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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

11년 초과 전 | 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...

11년 초과 전 | 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 ...

11년 초과 전 | 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...

11년 초과 전 | 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...

11년 초과 전 | 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...

11년 초과 전 | 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...

11년 초과 전 | 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...

11년 초과 전 | 0

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

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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...

11년 초과 전 | 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...

11년 초과 전 | 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...

11년 초과 전 | 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.

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

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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...

11년 초과 전 | 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...

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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 ...

11년 초과 전 | 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...

11년 초과 전 | 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, ...

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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_...

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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);

11년 초과 전 | 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...

11년 초과 전 | 1

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

11년 초과 전 | 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.......

11년 초과 전 | 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...

11년 초과 전 | 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'...

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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...

11년 초과 전 | 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 ...

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

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