Raise an int to an int power.
|
static long |
ArithmeticUtils.pow(long k,
int e)
Raise a long to an int power.
|
BigReal |
BigReal.reciprocal()
Returns the multiplicative inverse of
this element. |
static float |
Precision.round(float x,
int scale,
int roundingMethod)
Rounds the given value to the specified number of decimal places.
|
static long |
CombinatoricsUtils.stirlingS2(int n,
int k)
Returns the
Stirling number of the second kind, "
S(n,k)", the number of
ways of partitioning an n-element set into k non-empty
subsets. |
static long |
ArithmeticUtils.stirlingS2(int n,
int k)
Deprecated.
|
static int |
ArithmeticUtils.subAndCheck(int x,
int y)
Subtract two integers, checking for overflow.
|
static long |
ArithmeticUtils.subAndCheck(long a,
long b)
Subtract two long integers, checking for overflow.
|
static int |
FastMath.toIntExact(long n)
Convert a long to interger, detecting overflows
|
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