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SALAH ALRABEEI


Last seen: ungefär en månad ago Active since 2021

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

6 månader ago | 0

Answered
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));

6 månader ago | 0

Answered
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...

6 månader ago | 1

Answered
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...

6 månader ago | 0

Answered
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...

6 månader ago | 0

| accepted

Solved


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

mer än ett år ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

mer än ett år ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

mer än ett år ago

Solved


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:...

mer än ett år ago

Answered
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

mer än ett år ago | 0

| accepted

Answered
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...

mer än ett år ago | 0

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

mer än ett år ago | 0

Answered
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...

mer än ett år ago | 0

| accepted

Answered
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)

mer än ett år ago | 0

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

mer än ett år ago | 0

| accepted

Answered
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 ...

mer än ett år ago | 0

| accepted

Answered
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);

mer än ett år ago | 0

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

mer än ett år ago | 0

| accepted

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

mer än ett år ago | 0

Answered
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...

mer än ett år ago | 0

| accepted

Answered
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...

mer än ett år ago | 0

| accepted

Answered
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...

mer än ett år ago | 0

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

mer än ett år ago | 0

Answered
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...

mer än ett år ago | 0

Answered
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...

mer än ett år ago | 0

| accepted

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

mer än ett år ago | 0

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

mer än ett år ago | 0

Answered
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...

mer än ett år ago | 0

Answered
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>

mer än ett år ago | 0

| accepted

Answered
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 ...

mer än ett år ago | 0

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