writing long equation with correct answer
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Hello everyone, this is not hw ;) I'm self-learner. I'ev faced this equation but couldn't get the final answer correctly. the final answer is 55, but I have different answers. I will attach the equation and my trails. Apology for my low level in english :'(
my trails:
n=10;
fn= [(1/sqrt(5))].* [(1+sqrt(5)/(2)).^n - (1-sqrt(5)/(2).^n)]
and this one
fn= 1/sqrt(5).* (1+sqrt(5)/(2).^n - (1-sqrt(5)/(2).^n))
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채택된 답변
Chunru
2021년 12월 13일
Note that in matlab "( )" are very different from "[ ]":
n=10;
fn= 1/sqrt(5) * ( ( (1+sqrt(5)) / 2 )^n - (1-sqrt(5)/2).^n )
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추가 답변 (1개)
Walter Roberson
2021년 12월 13일
fn= [(1/sqrt(5))].* [(1+sqrt(5)/(2)).^n - (1-sqrt(5)/(2).^n)]
Notice that in the first sub-expression it is the 1+ expression that is being raised to n, but in the second sub-expression, it is only the 2 that is being raised to the n.
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