Community Profile

# SALAH ALRABEEI

Last seen: 24 dagen ago Active since 2021

All

#### Content Feed

View by

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

6 maanden ago | 0

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 maanden ago | 0

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 maanden ago | 1

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 maanden ago | 0

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 maanden 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.

meer dan een jaar 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...

meer dan een jaar 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 ...

meer dan een jaar 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:...

meer dan een jaar ago

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

meer dan een jaar ago | 0

| accepted

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...

meer dan een jaar ago | 0

How to plot vectors

meer dan een jaar ago | 0

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...

meer dan een jaar ago | 0

| accepted

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)

meer dan een jaar ago | 0

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

meer dan een jaar ago | 0

| accepted

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 ...

meer dan een jaar ago | 0

| accepted

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);

meer dan een jaar ago | 0

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

meer dan een jaar ago | 0

| accepted

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

meer dan een jaar ago | 0

If Else simple calculation not working

meer dan een jaar ago | 0

| accepted

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...

meer dan een jaar ago | 0

| accepted

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...

meer dan een jaar ago | 0

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

meer dan een jaar ago | 0

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...

meer dan een jaar ago | 0

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...

meer dan een jaar ago | 0

| accepted

writing a statement to find the acid ratio

meer dan een jaar ago | 0

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

meer dan een jaar ago | 0

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...

meer dan een jaar ago | 0