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Nathan Greco


Con actividad desde 2011

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Respondida
for loop
The only thing that doesn't look right to me is where you have elseif size(qq)==[1,#] / size(qq)==[1,#+1] Where # is 6...

alrededor de 12 años hace | 0

Respondida
Store fllepath in variable
Yes. Just store it as a string. filepath = 'C:\Users\ecorbett\Documents\MATLAB\Labelers\fred'; filename = 'text.csv'; ...

más de 12 años hace | 1

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Respondida
Determining Host ID
Does this help? http://www.mathworks.com/support/solutions/en/data/1-171PI/

más de 12 años hace | 0

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How do I access and modify only the non diagonal entries in a matrix?
If tmp is your matrix, try: tmp-diag(diag(tmp)) %works only with square matrices OR triu(tmp,1)+tril(tmp,-1) Both of...

más de 12 años hace | 0

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How did you learn MATLAB?
I started Matlab by being thrown into it through my internship at Sandia Natl. Labs two years ago. I learned how to program in M...

más de 12 años hace | 0

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Changing the names of text files in a directory
Maybe this will do? (Run this under your NAIC directory.) Assuming you are on a windows machine: files = dir('*.txt.*'); na...

más de 12 años hace | 1

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Nested loop problem !
Will this do what you are looking for: *EDIT:* a(:,3:end) = b(:,1:end-2); OR, if you really wanted a for loop: d = ...

más de 12 años hace | 1

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Respondida
Finding diag of two cells
Does this work for you? diag(cell2mat([a b])) Note that the solution is the same as: diag([a{1} a{2}]) To get the di...

más de 12 años hace | 0

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changes of data
You would not be able to use a matrix, as matrices can only contain the same data types (all numerical or all character arrays) ...

más de 12 años hace | 0

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Respondida
Marking where one clicked with ginput
I did something similar to this when measuring diameters of soot particles. I would frequently get lost as to where I last click...

más de 12 años hace | 1

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Respondida
Control Break Processing
Here's a dirty method, but no handwritten loops as requested. Assume tmp contains your 22x3 cell array of data (the 4th column ...

casi 13 años hace | 0

Respondida
Imprecise Basic operations
See: http://matlab.wikia.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_.28or_similar.29_not_equal_to_zero.3F Welcome to the world of floa...

casi 13 años hace | 2

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Respondida
Specify columns inside a for loop
You are only checking of the data within any given column is between 1 and 8, which isn't what you describe to be wanting. Ju...

casi 13 años hace | 0

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Respondida
Writing variable as filename using csvwrite
Try writing: csvwrite(filename,A); %without quotes

casi 13 años hace | 0

Respondida
dilation of specific objects
First, I would label regions in your image: bwl = bwlabel(img,8); Area of regions: a = regionprops(img,'area');...

casi 13 años hace | 0

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Respondida
Counting number of zeros in column or row, without looping
Given A: idx = A~=0; c = sum(idx,1); r = sum(idx,2);

casi 13 años hace | 1

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Respondida
Getting data values from a plot
User interpolation x = [1 2 4 5]; y = [1 3 4 9]; xi = x(1):.01:x(end); %values between x yi = interp1(x,y,x...

casi 13 años hace | 0

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Respondida
Manipulation of different size of matrices with strings and numbers
Look up the documentation for CELL, it might suit your needs. doc cell In regular matrices, you cannot mix data ty...

casi 13 años hace | 2

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montage function
The montage function allows you to input your own path to images that you want to use. doc montage Example, if the pictures...

casi 13 años hace | 1

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Respondida
I want a button to be pressed in MATLAB GUI when Enter key is pressed. How to do it?
I do something similar to this. Use keypress functions, and check to see if the current character being pressed is the enter key...

casi 13 años hace | 1

Respondida
Sorting Cell stucture with different data types
How about this one: [d ix] = sort(C{12}); newC = cellfun(@(x)x(ix),C,'un',0);

casi 13 años hace | 0

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Respondida
Last Axes Display Image
You have a scope issue. Try doing this instead (note the "end"s) function Axes N.fh=figure('unit','pix',... 'Position',[40...

casi 13 años hace | 2

Respondida
Challenge - Change my avatar colors
My "spy" command gives me a picture of a dog: spy To change the background and outline color in one shot: whitebg To c...

casi 13 años hace | 0

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