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The mathIT Library
A Java™ API for mathematics
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R

RADIANS - Static variable in class org.mathIT.numbers.BigNumbers
The constant 2π/360, the ratio of 1 radians per degree.
RADIANS - Static variable in class org.mathIT.numbers.Numbers
The constant 2π/360, the ratio of 1 radians per degree.
RAMANUJAN - Static variable in class org.mathIT.numbers.BigNumbers
Ramanujan's constant eπ √163, up to an accuracy of 10-102.
rank() - Method in class org.mathIT.algebra.Matrix
Returns the rank of this matrix.
rank() - Method in class org.mathIT.algebra.SingularValueDecomposition
Effective numerical matrix rank
Rational - Class in org.mathIT.numbers
This class enables the creation of a rational number n and the implementation of mathematical functions operating on them.
Rational(long, long) - Constructor for class org.mathIT.numbers.Rational
Creates a rational number p/q with the numerator p and the denominator q.
Rational(BigInteger, BigInteger) - Constructor for class org.mathIT.numbers.Rational
Creates a rational number p/q with the numerator p and the denominator q.
reciprocal(double[]) - Static method in class org.mathIT.numbers.Complex
Returns the reciprocal of a complex number y.
reciprocal() - Method in class org.mathIT.numbers.Complex
Returns the reciprocal of this number.
reciprocal() - Method in class org.mathIT.numbers.Quaternion
Returns the reciprocal of this number.
reciprocal() - Method in class org.mathIT.numbers.Rational
Returns the reciprocal 1/n of this rational n.
Register - Class in org.mathIT.quantum
This class represents the states of a quantum register.
Register(int) - Constructor for class org.mathIT.quantum.Register
Creates a register of n qubits, initialized to the state |0>.
Register - Class in org.mathIT.quantum.stabilizer
This class represents the states of a quantum register.
Register(int) - Constructor for class org.mathIT.quantum.stabilizer.Register
Creates a register of n qubits, initialized to the state |0>.
Register(int, boolean) - Constructor for class org.mathIT.quantum.stabilizer.Register
Creates a register of n qubits, initialized to the state |0>.
Regression - Class in org.mathIT.approximation
This class enables to generate objects from data points (t, y) such as time series and to compute regression polynomials from them.
Regression(double[], double[][]) - Constructor for class org.mathIT.approximation.Regression
constructor for time series with unknown measurement errors.
Regression(double[], double[][], double[][]) - Constructor for class org.mathIT.approximation.Regression
constructor for time series with known measurement errors.
relevance - Variable in class org.mathIT.graphs.Graph
This array stores the network relevance of all vertices with respect to the entire graph.
remove(Object) - Method in class org.mathIT.util.Tuple
 
removeAll(Collection<?>) - Method in class org.mathIT.util.Tuple
 
retainAll(Collection<?>) - Method in class org.mathIT.util.Tuple
 
Riemann - Class in org.mathIT.numbers
This class provides the Riemann zeta function ζ(s) for any complex number s and the Riemann-Siegel functions Z and θ.
RNACodon - Enum in org.mathIT.genes
This enum provides the 43 = 64 mRNA codons made of the alphabet U, C, A, G; associated to each cocon is the amino acid to which it is transformed by the genetic code during the process of genetic expression.
root(int, BigInteger) - Static method in class org.mathIT.numbers.BigNumbers
Returns the nth root of z, with an accuracy of 10-50/2 z.
root(int, BigDecimal) - Static method in class org.mathIT.numbers.BigNumbers
Returns the nth root of z, with an accuracy of 10-50/2 z.
root(int, BigDecimal, int) - Static method in class org.mathIT.numbers.BigNumbers
Returns the nth root of z, with an accuracy given by 10-precision/2 z.
root(int, double) - Static method in class org.mathIT.numbers.Numbers
Returns the nth root of z, with an accuracy of 1e-12 z.
ROOT_10_TWO - Static variable in class org.mathIT.numbers.BigNumbers
10th root of 2.
rotate(double, double) - Method in class org.mathIT.plot.ComplexPlotPane
Rotates the coordinate axes.
rotate(int[], String, double) - Method in class org.mathIT.quantum.Register
Applies one of the three basic rotation operators Rx(φ), Ry(φ), or Rz(φ) to this register.
rotate(int[], String, double) - Method in class org.mathIT.quantum.stabilizer.Register
Applies one of the three basic rotation operators Rx(φ), Ry(φ), or Rz(φ) to this register.
rows - Variable in class org.mathIT.algebra.Matrix
Number of rows of this matrix.
runActivation(HashSet<V>) - Method in interface org.mathIT.graphs.NetworkOfActivatables
Returns the active nodes finally activated by the specified active initiators in this network.
runActivation(HashSet<Actor>) - Method in class org.mathIT.graphs.SocialNetwork
Returns the actors finally activated by the specified active initiators in this social network, according to the linear threshold model.
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The mathIT Library
A Java™ API for mathematics