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Eliraz Nahum


39 2018 年以降の合計貢献数

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Polynomial Fitting of 3 variables
hello and thanks for answering. Since you were so generous and your answer is incredibly informative, I am sure you may answer ...

2ヶ月 前 | 0

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Polynomial Fitting of 3 variables
Hello everyone, I would like to know if there is any option of fitting a polynomial function to a set of n points. I mean su...

2ヶ月 前 | 2 件の回答 | 0

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質問


problems with using the laplace transform
hello everyone, I am trying to plot a system response (y(t)) to an input of u(t)=t*1(t). The laplace transform of u(t) is U(...

12ヶ月 前 | 1 件の回答 | 0

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step response of a signal
hey, how can I insert a step signal type which isn't equal to one, but of a type const*1(t). the command step(sys) gives the...

約1年 前 | 1 件の回答 | 0

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using the transfer function for further calculation
hey I extracted the transfer function from my state space definition. now I want to multiply it (transfer function) with my (c...

約1年 前 | 0 件の回答 | 0

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wrong outcomes when using lsim and step function
hello everyone, I am trying to define a 2nd order system y''(t)+5y'(t)+6y(t)=15u(t) in the state space and get outcomes (y) for...

約1年 前 | 0 件の回答 | 0

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seeing the expression of the transfer function
hello, I have a system that is defined in the state space by the command - sys=ss(A,B,C,D); I am trying to extract the Transfe...

約1年 前 | 0 件の回答 | 0

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more convenient way to present a result of a symbolic calculation
for some reason I don't get the desired result. the result I got: <</matlabcentral/answers/uploaded_files/139563/comparison%...

約1年 前 | 0

質問


more convenient way to present a result of a symbolic calculation
hello everyone, is there a more convenient/elegant way of presenting the result? I am adding the code: clear all clo...

約1年 前 | 2 件の回答 | 0

2

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質問


defining a matrix that can contain symbolic variables
hello I have a matrix that have 5 columns that contain 0/1 in each cell and I am interested to add a column that contains expre...

約1年 前 | 1 件の回答 | 0

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how to predefine a matrix with one unknown dimension
Thank you all. Both ways are good and I even learned some new elegant things.

約1年 前 | 0

質問


how to predefine a matrix with one unknown dimension
hey everybody I am interested in predefining a matrix with unknown dimension. I know that the matrix should have 15 rows (numb...

約1年 前 | 3 件の回答 | 0

3

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using the trapz function
according to <https://uk.mathworks.com/help/matlab/ref/trapz.html> I can only give the trapz function the y values of y(x). That...

約1年 前 | 0

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質問


using the trapz function
hey, I am trying to understand how the trapz works. I am trying to compare its results to an exact solution, but for some reaso...

約1年 前 | 2 件の回答 | 0

2

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a problem while using an anonymous function
hello, I can't understand what's wrong. I will appreciate any help. I have a problem while trying to using the integral fun...

約1年 前 | 2 件の回答 | 0

2

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mixing randomly existing values in a vector
thanks a lot

約1年 前 | 0

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mixing randomly existing values in a vector
hello I have a vector of 10 components - [1 1 1 1 1 1 0 0 0 0] I want to randomly (a uniform distribution is preferred) mixing...

約1年 前 | 2 件の回答 | 0

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2 coupled second order equations
Thank you all for your answers. I read each one and learned a lot.

約1年 前 | 0

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problem figuring out 2 different solutions
thank you very much!!! you have no idea how you helped us.

約1年 前 | 0

質問


problem figuring out 2 different solutions
hello everyone, my friend and I have to hand out our HW today, and can't understand why after going over and over again on ou...

約1年 前 | 2 件の回答 | 0

2

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2 coupled second order equations
Sorry guys but I still can't understand if the code I wrote os feasible...

約1年 前 | 0

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syntax error with using the ode45 function
first of all, thank you for replying. by the way, I am trying to learn Matlab by myself and not an experienced user of it. s...

約1年 前 | 0

質問


syntax error with using the ode45 function
<</matlabcentral/answers/uploaded_files/134132/error_message.JPG>> hello, I can't understand what I am doing wrong. the m...

約1年 前 | 2 件の回答 | 0

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質問


2 coupled second order equations
Hello everyone, I have a problem of 2 coupled second order equations of the form that is described in the photo I attached. By ...

約1年 前 | 3 件の回答 | 0

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error in using the sum function
I am getting an error I can't understand. I attached the code and a photo. thanks! clear all close all clc m...

約1年 前 | 2 件の回答 | 0

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step by step running of matlab
thanks

約1年 前 | 0

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finding all the maximum/minimum and their corresponding x values
hello I want to know how I can find all the max values (even if there are many same maximums, like [1 2 3 6 6 6]) of a vector a...

約1年 前 | 1 件の回答 | 0

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step by step running of matlab
hello, is there a way of running matlab, so I can see each step it does. I would like to point out that I want to see any actio...

約1年 前 | 2 件の回答 | 0

2

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solving a second order linear differential equation
thank you very much... sometimes it's not about the code, but the mathematics :-)

約1年 前 | 0

質問


solving a second order linear differential equation
hello everybody, I was trying to solve a simple pendulum second order linear differential equation of the form y''=-(g/l)*sin(y...

約1年 前 | 2 件の回答 | 0

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