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How can I create a vector of numbered names

조회 수: 16 (최근 30일)
Anas Zh
Anas Zh 2021년 11월 26일
편집: Peter Perkins 2021년 11월 26일
How can I create a vector of number names
for example,
n=8;
v= ["λ1","λ2".... ,"λn"]
so i can get a vector v= ["λ1","λ2","λ3","λ4","λ5","λ6","λ7","λ8"]
as i want to use it in table .....'RowNames',v)
The n value wanted to be changed so the question again how to number the name based on n
  댓글 수: 2
KSSV
KSSV 2021년 11월 26일
I don't think you can use special symbols in table.
Peter Perkins
Peter Perkins 2021년 11월 26일
편집: Peter Perkins 2021년 11월 26일
You actually can:
>> v = ["λ1","λ2","λ3"]
v =
1×3 string array
"λ1" "λ2" "λ3"
>> t = table([1;2;3],'RowNames',v)
t =
3×1 table
Var1
____
λ1 1
λ2 2
λ3 3
>> t('λ3',:)
ans =
table
Var1
____
λ3 3
Originally, variable names had to be valid MATLAB identifiers, but now even those can have arbitrary characters. With variable names and dot indexing, you can't write t.λ3, you need to write something like t.('λ3'). But with row names there's no dot indexing, you always have to put row names in quotes like t('RowName',:). So there's not really a reason to limit row names to valid identifiers.

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채택된 답변

Walter Roberson
Walter Roberson 2021년 11월 26일
v = "λ" + (1:n)

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