how to minus a sequence value
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a=-4;
b=4;
x=a:1:b;
y=x.^2-4.*x;
from the above code, i will have value y= 32,21,12,5,0,-3,-4,-3,0
then, what i do do next is to find the difference between answer
ex:
abs|21-32|=11
abs|12-21|=9
abs|5-12|=7
and so on
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Rik
il 13 Set 2022
The diff function will do what you want. You can use abs to get the absolute value.
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