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Gareth Lee


Last seen: 1 year ago |  Active since 2012

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my question is can anyone improve my code to get the right answer?
It seems like to decide given year is whether or not a leap year. If you use the matlab 2016b, you can use the function 'leapyea...

8 years ago | 0

Answered
hi, I have array a = [5 4 0;3 1 0;5 7 0], how can I replace the value in third column (a(:,3)) with the values in column 1 (a(:,1)) when a(:,1) > a(:,2) . I need obtain [5 3,5] in the third column
I think the description of your question is not clear, a(:,1)>a(:,2) is a column vector not all true. Is this your judge conditi...

8 years ago | 1

Answered
Fitting experimental data to find a function
You can try polyfit function or other curve fit function, i.e. nlinfit or lsqcurvefit,to find proper equation. you also use cft...

8 years ago | 0

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Answered
Loop backwards and select subset of rows that meet criteria
if you want to use loop, it is showed below: tindex = find(A(:,1)==t); for j = tindex:-1:2 if(A(j,1)-A(j-1,1)==1)...

8 years ago | 1

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Answered
Replace rows with NaN only if there are more than two continous zero values in the same column
First, you can find the column with continous zeros(more than two), then find the index for replacement with nan. for example:...

8 years ago | 0

Answered
Loop backwards and select subset of rows that meet criteria
you can solve it without loop, e.g B = find(diff(A(1:find(A(:,1)==t),1))~=1); result = A(B(end)+1:find(A(:,1)==t)-1,:);

8 years ago | 0

Answered
Can't find AC or DC source on Simulink
You can't find it if you search it in simulink start page. You can open a blank simulink file, then you can open the simulink li...

8 years ago | 0