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Jonathan Epperl


2012 年からアクティブ

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Professional Interests: Control Theory, Dynamical Systems, Thermoacoustics

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  • 3 Month Streak
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" requested the Runtime to terminate it in an unusual way"
Gave it another try, this time with Matlab 2013b and Virtu MVP Pro Core: 3.0.109.29300 (The newest version at the moment)... ...

約10年 前 | 0

質問


Copying option structs by value instead of reference
Here is an example using |bodeoptions|, but this is probably a much more basic problem: % Create a struct with default valu...

10年以上 前 | 2 件の回答 | 2

2

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Multi-dimensional State-Space model in Simulink
If you have the state-space description of you 3 |x| 3 system, why don't you just enter it into the parameters of the state-spac...

11年弱 前 | 0

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Subplot titiles in one command
Collect your titles in a cell array: titles = {'One','two','three'; 'Eins', 'Zwei', 'Drei'; 'Ichi', 'ni', 'san'} or what...

11年以上 前 | 2

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How to add figure title and axes labels for multiple plots?
Whatever you want to have on every axis, just move it inside the |for| loop, like so % if true % what is the point of this...

11年以上 前 | 2

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ODE for system of non linear, second order differential equations
I'm not entirely sure I understand your notation, but assuming by |dx5| you mean the first derivative of |x5|, and by |ddx5| you...

11年以上 前 | 0

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Problem with the product of complex numbers
Probably |simplify(Zeq)| will do that.

11年以上 前 | 0

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How to establish all possible combinations of 4 variables out of 6 ?
Sounds like you are looking for |nchoosek|: <http://www.mathworks.com/help/matlab/ref/nchoosek.html>

11年以上 前 | 0

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changing the axis of a plot in a way that the data series starts at x=0 at a point at one point on the y-axis and ends on the right end of the plot
This is still not a working example, the variable |VIXdate| is obviously unknown to us... So the dirty way again: ytix =...

11年以上 前 | 0

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How to look at the source code for MATLAB's built-in sort function?
If the source code is available, then edit sort will do the job. I can't check right now, but you go ahead and try tha...

11年以上 前 | 6

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changing the axis of a plot in a way that the data series starts at x=0 at a point at one point on the y-axis and ends on the right end of the plot
axis tight

11年以上 前 | 0

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Evaluate a function in a grid
Does that code run for you? I'm sure it doesn't, you should have mentioned that, along with the error messages... Anyway, the...

11年以上 前 | 0

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how to zoom in on specific overlapped data points and keepin the others ones inside the grid range
Okay, either you're not explaining well, or the solution is very simple: If the data doesn't have the same dimension, then make ...

11年以上 前 | 0

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How to plot node numbers using matrix of nodes's coordinates?
And |text()| doesn't give you the results you'd like? E.g. k = 1:30; [B,XY] = bucky; gplot(B(k,k),XY(k,:),'-o') axis squ...

11年以上 前 | 1

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removing blackness in ribbon plot
The black regions you are seeing are the gridlines along the 678 rows of your matrix. My suggestions: Save the handles to the...

11年以上 前 | 1

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Exporting matrix into an Excel file
From the documentation on |xlswrite|: _A — Data to write matrix | cell array_ _Data to write, specified as a two-dimension...

11年以上 前 | 0

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Plot 2 arrays in matlab?
You need to sort you |a| array, then permute |b| the same way. Concretely: help sort % Then you'll understand why: [a...

11年以上 前 | 1

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Grouping Plot and Fill in Same legend object
Okay, I hope, this helps you: % -- generate some dummy data t = linspace(0,1); s1 = sin(5*t); s2 = 3-cos(5*t); s3 = s1....

11年以上 前 | 2

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What is a function that takes the diagonal of a matrix (N) and converts the diagonal to all zeros.
Assuming |m| is square (because else you'd have to define the diagonal for me): diagzero = @(m) m - diag(diag(m));

11年以上 前 | 0

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Text in 3D plot
How about adding a few whitespaces to your string, like so: text(x1(i,1),y1(i,1),z1(i,1),[' ' ... num2str(time(i,1))],'H...

11年以上 前 | 0

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How to plot this 3d graph?
Plot the whole graph with |mesh| or |surf|, then |hold on|, then use |plot3| to plot the lines you'd like to emphasize: x ...

11年以上 前 | 0

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Anonymous functions not acting as they should?
I think the mistake happens here: fmacexp=@(x,n) macexp(n)+((x^n)/factorial(n)); The value of |macexp| is now "hardwired...

11年以上 前 | 1

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best way to include mesh plot in latex
Here's what I do: I export the figure with |export_fig| ( <http://www.mathworks.com/matlabcentral/fileexchange/23629-exportfig>...

11年以上 前 | 0

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Output a square wave with tuneable frequency and phase delay
Showing us some of your prior attempts would certainly help, since we then could avoid suggesting stuff you already tried. An...

11年以上 前 | 0

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Making a magic square matrix singular
The row-sum, column-sum and diag-sum of a magic square are all the same, and the magic square uses all the integeres |1:n^2|. Th...

11年以上 前 | 2

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Why doesn't "solve" work on my MLab(student)
Because your version of Matlab does not include the Symbolic Math Toolbox. ver and you'll be shown all installed toolbo...

11年以上 前 | 0

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Taking a derivative of a function and plotting it over a specified length
Are you assigning the variable |x| before you call |syms x|? Probably, and that's probably the problem. If you really want fu...

12年弱 前 | 0

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Add world map background to contour plot
I hope you're still interested in an answer to this question, here's what I can offer: lon = 30:2.5:150; lat = 55:-2.5:-5;...

12年弱 前 | 1

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how to remove from all fields in the same position of a struct?
What you did should work, my only idea about a possible error: are your |samples| "fat" or "tall"? If they are fat, i.e. |n| col...

12年弱 前 | 0

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*why* easter egg in MATLAB
S = evalc('why')

12年弱 前 | 1

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