Cillian

Lund University

自 2012 起处于活动状态

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统计学

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20 个提问
1 个回答

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提问

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...

12 years 前 | 1 个回答 | 0

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提问

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? ...

13 years 前 | 1 个回答 | 0

1

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提问

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,...

13 years 前 | 1 个回答 | 0

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提问

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

13 years 前 | 1 个回答 | 0

1

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提问

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....

13 years 前 | 0 个回答 | 0

0

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提问

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...

13 years 前 | 0 个回答 | 0

0

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提问

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...

13 years 前 | 0 个回答 | 0

0

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提问

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...

13 years 前 | 1 个回答 | 0

1

个回答

提问

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...

13 years 前 | 1 个回答 | 0

1

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提问

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(...

13 years 前 | 1 个回答 | 0

1

个回答

提问

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...

13 years 前 | 0 个回答 | 0

0

个回答

提问

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...

13 years 前 | 2 个回答 | 0

2

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提问

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...

13 years 前 | 1 个回答 | 0

1

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提问

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...

13 years 前 | 2 个回答 | 0

2

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已回答
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. ...

13 years 前 | 0

提问

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...

13 years 前 | 2 个回答 | 0

2

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提问

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) ...

13 years 前 | 0 个回答 | 0

0

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提问

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 .^ ...

13 years 前 | 2 个回答 | 1

2

个回答

提问

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 ...

13 years 前 | 2 个回答 | 0

2

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提问

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...

13 years 前 | 2 个回答 | 0

2

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提问

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...

13 years 前 | 1 个回答 | 1

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