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deleting part of a list of strings
Assuming you have an n-by-1 cell array of strings to start with (and you'd like an n-by-1 cell arrays of strings at the end), he...

約13年前 | 0

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using vectors as inputs for a function
_"this is not working"_ What is the error message you're getting? Is there any reason to have |HestonCallPriceF| be a functi...

13年以上前 | 0

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Selectively set parameters to fit to 0 in lsqnonlin
Have you tried using the bounds to fix the parameters to be zero? You could set the lower bound to 0 and the upper bound to |re...

13年以上前 | 0

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Conditional cumsum - how to create?
There may be better ways, but this works: d = [true;diff(input)<0]; idx = find(d); output = input(idx(cumsum(d))); ...

13年以上前 | 2

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Reading specific data from a txt/csv file
If you have a recent version of MATLAB, you can use the Import Tool to do it interactively, then generate the code. Or you can ...

13年以上前 | 1

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For loop iterations random noise
|Phi_2| is |Phi_1| plus a *single* random value. Without delving into the details of the ensuing math, I'm going to guess that'...

13年以上前 | 0

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how suppress output from a user defined function ?
I don't understand why the values are being displayed in the first place. As long as everything ends with a semicolon, there sh...

13年以上前 | 0

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13年以上前 | 0

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How to create variability charts?
*EDIT*: <http://www.mathworks.com/matlabcentral/fileexchange/40878 file added to MATLAB File Exchange>. Share and enjoy! Bas...

13年以上前 | 1

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13年以上前 | 0

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How to get distance & angle of a point from the center of a minor axis ??
Do you have the coordinates of the point and the center (in standard Cartesian coordinates)? If so, just use |norm| and |atan2|...

13年以上前 | 1

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adding varied length vectors to a new matrix sequentially
Sounds like a job for a cell array: x = cell(n,1); for k = 1:n vec = ...; x{k} = vec; end

13年以上前 | 1

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Remeshing points on curved line
If I understand the problem correctly, you have an array of |m| monotonically increasing, but unequally spaced, values. You wan...

13年以上前 | 0

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Positioning using azimuth and elevation information
You might be able to use some Mapping Toolbox functions to convert between various Earth coordinate systems. However, not knowi...

13年以上前 | 1

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Problem in kmeans, image segmentation algorithm.
You can do ... = kmeans(...,'start',M); where |M| is a matrix of the initial locations of the centers (each row of |M| i...

13年以上前 | 1

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How use csvwrite to write with a new blank line each time
|csvwrite| doesn't have an append option, but |dlmwrite| does: dlmwrite('file.csv',str,'-append','delimiter',',')

13年以上前 | 0

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How can I create a matrix to store my data?
The loops for |z| aren't going to achieve anything because |phi| and |alpha| are scalars, so all you're really doing is |z = t_s...

13年以上前 | 0

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Can't Figure out where I have gone wrong, could use some help please
It looks like what you're trying to do is index into the correct row and column of |C|, based on the input strings for |gender| ...

13年以上前 | 1

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Translate values from plot to another
It sounds a bit like you have two measurements that should be the same, except for a scaling factor that you don't know. Is tha...

13年以上前 | 0

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How to set the bars wider apart?
The numbers currently go pretty much right across the width of the figure, so there's not a whole lot of real estate you can gai...

13年以上前 | 0

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Can you use ODE45 in a for loop?
Given that |ode45| is a variable step solver, you don't know how many |t| and |x| values you'll get each time, so the simplest s...

13年以上前 | 1

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13年以上前 | 0

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Warning: Explicit solution could not be found.
|solve| is trying to do an analytic solve, which turns out to be too hard to do. But everything in your equations are defined n...

13年以上前 | 0

14年弱前 | 1

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How can I simulate data from an interval which needs to satisfy a constrain/condition?
Do you need to generalize this? Because for this case you could just do: x = 20*rand(75,1); y = x; y(1:25) = 100 - 2...

14年弱前 | 0

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How do we plot a graph with non available values for y without breaking the continuity?
You can interpolate to fill the missing values, as Azzi suggests, or simply remove all the NaNs: idx = ~isnan(M(:,2)); x...

14年弱前 | 2

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How do I import multiple csv files?
If the files all have the same format, and you have access to a recent version of MATLAB (12b would be nice...), use the Import ...

14年弱前 | 0

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sum elements of matrix if...
As far as I can figure out what you're doing, this is equivalent: CRows = max(B(:)); C=NaN(CRows,10); for i = 1:CRows...

14年弱前 | 0

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How to present two versions of instruction text at random?
I see several problems. Is |seq| a cell array of strings or a cell array of cells (or something else)? Either way, respma...

14年弱前 | 0

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How do you replace vector values?
What you have inside the |while| loop is basically what you need: if A(n)<1 A(n)=A(n)+20; else A(n...

14年弱前 | 1

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