MATLAB资料整合(国外英语资料).doc

MATLAB资料整合(国外英语资料) 1. return is the end of a sentence, and no semicolon at the end, the output of the sentence execution results, the end has a semicolon, only execute, do not output; the matrix is the basic processing element of MATLAB; 2. notes start with% 3., a line can not be written, with the continuation of the line, otherwise the default line has been completed 4. view of resident variables in workspace Workspace window display Command mode Who Whos Clear variables Clear command Save data Save command The standard function name and command name provided by 5.MATLAB must be lowercase letters, and the variable name begins with the letter 6, commonly used predefined variables The default assignment variable of the ANS calculation, the number of nargin functions, and the number of input parameters EPS machine zero threshold nargout function output the number of parameters The approximate value of realmax maximum positive real Pi Pi I, J realmin the smallest positive real imaginary unit Inf, Inf, infinity, NaN, Nan, non number, such as the result of 0/0 7, A (I, J) stands for column I, column J, column element 8, the matrix elements are numbered by column, first column, and then second column, such as A (3) 9. colon expression: use it to generate row vectors, the general format is a:b:c, where a is the initial value, B is the step size, and C (ca) is the termination value, for example: t=0:2:10 t=0 246810 In MATLAB, you can generate row vectors with the linspace function; linspace (a, B, n), a, B are the first and last elements, and N is the total number of elements 10.A (M::) represents the entire element of row A of the matrix M, and A ((=:, n)) represents all the elements of the column n of the matrix A; A (m1:m2::) represents all elements of line m1~m2; A ((::, n1:n2)) represents all elements of column n1~n2 A (m1:m2, n1:n2) said the line m1~m2 and in all elements of the n1~n2 series 11.A (): each column element of the matrix is stacked up to become a column v