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How to divide a line into several parts and obtain the coordinates?
This roughly what you're looking for? for i= 1:number_of_iterations B(i) = Bi + i*l; end

más de 11 años hace | 0

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Why cell arrays and structure consume extra memory?
The memory for a structure needs to contain: The size of the structure. The names of the fields. Something that says "He...

más de 11 años hace | 3

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'Decimal Fixed Point Scaling' To 'Binary Fixed Point Scaling' Conversion
floating = 10.72; % this is a floating point value (32 or 64 bit value) scaled = floating * 10; %floating point value (32 or ...

más de 11 años hace | 0

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How to do noise analysis of input signal?
You should figure out "what flicker noise means" - I would take (temporal) noise to be the RMS variation from the expected value...

más de 11 años hace | 0

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Renaming Imported Variable with Initally Unknown Name
eval or setfield can do something for you I think You would do better to change your code that reads the files to not name th...

más de 11 años hace | 0

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Why the trigonometry results are different
That's likely just the effect of small numerical errors. After all, according to matlab, 1E300 + 1 - 1E300 = 0, and 1...

más de 11 años hace | 0

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why we will get voltage spike across inductors
Inductors get voltage spikes across them when a voltage is suddenly applied to it. Its what they do. The voltage on an induc...

más de 11 años hace | 0

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Quad error, simple function,
I guess that you've missed off declaring a few operations as elementwise operations, and it's getting out a square matrix instea...

más de 11 años hace | 0

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variables into a data structure
OriginalData.Name = Name; OriginalData.Em = Em; OriginalData.Ex = Ex; etc. etc.

más de 11 años hace | 0

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Polynomial fitting with multiple variables and unequal matrix length
It kinda depeneds how those variables interact. A "simple" method is to use the polyfit function to get a suitable relations...

más de 11 años hace | 1

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Is there a a function/code which can make the darker bits darker and the lighter bits lighter?
Yup. Calculate the difference from the image's mid level (128 probably, but this depends on how you're dealing with the image...

más de 11 años hace | 0

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Storing results from a for-loop in a vector of zeros
Indexing in matlab is done from a base of _one_. So, A(3479) = 1; will change the 3479th element of A to 1. You ne...

más de 11 años hace | 0

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gca function in matlab
gca returns the handle to the current axis. - it generates one if there is no current axis.

más de 11 años hace | 1

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How to Check dimension mismatch of an element?
numel(q) < 3

más de 11 años hace | 0

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Trouble plotting multiple graphs
Theres something wrong with your sums. By hand, calculate D, for A = 0.1 and M = 0 & 100. You ought to see that D is negative...

más de 11 años hace | 0

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I have a data of binary format. i.e the data is stored in .dat file format. How to open these files in MatLab and then ve to find the pentad average of these data.
What you need to do is open the dat file, read out the data, then process that data. fid = fopen(filename,'r'); % open th...

más de 11 años hace | 0

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How can a save to a NEW excel file
xlswrite will generate new files if the filename you give it doesn't already exist. delete(filename) will delete an existing ...

más de 11 años hace | 0

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exporting listbox to excel while adding spaces in between variable names
Its playing with cell arrays: Variable_Name = {'One','Two','Many'}; chosen_variable_names = Variable_Name(index); Output...

más de 11 años hace | 0

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index must be a positive integer or logical.
The issue is that, on the second time through the loop, i = 1.01, you need to make i into an integer. I suggest having, ...

más de 11 años hace | 0

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How to feed a function's output later on?
I reckon this will do it: function z = f(x,y) persistent old_x old_y old_z if isempty(old_x) old_x = x; old_...

más de 11 años hace | 0

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Compare two matrices in Matlab
answer = matrix2(matrix1 == number_of_interest)

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Converting a matrix of points to a list of x & y coordinates
Index_of_As = find( matrix ); [down along] = ind2sub(size(matrix),Index_of_As);

más de 11 años hace | 0

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find duplicate values, sort them and get their indices
This might be what you're looking for: Amplitude(Position == 15 & Ray == 1) Ot maybe: RayNumbers = Ray(Position == 15...

más de 11 años hace | 1

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help with error in coding
Change D{1,m}(n,:) = B; To: D{1,m}{n} = B;

más de 11 años hace | 0

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How to simplify a code to remove a for loop and make it faster?
One of these ought to do it: B = C' * D; or B = C' * D'; You might need to transpose B to get what you want.......

más de 11 años hace | 0

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logical operators in if statement
Your loop's final execution (barring errors) will have x = length(list) list(x+2) is liable to throw an error when x + 2 is g...

más de 11 años hace | 0

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How to bring data from variables(workspace tab) into gui?
I can think of four ways to skin this cat: 1. Declare the variables as global in all workspaces you want access to them. (I'...

más de 11 años hace | 0

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Interesting confusion in matlab - Number format
Double format numbers are only accurate to about 15 significant figures. When you do sums, you can get errors at the 15th signif...

más de 11 años hace | 0

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xlsread merge & center and highlight in red
Ok, theres three things you have to do: 1. Determine the visual basic code that excel uses to achieve that. Record a macro ...

más de 11 años hace | 0

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How can I delete repeated elements? (not unique!)
output = [input(1) input(find(diff(input))+1)]

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