# size matlab szdim = size( A , dim ) returns the length of dimension dim . [ m , n ] = size(A) returns the number of rows and columns when A is a matrix. This MATLAB function returns the two-element row vector d containing the number of rows and columns in obj. This MATLAB function returns the two-element row vector d = [m,n] containing the number of points in the point set and the number of dimensions the points are . L = length( X ) returns the length of the largest array dimension in X . For vectors, the length is simply the number of elements. For arrays with more dimensions, the length is max(size(X)) . d = size(X) returns the sizes of each dimension of array X in a vector d with ndims(X) elements. If X is a scalar, which MATLAB regards as a 1-by-1 array, size(X) returns the vector [1 1] . [m,n] = size(X) returns the size of matrix X in separate variables m and n . Array dimensions. Syntax. d = size(X) [m,n] = size(X) m = size(X , dim) [d1,d2,d3,.,dn] = size(X). Description. d = size(X) returns the sizes of each dimension of . size. Array dimensions. Syntax. d = size(X) [m,n] = size(X) m = size(X , dim) [d1,d2,d3,.,dn] = size(X). Description. d = size(X) returns the sizes of each dimension . 1 abr. 2015 - Particular cases. Due to the fact that strings or not considered in the same way in Matlab and in Scilab, results are not equal for string matrices, . Length return you largest of row and columns of matrix, whereas, size return you the complete dimension of the matrix. Consider a matrix 'A' has 3 row and 5 .