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Problems when using textscan to read csv files
Hi! Even if the question is already answered, my suggestion is % read in file fid = fopen('myfile.csv'); FC = text...

12년 초과 전 | 0

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Slow debugging for long scripts
Hi! You can try to disable the code analyzing feature under "File -> Preferences -> Code Analyzer". Writing should not be del...

12년 초과 전 | 0

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To eliminate the lines begin with "%"
Hi! Read in your file: % read in a file fid = fopen(FileName); FC = textscan(fid, '%s', 'delimiter', '\n'); fcl...

12년 초과 전 | 1

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how can I print out all the variables of my code?
Hi! Just look at your "Workspace", it can be found in the menu bar. Or type "who" in command window.

12년 초과 전 | 1

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How to replace a for loop with something faster
Hi! If you don't need the results of every loop, you can write: p1 = phi.*r; p2 = phi.*(lam_+g_)-.5*g_^2; p3 = .5....

12년 초과 전 | 0

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How can I separate complex data from a .txt file?
Hi! It seems all your 6 fields in a row are separated with ",", right? The easiest is to read in the whole file and process e...

12년 초과 전 | 0

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Problem using regexp to extract certain lines
Hi! I would suggest another approach. It is (in my opinion) easier to debug, because you can track your steps easily. % ...

12년 초과 전 | 0

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How many workspaces are present in matlab??
Hi! Each function has its own workspace. If you write a function you will have a separate workspace to work in, without the v...

12년 초과 전 | 1

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How to use/skip multiple strings in a legend
Hi! Did you read this page? <http://www.mathworks.com/help/matlab/creating_plots/controlling-legends.html Controlling Legends...

12년 초과 전 | 0

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Matlab (R2012b) on windows 7 closing itself while running scripts
Hi! In your scripts do you use "exit"? This terminates matlab. If you only want to _exit_ a matlab script or function you nee...

12년 초과 전 | 0

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Regular expressions, words in a pattern
Hi! "\w" does not match spaces!

12년 초과 전 | 0

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How can I generate a matrix?
Hi! Loop over your a/b vectors and increase the specified matrix element: M = zeros(max(a), max(b)); for n = 1:le...

12년 초과 전 | 1

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simulation for an array
Hi! As far as I understand you want to create a movie? You can plot to a figure, capture the figure and play the movie like t...

12년 초과 전 | 0

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How to read a txt file containing letters and number
Hi! You can read in with textscan as strings and convert afterwards: % read file fid = fopen('plante1_no_head.txt'); ...

12년 초과 전 | 0

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How to prevent function output being overwritten in for loop?
Hi! Use arrays to save the results: % allocate arrays for results Energyin = zeros(JN-1, 1); Energyout= zeros(JN-1...

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Failure in look-up table / failure in my matlab
Hi! The help uses sfix(8) instead of ufix(8) and another scaling: <http://www.mathworks.com/help/simulink/slref/fixpt_interp1...

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How can i use threshold to convert a gray-scaled image into binary image ?
Hi! If you load an image into matlab, you get a matrix A (for example) of size (XxYx3) with X and Y being the number of pixel...

12년 초과 전 | 2

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Error using * Inner matrix dimensions must agree. HELP
Hi! My guess: You write T1 = mult * cos(kRca); If mult and kRca have the same length and you want to multiply elemen...

12년 초과 전 | 0

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Finding Indices of Duplicate Values
Hi! You may use "unique". The second output is the index of all unique values, e.g. in column 3. All other indices are duplic...

12년 초과 전 | 6

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Question about a script
Hi! You may not mix a script with a function in one file! If you want to write a function called "pos_vel", you have to save ...

12년 초과 전 | 0

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Multiplying a changing amount matrices.
Hi! I'm not sure if I understood correctly. You can concat N matrices into a 3d matrix with dimensions (2x2xN). Basically, yo...

12년 초과 전 | 1

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How to change a matrix as inserting zeroes both end sides?
Hi! Use diag: <http://www.mathworks.com/help/matlab/ref/diag.html?searchHighlight=diag>

12년 초과 전 | 0

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How can I plot coordinates with different colours based on the value and family of my variables ?
Hi! X = [2 4 -3 5 6]; Y = [4 9 1 -2 1]; L1 = [1 1 1 1 1]; L2 = [2 1 2 1 2]; L3 = [3 3 3 3 1]; L4 = [10 0...

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How can I generate a sample of 1-D random numbers following Gaussian distribution
Hi! It seems you already found your solution on file exchange. Why don't you use it? Your input function will be m=0;...

12년 초과 전 | 0

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comparing matrix elements and performing operation if equal
Hi! % get indices of unique values [~, ~, c] = unique(A(:, 1)); % loop over all unique values for n = 1:max...

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How to order values within a cell array more efficiently??
Hi! orderedratings = cellfun(@(x) ratings{3,x}, ... cellfun(@(x) strcmp(x,ratings(2,:)), ratings(1,:), 'UniformOut...

12년 초과 전 | 1

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Function/method to truncate the fractional part of a number in Matlab
Hi! To get the fractional part you may use fractionalpart = x - floor(x) Try it with "x=pi" for example. And try it ...

12년 초과 전 | 0

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Printing specific lines to a text file
Hi! If you read line by line with textscan, you should use '\n' as delimiter. fid = fopen(FileName, 'r'); FC = textsc...

12년 초과 전 | 0

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Problem of generating 4 sub-images
Hi! What exactly is going wrong?

12년 초과 전 | 0

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How to read large data file in Matlab?
Hi! Is it a binary file or a normal text file? For text files you may use "fopen" and "fgetl" to read line by line. If you kn...

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