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Voss


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Answered
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...

2 days ago | 0

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Answered
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, ...

11 days ago | 1

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Answered
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...

16 days ago | 0

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Answered
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...

22 days ago | 0

Answered
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...

22 days 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, ...

22 days ago | 1

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Answered
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...

22 days 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...

23 days ago | 0

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

24 days ago | 0

Answered
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...

24 days ago | 0

Answered
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 =...

24 days ago | 0

Answered
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; ...

28 days ago | 0

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Answered
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 ...

28 days ago | 0

Answered
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...

28 days ago | 2

Answered
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...

29 days 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...

30 days ago | 2

Answered
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...

1 month ago | 0

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Answered
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)];

1 month 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);

1 month ago | 0

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Answered
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 ...

1 month ago | 1

Answered
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')...

1 month ago | 1

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Answered
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...

1 month 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 ...

1 month ago | 0

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Answered
I am taking two excel files with similar x value data and want to plot the y values of one of the plots with different colors based on if the second file reads 0 or 1.
warning off all unzip('Data1.zip') unzip('Data2.zip') data1 = readtable('Data1.csv'); data2 = readtable('Data2.csv'); g...

1 month ago | 0

Answered
is it possible to mark significance levels using heatmap?
As far as I know, there is no built-in option to conditionally alter the heatmap data labels, but what you can do is create a he...

1 month ago | 2

Answered
readmatrix collapses blanks/NaNs, but I want to keep those empty cells
Use 'EmptyLineRule','read' to keep the lines that are all-NaN. Using only that option, all sample files are read correctly: ful...

1 month ago | 0

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Answered
How to remove some xticklabels (but still keeping all the xticks)?
x = 1:100; y = exp(-0.1*x); plot(x,y) ax = gca; ax.XTick = 0:10:100; ax.XTickLabels(1:4) = {''};

1 month ago | 1

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Answered
Suppressing braces and single quotes of a string matrix
C = { ... ['V1 = 1.01' char(8736) '0' char(176) ' pu']; ... ['V2 = 0.92675' char(8736) '-5.7691' char(176) ' pu']; ......

1 month ago | 0

Answered
Why does pcolor adds a flat lines during a data gap instead of white space?
load FPDO.mat load E_log.mat load T_.mat T_ = T_lepi; The problem is that T_ and E_log are not monotonic: figure subplot(2...

1 month ago | 0

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Answered
How to plot the continuous linear graph of y(n) + y(n-1) + ... + y(1)
y = [2 -1 1 2 -1 -2 -1 2 3 -2 1]; plot(0:numel(y)-1,cumsum(y),'.-')

1 month ago | 0

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