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Add element to a given vector

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steve Brian
steve Brian 2020 年 4 月 10 日
コメント済み: steve Brian 2020 年 4 月 10 日
I have a vector of the format:
x = [X1 X2 … Xn]
I want to add an element to the end, X(n+1). How do I do that?
x = [ X1 X2 .. Xn X(n+1) ]
ex: x = [ 1 4 2 8]
newX = [ 1 4 2 8 9]
A little help, please!

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per isakson
per isakson 2020 年 4 月 10 日
編集済み: per isakson 2020 年 4 月 10 日
One way
>> x = 1:6
x =
1 2 3 4 5 6
>> x(end+1)=17
x =
1 2 3 4 5 6 17
>>
  5 件のコメント
per isakson
per isakson 2020 年 4 月 10 日
I'm even more confused
"I have already the newV, but i want to add that n+1 element"
Isn't that exactly what's done by
NewV(end+1) = 22;
steve Brian
steve Brian 2020 年 4 月 10 日
Sorry I am not precise .. I want to be an algorithm that takes each element of the vector and when it has reached the end, to add them ( without specifying it) the last element + 1
Something like:
V = [ x1 x2 x3 ...... xN]
Let's say p is the algorithm or function. P will check each element in the vector, and when it reaches its tail, the end of the vector, add +1 to the last element
new V = [ x1 x2 x3 .... xN x(N+1) ]
p = x1 (first element)
p = x1 x2 (second elem)
p = x1 x2 x3 ( third el)
p = x1 x2 x3 .. xN ( oh, the N element is the tail, i need to put the last element to this tail, N +1, to be like N N +1)
finally: new V = [ x1 x2 x3 .... xN x(N+1) ]

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