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Problem with array filling
sprintf('%.17g', 0.3) ans = 0.29999999999999999 http://matlab.wikia.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_.28or_simil...

12年以上前 | 2

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Print to file, saveas, maintaining figure dimensions
I suggest to use |<http://www.mathworks.co.uk/matlabcentral/fileexchange/23629-exportfig export_fig()>| from the FEX. It also cr...

12年以上前 | 1

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3D matrix with various chain!!
If you have the Image Processing Toolbox: CC = bwconncomp(U3); labelmatrix(CC)

12年以上前 | 0

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how can I interpolate NaN values and correlate a matrix
[rr,cc] = size(A); % Values to interpolate xi = 1:cc; % Index the non NaNs idx = ~isnan(A); % ...

12年以上前 | 0

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How to plot timeline in matlab?
% Create dates as serial numbers serdates = fix(now) + 9/24 : 1/(24*4) : fix(now) + 11/24; % plot plot(serdates,...

12年以上前 | 0

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Fixed income bonds: How to deal with ex-dividend trading
Have you looked into the <http://www.mathworks.co.uk/help/finance/index.html Financial Toolbox> and the <http://www.mathworks.co...

12年以上前 | 0

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Counting repeated values paired with other repeated values and placing those counts in an array
[un,trash,sub] = unique(myfasttotal1(:,1)); count = accumarray(sub,myfasttotal1(:,2)); [un, count] The...

12年以上前 | 1

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same y label on both sides of contourf
Alternatively you can just *copy* the old axes and paste it over: new = copyobj(gca,gcf); set(new,'YAxisLocation','ri...

12年以上前 | 1

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How many zeros do I have before a specific sting variable?
Another solution: pos = strfind([A{:}],'b')-1 pos(1)

12年以上前 | 0

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calculation of a mean matrix
Unfortunately your example doesn't allow to propose a unique solution, i.e.: c1 = [mean(a); mean(b)] c2 = squeeze(mean(c...

12年以上前 | 0

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Importing multiple files with multiple columns.
I suggest to read this FAQ: http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F Then, your description ...

12年以上前 | 0

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Non numerical axis marks
Yes, you can do that in several ways: d = {'01/01/2012','02/01/2012','03/01/2012','04/01/2012','05/01/2012'}; *1st metho...

12年以上前 | 1

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while loop only diving last result
count = 0; % initialize counter out = zeros(100,1); % preallocate (not always possible with wh...

12年以上前 | 0

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Nominal to useful without changing values
a = '23'; str2num(a) str2double(a)

12年以上前 | 0

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Extract part of a filename from a directory list
I suppose that your filenames always have the date as |ddmmyy| and it's always at then end: x = {'XXX_YYY_010203.txt' ...

12年以上前 | 1

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Using latex command with anonymous functions
Interesting case, do you define B in a recursive way on purpose? However the error is clear, B doesn't exist at the moment o...

12年以上前 | 0

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problem with matlab 2009 64 bit
It is not MATLAB's problem. You simply have concurrent access with modification actions which are not supported in general b...

12年以上前 | 0

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a small problem with interpolation
It appears to be a bug in this contribution. You have two options: # report this to the author on the FEX and wait for H...

12年以上前 | 0

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Using todaily() without holidays
% Sample data data = [datenum(2012,10:13,1)',(1:4)']; % Retrieve all days dates = (data(1):data(end,1))'; ...

12年以上前 | 0

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Importing data from excel
It seems that R2007b wasn't still able to import |.xlsx| files. I found the first reference to this type only from R2009a! ...

12年以上前 | 0

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xlswrite an empty string
You can control the excel file directly without importing it through ActiveX: % Open the excel file (it remains invisible how...

12年以上前 | 0

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How to tell Matlab to ignore NaNs in calculations/loops
If you have the Statistics or the Financial toolbox, use <http://www.mathworks.co.uk/help/stats/nanmean.html |nanmean()|>. *E...

12年以上前 | 0

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How to update edit box's callback as soon as entering data?
There is a problem with the edit box, I show a solution here: http://www.mathworks.in/matlabcentral/answers/33136#answer_41732 ...

12年以上前 | 0

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Bizarre results with inpaint_nans
|inpaint_nans()| uses a 4 neighborood algorithm because it's designed for images. Thus, looping by column hides the two adjacent...

12年以上前 | 0

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Import and read ascii files located in different folders
You are creating the PATH_TD = ['G:\MET_' int2str(month) '\trans_2011' int2str(month) int2str(j) '00_txt\val_dew2011' int2...

12年以上前 | 0

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Comining the values and merging
B = num2cell(A,1); B = [B{:,1} strcat(B{2:5}) strcat(B{3:6}) strcat(B{4:7}) strcat(B{5:8})];

12年以上前 | 0

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How to read folders of diferent names extensions
% retrieve all subfolders's names s = dir('yourpath'); idx = [s(:).isdir]; names = {s(idx).name}'; % Remove ...

12年以上前 | 3

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creating additonal rows of NaN in specific positions
Very similar to your previous question. You have to build the |idx| accordingly. Nte that the |idx| stores the row position wher...

12年以上前 | 2

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How do I count the number of NaNs in a Vector?
[minval,idx] = min(sum(isnan(a)))

12年以上前 | 2

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Out of memory issue
Use |./| instead of |/|. Elementwise division.

12年以上前 | 0