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Alan


Last seen: 6 jours il y a |  Actif depuis 2011

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

plus d'un an il y a | 1 réponse | 0

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Question


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...

plus de 2 ans il y a | 1 réponse | 1

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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...

plus de 3 ans il y a | 0

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Question


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 ...

plus de 3 ans il y a | 3 réponses | 0

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Question


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...

environ 4 ans il y a | 1 réponse | 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...

plus de 4 ans il y a | 0

Question


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]; ...

plus de 4 ans il y a | 1 réponse | 0

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

plus de 4 ans il y a | 0

Question


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...

presque 5 ans il y a | 1 réponse | 0

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Question


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, ...

presque 5 ans il y a | 2 réponses | 3

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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; ...

plus de 8 ans il y a | 0

Question


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...

plus de 8 ans il y a | 1 réponse | 0

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Question


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...

plus de 8 ans il y a | 1 réponse | 0

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Question


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...

environ 9 ans il y a | 1 réponse | 0

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Question


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...

plus de 11 ans il y a | 1 réponse | 0

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Question


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,...

presque 12 ans il y a | 2 réponses | 0

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A résolu


Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

presque 12 ans il y a

A résolu


Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

presque 12 ans il y a

A résolu


The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

presque 12 ans il y a

A résolu


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

presque 12 ans il y a

A résolu


Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

presque 12 ans il y a

A résolu


Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

presque 12 ans il y a

A résolu


Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

presque 12 ans il y a

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

presque 12 ans il y a

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

presque 12 ans il y a

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

presque 12 ans il y a

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

presque 12 ans il y a

A résolu


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

presque 12 ans il y a

A résolu


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

presque 12 ans il y a

A résolu


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

presque 12 ans il y a

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