get_inverse_GRAM: The function to get inverse Gram matrix

In MaxWiK: Machine Learning Method Based on Isolation Kernel Mean Embedding

The function to get inverse Gram matrix

Description

Function get_inverse_GRAM() allows to get inverse Gram matrix based on given positive regularization constant lambda

Function check_positive_definite() returns logical value about n trials on 'is Gram matrix positive definite or not?' Just incorrect trial returns FALSE

Usage

get_inverse_GRAM(G, l = 1e-06, check_pos_def = FALSE)

check_positive_definite(G, n = 10)

Arguments

G	Gram matrix gotten via GRAM_iKernel() function
l	Lambda parameter or positive regularization constant
check_pos_def	Logical parameter to check the Gram matrix is positive definite or do not check
n	Number of iterations to check the positive definite property

Value

Function get_inverse_GRAM() returns the inverse Gram matrix based on the given positive regularization constant lambda l

Function check_positive_definite() returns logical value:
TRUE if Gram matrix is positive definite, and FALSE if it is not

Functions

• check_positive_definite(): The function to check the positive definite property of Gram matrix

Examples

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MaxWiK documentation built on April 3, 2025, 8:47 p.m.