# SALAH ALRABEEI

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Solved

Vector creation

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

11 months 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...

11 months 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 ...

11 months 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:...

11 months 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

11 months 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...

11 months ago | 0

How to plot vectors

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

11 months 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...

11 months 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)

11 months ago | 0

How can I draw a line over a 2D surface plot in an app?

yline(put the value)

11 months 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 ...

11 months 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);

11 months ago | 0

Creating Vector from the following matrix

B = reshape(A',1,[]);

11 months 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)

11 months ago | 0

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...

11 months 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...

11 months 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...

11 months 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

11 months 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...

11 months 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...

11 months ago | 0

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Extracting all possible vectors from a big vector

check this <https://www.mathworks.com/matlabcentral/fileexchange/24185-partitions>

11 months 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...

11 months 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>

11 months 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 ...

11 months 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...

11 months 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...

11 months ago | 0

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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...

11 months ago | 0

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...

11 months ago | 0

| accepted