he Factorial Function illustrate the operation of a for loop, we will use a for loop to calculate the orial function. The factorial function is defined as n= 0 n! nx (n- 1) x (n- 2) x ... x 2x1 n>0 (5.3) MATLAB code to calculate N factorial for positive value of N would be n_factorial - 1 for ii = 1:n n factorial n factorial

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Example-The Factorial Function
To illustrate the operation of a for loop, we will use a for loop to calculate the
factorial function. The factorial function is defined as
n = 0
– 1) × (n – 2) × ... X 2x1 n>0
n! =
(5.3)
The MATLAB code to calculate N factorial for positive value of N would be
n_factorial = 1
for ii = 1:n
n_factorial = n_factorial * ii;
end
Suppose that we wish to calculate the value of 5!. If n is 5, the for loop control
expression would be the row vector [1 2 3 4 5]. This loop will be executed
5 times, with the variable ii taking on values of 1, 2, 3, 4, and 5 in the successive
loops. The resulting value of n_factorial will be 1 X 2 x 3 x 4 x 5 = 120.
MATLAB includes a standard function called zactoriai to calculate the factorial function. Use the MATLAB help system to look up this function.
Calculate 71, 141, and 21! using the program ini this example
7! =
14! =
21! =
Calculate 7!, 14!, and 21! using the factorial function.
7! =
14! =
21! =
How do the results compare?
Transcribed Image Text:Example-The Factorial Function To illustrate the operation of a for loop, we will use a for loop to calculate the factorial function. The factorial function is defined as n = 0 – 1) × (n – 2) × ... X 2x1 n>0 n! = (5.3) The MATLAB code to calculate N factorial for positive value of N would be n_factorial = 1 for ii = 1:n n_factorial = n_factorial * ii; end Suppose that we wish to calculate the value of 5!. If n is 5, the for loop control expression would be the row vector [1 2 3 4 5]. This loop will be executed 5 times, with the variable ii taking on values of 1, 2, 3, 4, and 5 in the successive loops. The resulting value of n_factorial will be 1 X 2 x 3 x 4 x 5 = 120. MATLAB includes a standard function called zactoriai to calculate the factorial function. Use the MATLAB help system to look up this function. Calculate 71, 141, and 21! using the program ini this example 7! = 14! = 21! = Calculate 7!, 14!, and 21! using the factorial function. 7! = 14! = 21! = How do the results compare?
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