MATLAB FINANCIAL DERIVATIVES TOOLBOX Bedienungsanleitung PDF herunterladen (Seite 75)

4.3.1. The

r Loop

The

r loop repeats a group of statements a fixed, predetermined number of

times. A matching

d delineates the statements. The syntax for the

r loop

is exhibited in Table 9.

Syntax Example

for index=first_value:step:last_value

segment of executable programming code

end

for i=1:10

disp(i)

end

sumj=0;

for j=25:-2:-12

sumj=sumj+j;

end

Table 9: The

r statement syntax and example.

The colon notation is similar as in the case of the vectors. Actually, index in

the

r syntax is a vector with n elements with first element being the

first_value and last the last_value. The difference between the index

elements is step. Afterwards, the

statement executes n times the segment

of executable programming code moving from the first element of the index

to the last one element-by-element at each time. If step is not displayed,

then by default is set to 1.

4.3.2. The while Loop

The

e loop repeats a group of statements an indefinite number of times

under control of a logical condition. That is, as long as an expression is

TRUE, then the segment of executable programming code that is included in

the

e statement is executed. A matching

d delineates the statements

[2]. The syntax for the

e loop is exhibited in Table 10.

Syntax Example

while expression

segment of executable programming code

end

X=-3;

while X<=10

disp(X)

X=X+1;

end

Table 10: The

e statement syntax and example.

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 118 119

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