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MATLAB Function Reference

   

length

向量的長度

Syntax

n = length(X)

Description

對非空陣列來說,length(X)  max(size(X)) 同義,若陣列為空,則傳回零。

n = length(X) 傳回x中最長的維度的大小。若x為一向量,則傳回其長度。

Examples

x = ones(1,8);
n = length(x)
 
n =
 
     8
x = rand(2,10,3);
n = length(x)
 
n =
 
    10

See Also

ndims, size

 

 

legendre

 

length (serial)