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How to meet two true conditions in a single loop?
Matlab allows you to string together multiple boolean expressions using the standard logic operators, "&" (and), ¦ (or), and ˜ (...

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Cell matrix
I think you need to do.. UserData.matrix(i,j)={'0'}; % notice where we have parenthesis (indexing) and curly braces for th...

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transfering an image
Loren has a nice blog on transferring data between two computers using MATLAB. You should be able to use the same concepts.. ...

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Using parfor
What kind of problem have you set up using parfor.. a general fact about the Parallel Computing Toolbox is that the parallel tas...

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how to draw border
Since you are performing your operations on an image I'm assuming you know the coordinates and size of the rectangle you wan...

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How to index a cell
try size(a{1}) This should help <http://blogs.mathworks.com/loren/2006/06/21/cell-arrays-and-their-contents/>

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plotyy xaxis not aligned with 'keeptick' and datenum
Clear the XTickLabel before using datetick.. remove hold.. That should solve the problem.. y1 = rand(12,1); y2 = rand(1...

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while plotting the graph ,it appears blank. How to solve this problem?
Try saving z as a vector and plotting it outside the loop.. f=[1,2,3,4,5,6,7,8,9,10]; t=1/0.4521; l=length(f); ...

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subplot axis scaling
because size(a) ans = 1.00 1001.00 It is not multiplying your xaxis by 1000, it is just plottin...

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Funny situations while helping others on MATLAB Answers
The easiest one so far has been.. How to add 1 to each element of array c=[2 4 6] Ans: c+1 This from a user...

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how to convert dicom image to jpg
You could use a software like power-dicom <http://www.dicom-solutions.com/powerdicom.shtm> around $200 or use a free soft...

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Undefined function or variable when using load and trying to operate with variables
Since you are saving all the variables a 'z' try the following.. Z_1=load('C\wherever.the.variable.is.stored\Z_1'); Z_...

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loop on gpu
Hi this demo gives a good demo about converting matlab for loop example from CPU to GPU <http://www.mathworks.com/products/de...

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Possible OpenGL problem when using the figure command
You could try the following from terminal (not MATLAB command).. $ glxinfo | less make sure the following is right: ...

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plot textdata on the x axis and number data on the y axis
Convert your date array into a number using datenum doc datenum and then plot it using the plot command, and use 'dateti...

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date time convert to elapsed time
your cell array c={'12:00:00' '12:00:01' '12:00:02' '12:00:03'} d=datenum(c,'HH:MM:SS') out=d-d(1); time_sec=out*86...

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matrix form numerical integration
you are trying to perform trapezoidal numerical integration over a number of different values but the output z is not a vector....

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Statistical Test for Random Number Generators
You could try runstest - Run test for randomness <http://www.mathworks.com/help/toolbox/stats/runstest.html> Not sure...

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Change a single pixel value in a Grayscale JPEG image
Are you sure you are checking Xc in the variable editor, you might be checking X (original image). the above does work.. I h...

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How to calculate pink noise in Matlab?
This DSP demo has good details of filtering white and pink noise.. <http://www.mathworks.com/products/dsp-system/demos.html?f...

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How to simplify transfer function？
Try s=tf('s'); A=1/(1+s);B=A/(1+A); minreal(B)

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what function of this? (weibul)
don't really understand your question, but I guess you want to to know what functions are being used above: fittype: Fit type...

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Collatz Sequence Plotting Issue
You could plot the number of steps required to get to 1 as shown in the Wolfram mathworld link <http://mathworld.wolfram.com...

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Using Pretty with R2011a?
Hmm, is definitely not related to R2011b, I have checked the following on all Ver R2010a,b, R 2011a,b and R 2012a on both window...

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Newbie: Euclidean distance of a matrix??
Dunno if this is what you need: X=[5 3 1; 2 5 6; 1 3 2] for i=1:length(X) dist(i,:)=pdist(X(:,i),'euclidean')'; en...

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cell array
Try entryname1 =['b';'a'] entryname2 =['d';'c'] entryname=[entryname1 entryname2]

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Using the find function
A= magic(4) [row,col]=find(A>10) should give you all positions of values in a Which are > 10 To find the actual value...

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ginput
Try for i=1:12, [X,Y] = ginput(i); end X=round(X); Y=round(Y); * EDIT for 12 inputs* remove fo...

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Inserting Image
This might help: <http://blogs.mathworks.com/pick/2007/10/16/matlab-basics-setting-a-background-image-for-a-gui/>

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convert Julian day to month
datetick('x','mmm','keeplimits') % remove keepticks to see all months Jan-Dec Dunno about the 10e5 bit.. might be a bug remn...

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