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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...

etwa 13 Jahre vor | 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))); ...

etwa 13 Jahre vor | 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 ...

etwa 13 Jahre vor | 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'...

etwa 13 Jahre vor | 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...

etwa 13 Jahre vor | 0

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etwa 13 Jahre vor | 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...

etwa 13 Jahre vor | 1

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etwa 13 Jahre vor | 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|...

etwa 13 Jahre vor | 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

etwa 13 Jahre vor | 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...

etwa 13 Jahre vor | 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...

etwa 13 Jahre vor | 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...

etwa 13 Jahre vor | 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',',')

etwa 13 Jahre vor | 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...

etwa 13 Jahre vor | 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| ...

etwa 13 Jahre vor | 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...

etwa 13 Jahre vor | 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...

etwa 13 Jahre vor | 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...

etwa 13 Jahre vor | 1

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etwa 13 Jahre vor | 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...

etwa 13 Jahre vor | 0

mehr als 13 Jahre vor | 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...

mehr als 13 Jahre vor | 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...

mehr als 13 Jahre vor | 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 ...

mehr als 13 Jahre vor | 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...

mehr als 13 Jahre vor | 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...

mehr als 13 Jahre vor | 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...

mehr als 13 Jahre vor | 1

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Is it possible to grow cell matrices???
Cell arrays are essentially an array of pointers to other locations in memory where the actual data is held. Consequently, you ...

mehr als 13 Jahre vor | 0

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How do I know the method working behind ode15i?
Not sure if you have access, but... <http://www.degruyter.com/view/j/jnma.2002.10.issue-4/jnma.2002.291/jnma.2002.291.xml?fo...

mehr als 13 Jahre vor | 0

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