Voss

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When plotting functions like 1/sin(x), how can I remove the vertical lines at the points of discontinuity?
x = linspace(-2*pi,2*pi,1000); y = 1./sin(x); figure % put NaNs where y changes sign: y_plot = y; y_plot([false diff(sign...

6 days ago | 0

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Assigning vectors to a list of names
vectors = "name"+(1:5) Given that string array of names, rather than creating a variable for each name, you can create a scalar...

15 days ago | 0

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Put a single legend on a 2D vector plot
[Note: I think you meant to transpose rayon_vect_x and rayon_vect_y in the first plot() call (so as to create 43 lines instead o...

18 days ago | 0

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How to plot the temperature unit which is small circle raised at the left of C upper case?
In order to have '\circ' be rendered as the degree symbol in a text object's String, the text object's Interpreter must be 'late...

19 days ago | 1

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Box charts move positions when applying the colour function
First I'll construct a table T similar to your table CB5_16B_FilteredData (except without the 'Salinity_Cla' column because for ...

20 days ago | 0

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How to save numerous variables from different files in a csv in a for loop
writetable(T, 'FinalUSVData.csv', 'WriteMode', 'append') https://www.mathworks.com/help/matlab/ref/writetable.html#btyc9ne-1_se...

21 days ago | 1

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Copy/Paste from ListBox at runtime
You can use the clipboard function. You'd have to implement any context menu or ctrl+c behavior. An example using a context me...

21 days ago | 0

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trying to make a new array that is the sum of the previous entry for an unknown length
history = [1 2 3 4]; One way: n = length(history); playVal = zeros(1,n); if n > 0 playVal(1) = history(1); for cou...

27 days ago | 0

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Confusion in matrix multiplication
spectrum_normalized is a matrix (I know that because subplot(2,4,2) contains many lines). Thus, to plot the one-sided spectrum, ...

1 month ago | 1

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Attempting to interpolate with interp2 and getting errors about the sample point vector?
% strains is defined on corners (0,0), (1,0), (1,1), (0,1), in that order strains = [1 5; 2 6; 3 7; 4 8] % points to interpo...

1 month ago | 0

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How do I merge two structs, where one field in the struct is itself a struct?
Setting up obj like you have (with clear obj at the top so that it doesn't contain anything left over from previous runs): clea...

2 months ago | 0

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Why is the Nyquist frequncy on the bode diagrams the same as the sampling frequency?
I assume you're referring to something like this plot. "sampling time of 0.5 seconds (2 Hz, or 6.28 rad/s)" There's the proble...

2 months ago | 0

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Answered
Change Line width and Line color in findchangepts function.
As I interpret the question, you want to plot the data in different regions with different line properties. If that's the case, ...

2 months ago | 1

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I need help creating the snake game in matlab for a personal project.
"Function definitions are not supported in this context. Functions can only be created as local or nested functions in code file...

2 months ago | 1

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Answered
Index exceeds array bounds at position 3
plot(vsine(begin(FREQ):begin(FREQ)+cycle(FREQ)-1,k),nsd(n,k,i,j)) Indexing nsd is the error, not indexing vsine. (nsd is the on...

2 months ago | 0

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Preventing factor oursite matrix when using the disp() function.
See <https://www.mathworks.com/help/matlab/ref/format.html format>.

2 months ago | 0

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Segmenting Data around an event
Active = [1 0 0 1 1 1 0 0 1] flashIndex = strfind(Active,[0 1])+1 % index of the 1 at the rising edge If you want to conside...

2 months ago | 0

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Hello, i receive this error, i am attempting to plot Td with sample h
h = 0:10; n = 1:6; p1 = 0.4; p2 = 0.6; Perhaps you meant Td = h.'.*((1-p1.^n-p2.*p1.^n))./(p2.*p1.^n) plot(h,Td) Or Td =...

2 months ago | 0

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How can I change the color between the two circles?
Change the third argument to the first fill() call. Example: % Parameters for the inner and outer circles radius_inner = 1; ...

2 months ago | 0

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Adjust Position of text in a png file created using uicontrol
As explained in the documentation for uicontrol properties, when Units is 'characters', Character width = width of the letter ...

2 months ago | 0

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Constructing a string with several index requirements
r2 = [0 30 60 90 120 150 180 210]; command = sprintf('ScanArray(0)(%d)=%g',[0:numel(r2)-1; r2]) The %g is to handle cases wh...

2 months ago | 2

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I need to combine two channels of cell arrays into a single matrix for processing. The two channels should be the same size but in some cases not - how can I change the size?
Assuming that channelData is a 2-element cell array, that channelData{1} and channelData{2} are both column vectors, and you wan...

2 months ago | 0

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Answered
Problem Using Nested For Loops
No loops required: X = [1 2 3 4 5; 6 7 8 9 10; 11 12 13 14 15; 16 17 18 19 20] V = [-10; 20; -10; 20] X = X...

2 months ago | 2

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Format printing problem with doubles printing in rows when I am looking for columns.
fprintf prints the values in the order you supply them; in this case that means all elements of radius are printed then all elem...

2 months ago | 0

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Re-index a vector based on the indices of another vector
[ism,idx] = ismember(B,A(:,[1 2 3]),'rows'); assert(all(ism)) B_new = [B A(idx,4)];

2 months ago | 0

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Answered
Zero pad using piecewise.
"I need ... that all values of V that are above 0 are set to 0." V(V > 0) = 0; or V = min(V,0);

2 months ago | 0

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Length command giving rise to array indices must be positive integers or logical values error
The code creates a variable called "length" when this line executes: length(1)=Cr_atoms(i,1)+dx*a; % Angstroms Any subsequent ...

2 months ago | 1

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readtable produces apparent gibberish when reading csv file
Looks like readtable decides the delimiter for a.csv is '_' (underscore). I don't know why. opts = detectImportOptions('a.csv')...

2 months ago | 1

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Use vpasolve to solve iterations of the same function when the number of iterations is N
One way is to define a function that takes F, N, and z as arguments and iterates N times to construct F(F(...F(z)...))-z. Then c...

2 months ago | 0

Answered
I am trying to generate code for plotting anti fractals and getting error
Picking z0=c instead of z0=0, correcting the definition of R_base to have 2/theta instead of 2*theta, decreasing the max number ...

2 months ago | 0

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