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Nathan Greco


自 2011 起处于活动状态

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已回答
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...

13 years 前 | 0

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

13 years 前 | 1

| 已接受

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

13 years 前 | 0

已回答
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...

13 years 前 | 0

已回答
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...

13 years 前 | 0

已回答
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...

13 years 前 | 1

已回答
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 = ...

13 years 前 | 1

| 已接受

已回答
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...

13 years 前 | 0

已回答
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) ...

13 years 前 | 0

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已回答
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...

13 years 前 | 1

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已回答
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 ...

13 years 前 | 0

已回答
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...

13 years 前 | 2

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已回答
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...

13 years 前 | 0

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

13 years 前 | 0

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

13 years 前 | 0

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

13 years 前 | 1

| 已接受

已回答
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...

13 years 前 | 0

| 已接受

已回答
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...

13 years 前 | 2

已回答
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...

13 years 前 | 1

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已回答
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...

13 years 前 | 1

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

13 years 前 | 0

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已回答
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...

13 years 前 | 2

已回答
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...

13 years 前 | 0

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