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SALAH ALRABEEI


Last seen: 3 dagen 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.

27 dagen 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...

27 dagen 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 ...

27 dagen 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:...

27 dagen 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

ongeveer een maand ago | 0

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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...

ongeveer een maand 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>

ongeveer een maand 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...

ongeveer een maand ago | 0

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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)

ongeveer een maand ago | 0

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

ongeveer een maand ago | 0

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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 ...

ongeveer een maand ago | 0

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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);

ongeveer een maand ago | 0

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

ongeveer een maand ago | 0

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

ongeveer een maand 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...

ongeveer een maand ago | 0

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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...

ongeveer een maand ago | 0

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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...

ongeveer een maand 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

ongeveer een maand 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...

ongeveer een maand 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...

ongeveer een maand ago | 0

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

ongeveer 2 maanden ago | 0

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

ongeveer 2 maanden 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...

ongeveer 2 maanden 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>

ongeveer 2 maanden ago | 0

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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 ...

ongeveer 2 maanden ago | 0

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

ongeveer 2 maanden ago | 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...

ongeveer 2 maanden ago | 0

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Answered
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...

ongeveer 2 maanden ago | 0

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Answered
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...

ongeveer 2 maanden ago | 0

Answered
Vectors must of same length while plotting
You have t1 which started by 60 length then added 1 then 1 more plotted with 62 length. Whereas x1_t3 started with 60 then add 1...

ongeveer 2 maanden ago | 0

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