length

Length of an object.

📝 Syntax

• l = length(M)

📥 Input argument

• M - a variable

📤 Output argument

• l - the length of the largest array dimension in M.

📄 Description

For matrix or N-dimensional array,length returns the number of elements along the largest dimension. For empty object, length returns 0. For scalar,length returns 1. For a vector,length returns the number of elements.

💡 Example

length(ones(3, 0))
length(3)
length([1 2 3 4 5])
length(ones(3, 4, 5))

🔗 See also

size, numel.

🕔 History

Version	📄 Description
1.0.0	initial version