2.2 Matrix operations

MATLAB: Matrix Laboratory

Matrix generation method:

  • Direct input matrix elements
  • Known matrix matrix assembly, a steering matrix, a shift matrix
  • Read data files
  • Special function directly using the matrix generated
    Function name Explanation
    zeros Full matrix 0
    ones Full matrix 1
    rand Uniformly distributed random matrix
    randn Normally distributed random distribution
    magic Cube Matrix
    diag diagonal matrix
    affectionate Upper triangular matrix
    Trill Lower triangular matrix
    eye Matrix
    company Adjoint matrix
    hilb Hilbert matrix
    invhilb Hilbert inverse matrix
    vander vander matrix
    pascal Pascal matrix
    hadamard Hadamard matrix
    hankel() Hankel matrix

2.2.1 matrix generation

Generating a random matrix:

RAND = A ( . 5 ) generates a random% a 5 × 5 matrix 

A (:, . 1 )% A in the first column of 
A (:, . 3 : . 5 ) A three to five% of 
A ( . 1 ,% A :) of the first row 
a ( . 1 : . 3 ,% a :) to three lines of a
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Origin www.cnblogs.com/zgqcn/p/11268922.html