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Diary does not print backspace ('\b') properly - alternative/solution?
I suspect that it does save the backslash character correctly, but that the editor that you are using to open the diary doesn't ...

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Help with matlab, dimensions of matrices being concatenated are not consistent, why?
Seeing what you are trying to do in the call to plot, I suspect that you didn't want to solve a linear system when you defined |...

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urlread function: put variable in string
You can concatenate strings using square brackets, but I usually prefer building a final string using SPRINTF, e.g. url = sp...

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extracting specific part from txt file
It is difficult to understand what "for each .." means in your question. If you just need to extract the numbers that you specif...

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order a cell array by the dimension of its cells
Here is one way: Build test data: >> c = {randi(10,1,3), randi(10,1,4),randi(10,1,2),randi(10,1,3)}' c = [1x3 dou...

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Question

Is there a "signature" for objects instances of subclasses of handle?
Dear all,       Assume that we have a class |MyClass<handle|. Is there a "kind of signature" th...

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Why is MyCellArray{:} different than x = MyCellArray{:}?
|MyCellArray{:}| is a Comma Separated List (CSL). It is the information that you are missing I guess. The |x| on the left hand s...

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Getting help for a function from another function
As mentioned in my comment above, you could write a small code manager tool which performs this kind of updates for you. I often...

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Repeated printing of output when the code is run. How to change to print it only once?
This is because MEAN works along a dimension (the 1st by default) and not over the full array. See below: >> A = rand(3, 4) ...

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Assinging String Value to Structure
Here is one way: [unshuff(1,:).myfield] = deal( 'new practice' ) ;

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how the function typecast works when convert double to uint8
Look at the difference between CAST and TYPECAST, and you will understand what happens in your example. PS: if you want to un...

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Most efficient way of tackling this problem
Here is the beginning of an answer while I am waiting for my plane. "Most efficient" can have multiple meanings here. Does i...

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Creating discrete variables within a for loop
*UPDATED* Here is a fun (maybe) example: nShapes = 10 ; nFrames = 100 ; % - Build figure and axes. figure() ; s...

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Please im having this messeage displayed when using xlswrite function
This is a warning that informs you that you are operating on a spreadsheet that doesn't exist, and hence adding it to the workbo...

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Remove row in cell array depending on value of first column.
The easiest way is using a loop: for cId = 1 : numel( C ) isLt6 = C{cId}(:,1) < 6 ; C{cId} = C{cId}(~isLt6,:) ; ...

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How to use dir in a loop to be dynamic?
We actually use DIR the other way around. If file names are very regular and determined by e.g. a number, we built them using SP...

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Is there any way to identify the fingerprint contents in an image using matlab?
Here is a lightweight approach that is absolutely not solid/stable; .. could be a starting point? I = imread( 'fingerprint00...

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set legend to non transparent
What do you mean by opaque? By default the legend is boxed and opaque: >> t = 0 : 0.1 : 10 ; plot( t, sin(t), 'b', t, cos(t...

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Export matched lines from two text files
Here is a first draft. Test it and let me know if anything is unclear or doesn't work. % - Read files content as strings. ...

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What is the best approach in editing script files with other script files ?
You can do something along the following line. As you don't have 4 columns in your Excel file, I assume that the former values c...

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How to create subplots with little vertical spacing?
You can store/use the axis handles of both subplots and access/modify their properties. Here is an example: t = 0:0.1:10 ; ...

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How to import hex values from text file?
*EDIT:* I updated my answer with comments and made it a little more efficient. buf = fileread( 'chromebackground_0_150810-14...

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Exporting matched lines from a text file
Because your file contains no new line characters (\n = ASCII 10) but only carriage return characters (\r = ASCII 13). After you...

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How to define new methods on existing matlab classes?
Generally speaking, you *cannot* do it. You cannot subclass MATLAB fundamental classes. You may want to try building your ow...

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Heat map of a 1999x1000 matrix of values, x and y positions given by separate 1999x1000 matrices?
The problem is that you don't have a regular grid. If you had one, you could remap elements of |x|, |y|, and |z| according to tw...

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Character restriction in text file
If you want to keep only the lines which start with the character |M|, the following would work: content = fileread( 'BTM.tx...

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Search entire multi level cell array for matching string
If you have 2015a or above, this can be an occasion for playing with the new REPELEM function: linId = strcmpi( [MyCellArra...

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extract data from each row in a matrix if all columns in that row above a threshold
Here is an example: >> A = randi( 20, 10, 5 ) % Dummy example. A = 17 4 14 15 9 19 20 1 ...

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Multiplying the row numbers and column numbers, NOT THE ELEMENTS iN THEM
Assuming e.g.: nRows = 5 ; nCols = 8 ; you can do it this way: prods = bsxfun( @mtimes, (1:nRows)', 1:nCols ) ; ...

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Removing unwanted lines from text file
Not far! You made two small mistakes actually. The first is that you have 7 columns, and hence 6 separators, so the array of sep...

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