Index

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P

P - Variable in class org.flag4j.linalg.decompositions.lu.LU

Permutation matrix to store row swaps if partial pivoting is used.

padding - Static variable in class org.flag4j.io.PrintOptions

Padding to apply to each size of an element.

parallelismLevel - Static variable in class org.flag4j.concurrency.ThreadManager

The parallelism level for the thread manager.

ParameterChecks - Class in org.flag4j.util

This class contains several methods for checking properties of shapes and arrays.

ParameterChecks() - Constructor for class org.flag4j.util.ParameterChecks

parseNumber(String) - Static method in class org.flag4j.complex_numbers.CNumberParser

Parses a complex number in the form of a string into its real and imaginary parts.

PARTIAL - Enum constant in enum class org.flag4j.linalg.decompositions.lu.LU.Pivoting

partialPivot() - Method in class org.flag4j.linalg.decompositions.lu.ComplexLU

Computes the LU decomposition using partial pivoting (i.e.

partialPivot() - Method in class org.flag4j.linalg.decompositions.lu.LU

Computes the LU decomposition using partial pivoting (i.e.

partialPivot() - Method in class org.flag4j.linalg.decompositions.lu.RealLU

Computes the LU decomposition using partial pivoting (i.e.

performDoubleShift(int) - Method in class org.flag4j.linalg.decompositions.schur.ComplexSchur

Performs a full iteration of the Francis implicit double shifted QR algorithm (this includes the bulge chase).

performDoubleShift(int) - Method in class org.flag4j.linalg.decompositions.schur.RealSchur

Performs a full iteration of the Francis implicit double shifted QR algorithm (this includes the bulge chase).

performDoubleShift(int) - Method in class org.flag4j.linalg.decompositions.schur.Schur

Performs a full iteration of the Francis implicit double shifted QR algorithm (this includes the bulge chase).

performExceptionalShift(int) - Method in class org.flag4j.linalg.decompositions.schur.ComplexSchur

Performs a full iteration of the single shifted QR algorithm (this includes the bulge chase) where the shift is chosen to be a random value with the same magnitude as the lower right element of the working matrix.

performExceptionalShift(int) - Method in class org.flag4j.linalg.decompositions.schur.RealSchur

Performs a full iteration of the single shifted QR algorithm (this includes the bulge chase) where the shift is chosen to be a random value with the same magnitude as the lower right element of the working matrix.

performExceptionalShift(int) - Method in class org.flag4j.linalg.decompositions.schur.Schur

Performs a full iteration of the single shifted QR algorithm (this includes the bulge chase) where the shift is chosen to be a random value with the same magnitude as the lower right element of the working matrix.

performSingleShift(int, double) - Method in class org.flag4j.linalg.decompositions.schur.RealSchur

Performs a full iteration of the implicit single shifted QR algorithm (this includes the bulge chase).

performSingleShift(int, CNumber) - Method in class org.flag4j.linalg.decompositions.schur.ComplexSchur

Performs a full iteration of the implicit single shifted QR algorithm (this includes the bulge chase).

PermutationMatrix - Class in org.flag4j.arrays.sparse

A permutation matrix is a square matrix containing only zeros and ones such that each row and column have exactly a single one.

PermutationMatrix(int) - Constructor for class org.flag4j.arrays.sparse.PermutationMatrix

Creates a permutation matrix which is equivalent to the identity matrix of the specified size.

PermutationMatrix(int[]) - Constructor for class org.flag4j.arrays.sparse.PermutationMatrix

Creates a permutation matrix where the position of its ones are specified by a swap pointer array.

PermutationMatrix(PermutationMatrix) - Constructor for class org.flag4j.arrays.sparse.PermutationMatrix

Copy constructor which creates a copy of the src permutation matrix.

PermutationMatrix(Shape) - Constructor for class org.flag4j.arrays.sparse.PermutationMatrix

Creates a permutation matrix which is equivalent to the identity matrix of the specified size.

permuteRows(int[]) - Method in class org.flag4j.arrays.sparse.PermutationMatrix

Permutes rows of this permutation matrix.

permuteRows(CMatrix) - Method in class org.flag4j.linalg.solvers.exact.ComplexExactSolver

Permute the rows of a matrix using the row permutation matrix from the LU decomposition.

permuteRows(CVector) - Method in class org.flag4j.linalg.solvers.exact.ComplexExactSolver

Permute the rows of a vector using the row permutation matrix from the LU decomposition.

permuteRows(Matrix) - Method in class org.flag4j.linalg.solvers.exact.RealExactSolver

Permute the rows of a matrix using the row permutation matrix from the LU decomposition.

permuteRows(Vector) - Method in class org.flag4j.linalg.solvers.exact.RealExactSolver

Permute the rows of a vector using the row permutation matrix from the LU decomposition.

permuteRows(T) - Method in class org.flag4j.linalg.solvers.exact.ExactSolver

Permute the rows of a matrix using the row permutation matrix from the LU decomposition.

permuteRows(U) - Method in class org.flag4j.linalg.solvers.exact.ExactSolver

Permute the rows of a vector using the row permutation matrix from the LU decomposition.

PI - Static variable in class org.flag4j.complex_numbers.CNumber

The real double value closer to pi than any other.

pInv(CMatrix) - Static method in class org.flag4j.linalg.Invert

Computes the pseudo-inverse of this matrix.

pInv(Matrix) - Static method in class org.flag4j.linalg.Invert

Computes the pseudo-inverse of this matrix.

pivotFlag - Variable in class org.flag4j.linalg.decompositions.lu.LU

Flag indicating what pivoting to use.

Pivoting() - Constructor for enum class org.flag4j.linalg.decompositions.lu.LU.Pivoting

POSITIVE_INFINITY - Static variable in class org.flag4j.complex_numbers.CNumber

Complex number with real part equal to Double.POSITIVE_INFINITY.

PositiveDefiniteness - Class in org.flag4j.linalg

This class contains several methods for determining the positive definiteness of a matrix.

PositiveDefiniteness() - Constructor for class org.flag4j.linalg.PositiveDefiniteness

pow(double, double) - Static method in class org.flag4j.complex_numbers.CNumber

Compute a raised to the power of b.

pow(double, CNumber) - Static method in class org.flag4j.complex_numbers.CNumber

Compute a raised to the power of b.

pow(int) - Method in class org.flag4j.arrays.dense.CMatrix

Computes the matrix power with a given exponent.

pow(int) - Method in class org.flag4j.arrays.dense.Matrix

Computes the matrix power with a given exponent.

pow(int) - Method in class org.flag4j.arrays.sparse.CooCMatrix

Computes the matrix power with a given exponent.

pow(int) - Method in class org.flag4j.arrays.sparse.CooMatrix

Computes the matrix power with a given exponent.

pow(int) - Method in class org.flag4j.arrays.sparse.CsrCMatrix

Computes the matrix power with a given exponent.

pow(int) - Method in class org.flag4j.arrays.sparse.CsrMatrix

Computes the matrix power with a given exponent.

pow(int) - Method in interface org.flag4j.core.MatrixOperationsMixin

Computes the matrix power with a given exponent.

pow(CNumber, double) - Static method in class org.flag4j.complex_numbers.CNumber

Computes a raised to the power of b.

pow(CNumber, CNumber) - Static method in class org.flag4j.complex_numbers.CNumber

Compute a raised to the power of b.

precision - Static variable in class org.flag4j.io.PrintOptions

Precision of the printed matrix values.

PrintOptions - Class in org.flag4j.io

Print options for matrices and vectors

PrintOptions() - Constructor for class org.flag4j.io.PrintOptions

Hide default constructor.

prod(double[]) - Static method in class org.flag4j.operations.dense.real.RealDenseOperations

Multiplies all entries in a tensor.

prod(int[]) - Static method in class org.flag4j.operations.dense.real.RealDenseOperations

Multiplies all entries in a tensor.

prod(CNumber[]) - Static method in class org.flag4j.operations.dense.complex.ComplexDenseOperations

Multiplies all entries in a tensor.

Projection - Class in org.flag4j.linalg.transformations

This class contains methods usefully for computing projection transformation matrices.

Projection() - Constructor for class org.flag4j.linalg.transformations.Projection

putBackSymbol(int) - Method in class org.flag4j.complex_numbers.CNumberLexer

Replaces unneeded symbol back into content string.

A B C D E F G H I J K L M N O P Q R S T U V W X Z
All Classes and Interfaces|All Packages|Constant Field Values|Serialized Form