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create a vector whose elements depend on its previous elements without a loop
Doing this will a loop shouldn't be slow as long as you preallocate the array beforehand: a = zeros(1, 100); %preallocation a...

fast 7 Jahre vor | 1

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Find the difference between rows and substract it
I'm not sure how that is diferent from shiftng to 0, but to achieve what you want: shift = Amtx1(1, :) - min(Amtx1(1, :)); plo...

fast 7 Jahre vor | 0

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Rename files within multiple subfolders (within multiple subfolders) to the name of the first subfolder.
You just need to break down the mydir.folder into its different folders and use the one before last to rename your file.: dir_p...

fast 7 Jahre vor | 0

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Edit header of MAT-File
Ok, you could theoretically store some limited metadata in the header of a version 5 mat file. It's been a while now that matlab...

fast 7 Jahre vor | 0

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How to find the peaks without using findpeaks function?
There are several alternatives to the Signal Processing Toolbox findpeaks on the file exchange. This one and this one are the f...

fast 7 Jahre vor | 0

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Use one matrix to change values of another
Simply: B(~ismember(B, A)) == 0

fast 7 Jahre vor | 1

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Google number of occurences
This doesn't seem to be a question about matlab (much). If you want to use google, you'll have to go through their custom search...

fast 7 Jahre vor | 1

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Access multiple folders and extract specific files
Doesn't sound particularly complicated. For a while now, dir has been able to recurse into folders, so a single filelist = dir(...

fast 7 Jahre vor | 0

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Regexp to pull numerics only
\d*\d*\d*\d* is exactly the same as \d*, match 0 or more digits. It probably would be better as \d+, match 1 or more digits Tha...

fast 7 Jahre vor | 0

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Transfer a diagonal matrix
Please, don't post screenshot for something as simple as a matrix. Use text, so we can copy/paste it into matlab. A = diag(1:3)...

fast 7 Jahre vor | 0

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Importing table/array from website to Matlab
First, note that importing data from html is always going to be very iffy. html is a presentation format designed to display thi...

fast 7 Jahre vor | 0

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setvartype does not work
As it says on the 3rd line of the documentation, opts = setvartype(opts,type) "updates all the variables in the opts object ..."...

fast 7 Jahre vor | 1

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Decode JSON into only struct array
jsondecode is certainly never going to convert a json array into a structure array as there's no guarantee that the objects in t...

fast 7 Jahre vor | 2

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Using color in strings in MATLAB AppDesigner in UITextArea
Unfortunately, no the control is not flexible enough to allow this. On the other, text area controls are more tailored for inp...

fast 7 Jahre vor | 1

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How can I replace this a value in the array with the k where the value is k-th min?
This is the simplest: v = [1 434 22 434 23 53 89 199] [~, ~, newv] = unique(v)

fast 7 Jahre vor | 1

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Which way of programming is more efficient and faster?
No, there is no difference between the cases. More importantly, even if there was, you shouldn't care until you've proven that t...

fast 7 Jahre vor | 1

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Index exceeds the number of array elements (0).
Yes, you will receive this error whenever your dir doesn't find any file. Three things: Use meaningful variable names, dirconte...

fast 7 Jahre vor | 2

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Gray Color Intensity fill.
Note that AFR should hav one less row as well as column. Probably, the simplest way to create your spray: pdata = surf2patch(S...

fast 7 Jahre vor | 1

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How to get the sum of several sets of nonzeros in array
Here is one way: %demo data v = [0 0 0 0 2 4 1 0 0 1 5 3 0 0 0 0 2 3 0 0 7 2 3 1 2 0 0 0 0]; endruns = find(diff([v~=0, 0])...

fast 7 Jahre vor | 0

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Overwrite a CELL-ARRAY
As Geoff said, at the moment this line vtec_final{1,i} = vtec_pronosticado2 ; doesn't make much sense. We have: for i=1:punt...

fast 7 Jahre vor | 0

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How to be able to read file names with Swedish characters (ÅÄÖ) from a zipped file? Also how to unzip the files to a folder with the same name as the zipped folder?
The documentation of unzip is a bit unclear on the effect of locale, all it has to say is "To extract a zip file that contains n...

fast 7 Jahre vor | 0

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Accessing the index of a matrix element inside the cell array
First, a few recommendations. If you're using vectors use linear indexing instead of 2D indexing. I.e. X{1} instead of X{1, 1}...

fast 7 Jahre vor | 1

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degrees2dms Syntax
function(x) = y has never and never will be valid syntax in matlab. A function call is always on the right hand side of the =. ...

fast 7 Jahre vor | 0

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Error:- Index in position 1 is invalid. Array indices must be positive integers or logical values.
Note that the whole code can be simplified to: function [ irradianceReorder ] = reOrderNew(irradiance, xMoved, yMoved, zMoved) ...

fast 7 Jahre vor | 0

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A file called avehighs.dat stores the average high temperatures for each month for a year (rounded to integers). The first column of the data stores the zip code, the 2nd to 13th columns store 12 temperatures.
If there was 100 zip codes, would you write a 100 elseif ? What if there was a million? Clearly that's not the way to go You ac...

fast 7 Jahre vor | 0

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Return the Coordinates of the differences
Sounds like you're doing image registration. Have you considered looking at the functions that matlab already provides? There's ...

fast 7 Jahre vor | 0

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How to plot according to DropDown menu value?
if value == Square Well, this is certainly not going to work (unless you've created a Square variable) I suspect that if valu...

fast 7 Jahre vor | 0

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Help!!! how to search for some xx xx xx xx(hex) in a dat file very fast!!!
Unlike per isakson, I'm assuming that you're looking for a byte pattern (given in hexadecimal format) in a binary file. If you'r...

fast 7 Jahre vor | 1

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How to make my function accept input file?
What should be done? I'm afraid the answer is: learn matlab. Function inputs are variables. Matlab is not going to magically gu...

fast 7 Jahre vor | 2

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The sequence of actions in a vector (football match)
No idea how we went from your original question to a vector of numbers. Anyway, if I understood correctly: %example data match...

fast 7 Jahre vor | 1

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