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Alan


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提问


Build a State Space model from identified Modal Parameters
I have run the modalfit example, "ModalParametersUsingLeastSquaresRationalFunctionMethodExample.mlx" I get the modal frequencies...

2 years 前 | 1 个回答 | 0

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Shift of focus when script creates window.
I have noticed a difference in behavior between R2018b and R2021b. When running a script with cells which creates a figure (und...

3 years 前 | 1 个回答 | 1

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已回答
How do I insert the output of a command as formatted text in a live script.
I think I worked out how to do it, but don't understand what's going on behind the sceens. If I make a normal script file with...

4 years 前 | 0

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提问


How do I insert the output of a command as formatted text in a live script.
Say I have a code line in a live script that generates output. disp(magic(4)) I'd like to be able to copy the ouput 16 ...

4 years 前 | 3 个回答 | 0

3

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提问


How do I clear the output from a list of .mlx files to reduce their size?
Live Editor files with their output figures etc. are much larger than those without. If I have a list of .mlx files, and want t...

4 years 前 | 1 个回答 | 0

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Creating a diagonal matrix with specific diagonal vectors
Assuming the output matrix is square and N by N, this is what I would do. Assume N=4, and I'd like to set the -1 diag to [1,2,3...

4 years 前 | 0

提问


How do I convert a complex ss model to a real ss model
If I have a state space model something like A = [-0.005+sqrt(2)*1i 0 ; 0 -0.005-sqrt(2)*1i]; B = [ -1+1i -1-1i]; ...

4 years 前 | 0 个回答 | 0

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已回答
Is there a function for argmax?
function y = argmax(x) [~,y] = max(x); end

5 years 前 | 0

提问


Centos 7 Install: Help not working right
I have just installed MATLAB 2019a over Centos for the first time. Help is not working as I expect. When I type help, I get hel...

5 years 前 | 1 个回答 | 0

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提问


arrayfun isreal fails - how to fix?
x = randn(8,1); z = fft(x); assert(isreal(z(1)),'First'); y = arrayfun(@isreal,z); assert(y(1),'Second'); In this snippet, ...

5 years 前 | 2 个回答 | 3

2

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已回答
how to constrain tfest to give minimum phase zeros
init_sys = idtf([NaN NaN NaN],[1 NaN NaN NaN]); init_sys.Structure.num.Minimum = 0; init_sys.Structure.den.Minimum = 0; ...

9 years 前 | 0

提问


how to constrain tfest to give minimum phase zeros
I am trying to apply the MATLAB ident toolbox function "tfest" to some data. It is returning a non-minimum phase zero, yet I get...

9 years 前 | 1 个回答 | 0

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提问


How to get good sys ids using n4sid
I have a test problem to try out the n4sid function in the System Identification Toolbox. I have simulated a simple SISO sec...

9 years 前 | 0 个回答 | 0

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Use a network license if it is available
I have worked out how to combine my Individual Standalone Named User license with a Network Concurrent User license from a serve...

9 years 前 | 0 个回答 | 0

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提问


Combining standalone license with network license. Using offline.
I would like to use my standalone copy of MATLAB with some Toolboxes for which we have a network license. I installed MATLAB usi...

12 years 前 | 1 个回答 | 0

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提问


Fonts that work correctly
I have been playing around, in MATLAB 2012b, with setting the fonts in a Figure. I have done this both under OS X and Windows 7,...

12 years 前 | 2 个回答 | 0

2

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已回答
MATLAB Editor Code Analyzer
Terminating the line with the comment %#ok suppresses the warning.

12 years 前 | 0

提问


MATLAB Editor Code Analyzer
For the following code x=1; save('x','x') x=2; the MATLAB Editor Code Analyzer warns "The value assigned to var...

12 years 前 | 4 个回答 | 0

4

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已回答
Finding the indices of the elements of one array in another
Thinking again, I realize that ismember is all I need [~,idx]=ismember(B,A) will do it.

13 years 前 | 6

已回答
Finding the indices of the elements of one array in another
Thanks for the three solutions. Here is a function to test all three. "method_1" wins as the most elegant and fastest, but the o...

13 years 前 | 6

提问


Finding the indices of the elements of one array in another
Given two vectors A and B, find the index, idx into A of the element of B so that A(idx)=B. Now I know there must be many ways...

13 years 前 | 7 个回答 | 5

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提问


Picking an FFT length
How could I find the most efficient FFT size greater than N? I know that with fftw "sizes that are products of small factors are...

13 years 前 | 1 个回答 | 0

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