matrix 相关的搜索结果 共有14个

eye()

Description: Create a matrix whose major diagonal element is 1 and other elements are 0. Syntax: eye(n1,n2) Note: The exmatrix,dimension,unit matrix

ismissm()

Description: Find missing values in a matrix. Syntax: A.ismissm() Find the null values or empty strings in matrix A and matrix, missing value

mfind()

Description: Search for positions of non-zero members in a vector or matrix. Syntax: mfind(A, n) Note: The external librvector,matrix, non-zero

mmean()

Description: Calculate the mean value within a matrix or a multidimensional matrix. Syntax: mmean(A, n) Note: An externamatrix, multidimensional matrix, mean

mnorm()

Description: Normalize a matrix or a multidimensional matrix, during which the center value is 0 and the standard deviatmatrix, multidimensianl matrix, normalization

mstd()

Description: Calculate the standard deviation on a matrix or a multidimensional matrix. Syntax: mstd(A, n) Note: An extematrix, multidimensional matrix, standard deviation

msum()

Description: Calculate sum on a matrix or a multidimensional matrix. Syntax: msum(A, n) Note: An external library functimatrix, sum

norm()

Description: Normalize a matrix or a vector. Syntax: norm(A) Note: The function normalizes a matrix or a vector by subtrmatrix, vector, normalize

pca()

Description: External library function (See External Library Guide); perform PCA on a matrix and return data for dimensimatrix,pca,dimensionality reduction

pls()

Description: Fit together matrices using PLS technique. Syntax: pls(A,Y,n) Fit matrix A and matrix/vector Y using the PLmatrix,pls,fitting,coefficient,number of principal components