Help with MATLAB basics
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I'm new to MATLAB so I'm having some trouble here. Can anyone tell me how to find a specific element in a list? something like the in operator for python. Thanks :)
1 个评论
Jan
2013-5-13
This is a Matlab forum. Although it is likely, that you find someone who speaks Matlab and Python, it is more likely, that you get a fast answer, if you explain in words, what the program should do.
采纳的回答
Jan
2013-5-13
Most likely you want:
index = find(strcmp(list, element), 1);
if list is a cell string, or:
index = find(list == element, 1);
if list is a numerical vector.
1 个评论
Image Analyst
2013-5-13
% instead of a == b
% use:
areEssentiallyEqual = abs(a-b) < tol
% for some small value of tol relative to a and b
% perhaps defined using eps(a) and/or eps(b)
theElementIndex = find(areEssentiallyEqual);
or you might want to use ismember(), which is useful in certain cases.
更多回答（1 个）
Bjorn Gustavsson
2013-5-13
First I should to point you to various get-started documentation...
Then I'd suggest that you read the documentation of:
help
find
strfind
findstr
isequal
HTH
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