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zina shadidi


Last seen: 5 Monate vor |  Aktiv seit 2012

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Professional Interests: computational physics, interatomic displacements, medical physics

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how to plot the imaginary part of an array numbers as a minus y-axis data
in developing a matlab code I need to plot the imaginary part of the frequency range in the negative y-axis range . the real p...

mehr als 3 Jahre vor | 0 Antworten | 0

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Frage


Finite Difference Time Domain with multi materials
This is the finite element time domain for one barrier I want to add a barrier , the loop was doubled, But I can not see the e...

mehr als 3 Jahre vor | 0 Antworten | 0

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How to fix legend error??
Hi my code is running well but I have a legend error when I write 'legend('Curve Name')' it appears only the first one (Wa...

fast 4 Jahre vor | 1 Antwort | 0

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Frage


problem with numerical integration
I have problem with integration in the folowing code at the last line %%%%%%%%%%%%%%%%%%%%%%%%%% % Phonon dispersion relation ...

fast 4 Jahre vor | 1 Antwort | 0

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Frage


import with Excel problem
This code can not import an Exel file function TransferMatrix %------------BEGIN USER INPUT PARAMETERS SPECITIFCATION------...

etwa 4 Jahre vor | 1 Antwort | 0

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Frage


delete zero elements from vector
Hi I have k (1,600) size, it contain zeros at 451-600 elements. I want to delete these zero elements. At the end of this ve...

mehr als 4 Jahre vor | 2 Antworten | 0

2

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Frage


extending matrix with numbers (not zero)
In the folowing code; I have error Index in position 1 exceeds array bounds (must not exceed 4). Error in Untitled1111111 (li...

mehr als 4 Jahre vor | 0 Antworten | 0

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is for loop eating my data :)
In the folowing code, the plot is empty .I think that my data is overlapping. why i have an empty plot , and how can i fix i...

mehr als 4 Jahre vor | 1 Antwort | 0

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how to fix this code in calling function
%% Call the transfer matrix R, T, A calculator function and build spectra %%%may be need to % Convert angle to radians [n1]=xl...

mehr als 4 Jahre vor | 1 Antwort | 0

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Frage


how can i put the jreftran function in loop
Hi to all Mathworks If I want to change many variables in (jreftran function) like [r,t,R,T,A]=rerlect_rt(l,[NaN,500,100,NaN]...

mehr als 4 Jahre vor | 0 Antworten | 0

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how can n I export file with Excle format, with fprintf
how can I export file with Excle format, with fprintf i have the flowing lines : fid:fopen ('elements. txt', 'w') fprintf...

mehr als 4 Jahre vor | 1 Antwort | 0

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finite element method with matrix error
I am trying to calculate energy using the folowing code , the matrices elements2s, nodes2s was the results of another script. c...

mehr als 4 Jahre vor | 1 Antwort | 0

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Beantwortet
how do i generate sound using MATLAB?
Image Analyst can I use your demo?? If you agree , I want to ask you to explain it to me please best regards Zina Al Shadid...

mehr als 5 Jahre vor | 0

Beantwortet
How to make the balls in this program organize and settle at the top of the box instead of leaving it
The two lines that you added makes The balls lined up at the top of the figure in a row Now if we want the balls to...

fast 7 Jahre vor | 0

Frage


In the following sample. The result of the graphic is one point What is wrong here please
energy = energy + deltaE; for A = 1:nPart th...

fast 7 Jahre vor | 2 Antworten | 0

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How to make the balls in this program organize and settle at the top of the box instead of leaving it
Hi KSSv Let me ask you please .what if we want to line the balls in more than one row

fast 7 Jahre vor | 0

Frage


How to make the balls in this program organize and settle at the top of the box instead of leaving it
function y = atoms(x) clc n = 25; % no. of atoms dt = 0.1; % time ma=1; mb=1; x0=[0 0 0 0]; l=200...

fast 7 Jahre vor | 3 Antworten | 0

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Gelöst


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

fast 7 Jahre vor

Gelöst


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

fast 7 Jahre vor

Frage


I wonder if i can plot 200 point taken from an experimental data using data statement (without using input statement)
help

fast 13 Jahre vor | 0 Antworten | 0

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