head

Get top rows of table or array.

Syntax

• head(A)

• head(A, k)

• B = head(...)

Input argument

• A - Input array (table or other).

Output argument

• k - a integer value: Number of rows to extract (k = 8 by default).

Description

head(A) displays the first eight rows of an array, or table A in the Command Window without assigning it to a variable.

head(A, k) displays the first k rows of A.

B = head(...) returns the specified rows of A for any of the previous syntaxes, with B having the same data type as A.

Examples

LastName = {'Sanchez';'Johnson';'Li';'Diaz';'Brown'};
Age = [38;43;38;40;49];
Smoker = logical([1;0;1;0;1]);
Height = [71;69;64;67;64];
Weight = [176;163;131;133;119];
BloodPressure = [124 93; 109 77; 125 83; 117 75; 122 80];
T = table(LastName, Age, Smoker, Height, Weight, BloodPressure)
head(T, 2)

A = repmat((1:50)',1, 3);
head(A)

See also

tail, table.

History

Version	Description
1.9.0	initial version

Author

Allan CORNET