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find difference between numbers

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abbas hasan
abbas hasan 2013-1-18
hi everybody i start work with matlab from short time and i need yours helps i try to find the difference between five distances i.e if i have r1=5,r2=7,r3=9,r4=13,r5=18 and try to find the difference between r2-r1,r3-r2 ,.....,r5-r4 and write this code to work with for but it is not work the code is
a=[5,7,9,13,18]
for i=1:5
r(i)=a(i+1)-a(i)
end
i get this error
Attempted to access a(6); index out of bounds because numel(a)=5.
thanks

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回答（2 个）

Walter Roberson
Walter Roberson 2013-1-18
for i=1:4
abbas hasan
abbas hasan 2013-1-18
thanks it work correct

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