SALAH ALRABEEI

Last seen: alrededor de 2 meses hace Con actividad desde 2021

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Find smallest Eigenvalue and the corresponding eigenvector.
You can find it here

casi 2 años hace | 0

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Why my graph not same as research paper?
You have two mistakes here s=(exp(p_0)*T); The three s in the code should be this s=(exp(-p_0*T));

casi 2 años hace | 1

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How to find x value for certain y value of a lineplot in matlab
You can find the the EV from the index of p value. Example; a=[4,2,3,5,6,7] b = a.^2 Now, to find what is a at b= 9! inx...

casi 2 años hace | 2

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Integration takes time too long
Matlab is not good enough to symoblically ( analyitcally) integarate or solve such complex equations). If you want the the analy...

casi 2 años hace | 0

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how to find the indices after sorting columns of a matrix
If I got you correctly, I think you want you want this clear A = magic(4) [n,m]=size(A) [As,Cur_ind]=sort(A,'ascend') Or...

casi 2 años hace | 0

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compare groups of items regarding overlaps
Use [val,ndxA,ndxB] = intersect(A,B) It will give you the overlapping val and its index in both groups A and B

casi 3 años hace | 0

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How to get rid of for loop?
function [x_vals,y_vals,I,A]=monte_carlo_syms(x,y,f,g) x_vals=unifrnd(0,1,[200,1]); y_vals=unifrnd(0,1,[200,1]); I = nan*leng...

casi 3 años hace | 0

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How to plot vectors
check this <https://www.mathworks.com/matlabcentral/answers/755919-how-to-plot-contour-lines-on-joint-histogram-plot>

casi 3 años hace | 0

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Hi, How can I make the axis look like in the attached figures?
See this example x = linspace(-5,5); y = x.^2; plot(x,y) xticks([-5 -2.5 -1 0 0.25 0.5 0.75 1 2.5 10]) text(0,15,'\$\fra...

casi 3 años hace | 0

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Updating values in a 2x2 matrix , taking values from result of an iterative operation.
t=1:30; p1= 1-(5/6).^t; p2=1-p1; p3=zeros(1,30); p4=ones(1,30); A=cat(1,p1,p3,p2,p4) A_all= reshape(A,2,2,30)

casi 3 años hace | 0

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How can I draw a line over a 2D surface plot in an app?
yline(put the value)

casi 3 años hace | 0

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PLOT 2D graph and matrices
You need to define several values of p and s, then find the svds of K for each value of k p and s; See thebexample below ...

casi 3 años hace | 0

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How to categorize month/day/year into a period of months
Assuming your date array is called A. This might work Achar = char(A); lab = A(:,1);

casi 3 años hace | 0

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Creating Vector from the following matrix
B = reshape(A',1,[]);

casi 3 años hace | 0

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How to find value closest to set value after a certain index in a matrix
[N,IN] = min(abs(M/2-x)

casi 3 años hace | 0

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If Else simple calculation not working
% Try this mask = Vals.Values <= 50; Vals(mask).Values = Vals(mask).Values + 50; Vals(~mask).Values = Vals(~mask).Va...

casi 3 años hace | 0

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How to make a function output a matrix
I think you need only one loop that accomulate the series. I am assuming x and y are sent to the function as vectors, then we cr...

casi 3 años hace | 0

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Sorting Column Variable to a Row
Assume your table ( without labels) is of size nx3; where the 1st col is your dates (in numbers), 2nd is your cat, and the 3rd i...

casi 3 años hace | 0

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Sum every element in matrix per group
d = unique(b); c = [];for i=1:length(d) c=[c,sum(a(b==d(i)))]; end

casi 3 años hace | 0

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Creating NetCDF file with new variables
It depends on your data structure, ( NEMO data, projected coordinates, data gird). Anyway, here is a simple example where ur lon...

casi 3 años hace | 1

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Compare two matrix in matlab
Here you can extract those element val that are in both data located at index1 and index2 [val,index1,index2] = in...

casi 3 años hace | 0

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writing a statement to find the acid ratio
AcidRatio = input('your msg')

casi 3 años hace | 0

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Extracting all possible vectors from a big vector
check this <https://www.mathworks.com/matlabcentral/fileexchange/24185-partitions>

casi 3 años hace | 0

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How to set which part of the code to comment using a variable?
See this example clear clc a=2; b=3 eval(['c',num2str(a),'=',','A',num2str(a),'(',num2str(b),')']) function...

casi 3 años hace | 0

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Could someone please tell me How to plot dashline output in bar chart?
Check this <https://www.mathworks.com/matlabcentral/fileexchange/24021-hatch-fill-patterns-plus-color-invert here>

casi 3 años hace | 0

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Is there a way to link equations/ expressions such that that the final form is simplified?
It is better to simplify by hand first, for examle let lambda^2 = l then (3N-l)/(N-l)=(2N+N-l)/(N-l)= 2N/(N-l) - 1. The ...

casi 3 años hace | 0

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plot 2d matrix
Assume u matrix is A % bar(A','stacked')

casi 3 años hace | 0

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Is there a better way to solve this multidimensional array?
For the first averaging % temp_mean = nanmean(M,4); For the 2nd annual avg use % A=reshape(M,19,3,6,siz...

casi 3 años hace | 0

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How to keep equal distancing between markers while moving??
Since you are in a periodic space, scaling the angle will not preserve the distance, you should use addition ( translate the ang...

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Using Explicit Finite Difference Method to Determine the Time at which Unsteady State Ends - 1D Heat transfer
Your dicretization much satisfy the stability condition since the explicit scheme is conditionally stable. Moreover, The error m...

casi 3 años hace | 0