Input variable name in a for loop

조회 수: 1 (최근 30일)
Karim ElShorbagi
Karim ElShorbagi 2020년 11월 25일
답변: Ameer Hamza 2020년 11월 25일
Let's say I have variables named w1, w2, w3, w4... from w1 up to w10
How do I plot them all seperately using a for loop? Something that works similar to:
for z=1:10
figure
plot(w[insert number here])
end
  댓글 수: 2
Stephen23
Stephen23 2020년 11월 25일
Numbering variables like that is a sign that you are doing something wrong.
Trying to access those variables will force you into writing slow, complex, inefficient code that is liable to bugs and is difficult to debug. Read this to know why:
The much simpler and much more efficient approach is to use indexing into one array (which could be numeric, cell, structure, table, etc). You should use indexing, just as the MATLAB documentation recommends.
Karim ElShorbagi
Karim ElShorbagi 2020년 11월 25일
Oh, alright thanks I'll look into that

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답변 (1개)

Ameer Hamza
Ameer Hamza 2020년 11월 25일
Stephen already suggested the correct way. For your current code, a quick fix is to define a cell array
C = {w1, w2, w3, w4, w5, w6, w7, w8, w9, 10}
for z=1:10
figure
plot(C{z})
end

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