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SALAH ALRABEEI


Last seen: 6 days ago Active since 2021

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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

5 months 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...

6 months 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>

6 months 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...

6 months 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)

6 months ago | 0

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

6 months 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 ...

6 months 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);

6 months ago | 0

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

6 months 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)

6 months 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...

6 months 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...

6 months 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...

6 months 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

6 months 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...

6 months 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...

6 months ago | 0

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

6 months ago | 0

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

6 months 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...

6 months 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>

6 months 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 ...

6 months ago | 0

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

6 months ago | 0

Answered
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...

6 months 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...

6 months 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...

6 months 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...

6 months ago | 0

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Answered
how to find area under the curve ?
Use polyarea(x,y); you need to have a polygon; That is, ur first point must by ur lasr point. You can do so by adding this to ...

6 months ago | 0

Answered
min function on two arrays
% dS=min([cA(i+1,:),cB(i+1,:)])

6 months ago | 0

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Answered
Concatenate variables with similar names
@Ricardo Duarte Here is a trick, you will save all your workplace into one variable b; then loop over all of them to take whose ...

6 months ago | 0

Answered
Scatter plot with colorbar showing density of points
You can for example measure the distance between all the coordinates, then take the inverse of minimum distance or average of al...

6 months ago | 0

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