problem with loops and conditional statements

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bhawna
bhawna 2024-8-11
评论： bhawna 2024-8-11
Ran in:
I am writing a simple program with if loop inside a for loop but the program gets stopped in middle with error:
Index exceeds the number of array elements. Index must not exceed 1.
Error in newtrial (line 19)
Y(i) = Y(i) + 1;
and the plot is not generated as well even for values generated.
the code is:
clc
clear
x1 = 5
x1 = 5
y1 = 3
y1 = 3
x0 = 0
x0 = 0
y0 = 0
y0 = 0
dx = x1-x0
dx = 5
dy = y1-y0
dy = 3
e = dy-dx
e = -2
X = x0
X = 0
Y = y0
Y = 0
for i = 1:1:5;
X(i+1) = X(i) + 1
if e(i) >= 0
Y(i+1) = Y(i) + 1;
e(i+1) = e(i) - dx;
else
e(i+1) = e(i) + dy;
end
end
X = 1x2
0 1
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X = 1x3
0 1 2
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Index exceeds the number of array elements. Index must not exceed 1.
Y
plot(X,Y,'bo')
axis([0 6 0 6])
I am new to this, so any help or correction in code is appreciated, thanks in advance.

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采纳的回答

AMIT
AMIT 2024-8-11
the problem is with the statement Y(i+1) = Y(i) + 1; in the second iteration it is trying to update the Y(3) with Y(2)+1 when during the first iteration the value of Y(2) is not updated in the else statement. try to rectify within the else statement for Y.

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