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Cillian


Lund University

Actif depuis 2012

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Publish Problem in PDF
Hello. I have tried to publish my work, but I just get out in the output just a small part of my work. No figures is not eith...

presque 12 ans il y a | 1 réponse | 0

1

réponse

Question


Cells break disappear - Why?
Hello. Sometimes when I have my code in different cells breaks, the cells breaks suddenly disappear, and I have no clue why? ...

presque 12 ans il y a | 1 réponse | 0

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réponse

Question


Calling two m.files
Hello. Perhaps I have asked this question before, but this time, I would be more specific what I meant. I have one m.file,...

presque 12 ans il y a | 1 réponse | 0

1

réponse

Question


Create a startpoint in form of a ring on my graph
Hi! I wonder how to create a marker in form of a "ring/circle" on my startpoint a graph? Thanks Cillian

presque 12 ans il y a | 1 réponse | 0

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réponse

Question


ode45 - to a matrix
Hello. I got another problem again. I want to get what ode45 returns to U:s first column of x-values, y-values and z-values....

environ 12 ans il y a | 1 réponse | 0

0

réponse

Question


ODE-matlab
Hello. I want to solve this equation system: x ̈ = q ( y ̇ B z − z ̇ B y ) m y ̈=−q (x ̇Bz−z ̇Bx) m z ̈= q (x ̇By −y ̇Bx...

environ 12 ans il y a | 1 réponse | 0

0

réponse

Question


Publish into PDF in Matlab
Hi. When I tried to publish my work into PDF, the whole code is not been displayed for some reason. I really don't know what...

environ 12 ans il y a | 1 réponse | 0

0

réponse

Question


Error problem.
Hi. I got the error; "The value assigned to variable 'U' might be unused". I have tried to change the letter 'U' to somethin...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


How to call m-files
Hello. I want to call m-files to a another m-file. More specific, I have two m.files that I want to call from another m-fi...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


Matrix consist of letters
Hello. I really want to know if it is possible to fill a matrix with x,y and z. Here is my attempt so far: >> X=zeros(...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


Eulers - Backwards
Hello everyone. If I want to write Euler's (Backwards) y(tj)=y(tj-1)+h*f(tj,y(tj)) on the formula x=g(x). then, what shoul...

environ 12 ans il y a | 1 réponse | 0

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réponse

Question


Changes in vectors
Hello again. This is perhaps more a logic question, If I got measure points at the time t is wrong, and the correct ones i...

environ 12 ans il y a | 2 réponses | 0

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réponses

Question


Volterra-Lotka - questions
Hi. I got problem with a interesting code here. If I got: u'(t)=a*u(t)-bu(t)u(t) and v'(t)=-cv(t)+dv(t)v(t) 1. What are...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


Fixed point (matematice)
Hello. I have attempt to code a fixed point in MATLAB. But I don't know if this correct, but I think it works. function s...

environ 12 ans il y a | 2 réponses | 0

2

réponses

Réponse apportée
Error using dot(A,B) - size/dimension problem
sorry that I haven't been so clear abut this. here is the code: function s = mirror(x,A,B,C,D) % x is a point in the room. ...

environ 12 ans il y a | 0

Question


Error using dot(A,B) - size/dimension problem
Hello. I get the error "Error using dot (line 15) A and B must be same size." (Which is dot(A,B) ) I have tried numbers of t...

environ 12 ans il y a | 2 réponses | 0

2

réponses

Question


Finding Primary voltage & the Main stress direction.
I try to find "primary voltage" and "the main stress direction." (I think they call, or elese it could be a bad translation) ...

environ 12 ans il y a | 1 réponse | 0

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réponse

Question


Arithmetic in Matlab
Hello. This is a very simple question, and perhaps very basic, but I just want to make it clear for me. When do I use .^ ...

environ 12 ans il y a | 2 réponses | 1

2

réponses

Question


How to use Semilogy in MATLAB
Hello. I want to make a graph with help of 'semilogy', the graph should display the Condition numbers grows with n. This ...

environ 12 ans il y a | 2 réponses | 0

2

réponses

Question


Build matrix with other matrices.
Perhaps this is a simple question, but I need an answer. If I want to build a 6x8 matrix with help of 6 other matrices, is t...

environ 12 ans il y a | 2 réponses | 0

2

réponses

Question


How to mirror image in MATLAB.
I really need help with the task below, can someone give a hint, just how to start solving this problem? Write a progr...

environ 12 ans il y a | 1 réponse | 1

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réponse