Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Create Array of Random Dates
In this task you are required to write a function that will generate a column array (a variable called dates) containing N random dates.
N is an integer (whole number) entered by the user and will indicate to the function how many random dates the user requires.
The dates array will be structured as follows:
• The array shall have two columns; column 1 will contain numbers indicating the day of each month (1-31) and column 2 will contain
numbers indicating the month (Jan 1, Feb=2, Mar = 3.... Dec = 12).
. Each day must be randomly generated (using the randi() function) taking into account the maximum number of days in each month (i.e.
Jan, Mar, May, Jul, Aug. Oct and Dec have 31 days, Apr. Jun, Sep and Nov have 30 days and Feb will have 28 days). You must use an
if-elseif-else statement to decide this.
• We are assuming no leap years (e. February can only have days between 1-28).
For example, the output from calling the function:
output = dategen (3)
could be:
output=
23
11
14
5
11 6
Important note: Make sure you do not use the 'clear' or 'clc' keywords in your solution.
Function
1 function dates = dategen (N)
2
4 end
Code to call your function
1 output = dategen(3)
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Transcribed Image Text:Create Array of Random Dates In this task you are required to write a function that will generate a column array (a variable called dates) containing N random dates. N is an integer (whole number) entered by the user and will indicate to the function how many random dates the user requires. The dates array will be structured as follows: • The array shall have two columns; column 1 will contain numbers indicating the day of each month (1-31) and column 2 will contain numbers indicating the month (Jan 1, Feb=2, Mar = 3.... Dec = 12). . Each day must be randomly generated (using the randi() function) taking into account the maximum number of days in each month (i.e. Jan, Mar, May, Jul, Aug. Oct and Dec have 31 days, Apr. Jun, Sep and Nov have 30 days and Feb will have 28 days). You must use an if-elseif-else statement to decide this. • We are assuming no leap years (e. February can only have days between 1-28). For example, the output from calling the function: output = dategen (3) could be: output= 23 11 14 5 11 6 Important note: Make sure you do not use the 'clear' or 'clc' keywords in your solution. Function 1 function dates = dategen (N) 2 4 end Code to call your function 1 output = dategen(3) Save Reset My Solutions > MATLAB Documentation Reset
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