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# SALAH ALRABEEI

Last seen: 5 Tage ago Active since 2021

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

29 Tage 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...

29 Tage 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 ...

29 Tage 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:...

29 Tage 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

etwa ein Monat ago | 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...

etwa ein Monat ago | 0

How to plot vectors

etwa ein Monat 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...

etwa ein Monat ago | 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)

etwa ein Monat ago | 0

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

etwa ein Monat ago | 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 ...

etwa ein Monat ago | 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);

etwa ein Monat ago | 0

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

etwa ein Monat ago | 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)

etwa ein Monat ago | 0

If Else simple calculation not working

etwa ein Monat ago | 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...

etwa ein Monat ago | 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...

etwa 2 Monate 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

etwa 2 Monate 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...

etwa 2 Monate 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...

etwa 2 Monate ago | 0

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writing a statement to find the acid ratio

etwa 2 Monate ago | 0

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

etwa 2 Monate 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...

etwa 2 Monate ago | 0

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>

etwa 2 Monate ago | 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 ...

etwa 2 Monate ago | 0

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

etwa 2 Monate ago | 0

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...

etwa 2 Monate ago | 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...

etwa 2 Monate ago | 0

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