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Francesco


18 total contributions since 2012

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Question


ode23t and symplectic Stormer-Verlet integration
I have red in an answer related to simulation of particle motion in magnetic fields that the only ode solver ensuring energy con...

más de 7 años ago | 0 answers | 0

0

answers

Question


Modulation transfer function (MTF)
Hi, I'm going to evaluate the MTF of an imaging system. I have a MatLab code and it works fine and my question is not related...

más de 7 años ago | 1 answer | 0

1

answer

Question


Help with ion beam with many charge states
I'm simulating an ion beam with different charge states passing through two pinholes. I'm using random angles, from an external...

casi 8 años ago | 0 answers | 0

0

answers

Answered
Montecarlo method for particle simulation
My beam is moving along z axis for i=1:n K_ion=normrnd(Ein,Ein/10); %energy distribution ...

casi 8 años ago | 0

Answered
Montecarlo method for particle simulation
I think I'm making the whole thing too complicate... I give an initial energy Ein and n=1000 particles. the for loop is: ...

casi 8 años ago | 0

Answered
Montecarlo method for particle simulation
I was thinking to do something similar. My concern is that I have two pinholes (the second one is 10cm further) Do I need to so...

casi 8 años ago | 0

Question


Montecarlo method for particle simulation
Hi all, I have to simulate a number of particle with a initial random velocity along z axis emitted by a point source and dis...

casi 8 años ago | 4 answers | 0

4

answers

Answered
Motion of Particle in a spatially varying electromagnetic field
I have found what was wrong in my code, it is able to track a particle all the way long from the source to the detector and insi...

casi 8 años ago | 0

Question


Motion of Particle in a spatially varying electromagnetic field
I have to simulate the motion of particle in an electromagnetic device which deflects particle using electric and magnetic field...

casi 8 años ago | 1 answer | 0

1

answer

Question


second order differential equation with variable coefficient
Hi, As wrote in a previous question I have to solve the equation: d^2x/dt^2= (q/m)(E/v^2) I have wrote the following code...

casi 8 años ago | 0 answers | 0

0

answers

Question


Differential equation.
I have to solve two differential equation and I have used the following code: inits='y(0)=0, Dy(0)=0, x(0)=0, Dx(0)=0'; ...

casi 8 años ago | 0 answers | 0

0

answers

Question


Particle motion in electromagnetic field
I have to write a MATLAB script to simulate the motion of particle in a spectrometer using the differential equations of motion....

casi 8 años ago | 2 answers | 0

2

answers

Answered
Use pixel informations to create a grid on images
I managed to improve the graphic aspect, now I was wondering if it is possible to make the grid with rounded shape and a fixed r...

casi 8 años ago | 0

Answered
Use pixel informations to create a grid on images
I managed to get the central pixel coordinates [X0,Y0] (using ginput) and the distance between two points (using imdistline). I...

casi 8 años ago | 0

Answered
Problem with a plot
I tried with this code, but nothing change, whati is wrong? set(gca,'Box','off'); axesUnits=get(gca,'Units'); axesPosit...

casi 8 años ago | 0

Answered
Problem with a plot
The code I used for plotting data is: figure(1) hplot = plot(.... ) xlabel(gca, 'Deflessione magnetica [m]'); % label l...

casi 8 años ago | 0

Question


Use pixel informations to create a grid on images
Hi, I have an picture of graph paper I have to use as a reference. To be clear I have to use the grid as calibration for an ...

casi 8 años ago | 3 answers | 0

3

answers

Question


Problem with a plot
Hi all, I'm working on a simulation for some misurement with a Thomson spectrometer and I'm having some issue with the plot l...

casi 8 años ago | 4 answers | 0

4

answers