Answered
Sorting of points (2D) clockwise with respect to the center of gravity
Edit: modified the code after the OP added data... The sort trick with the angle won't work due to the shape of the curve. Belo...

1 month ago | 0

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Answered
fsolve with writting automatically equations
Please try to avoid asking the same problems in many different questions. This makes it difficult for other people to track ting...

1 month ago | 0

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Answered
remove brace indexing from 1x1 matrix
I would recommand to read the text file into a string array, this will ease the conversion into function. See below for a demons...

1 month ago | 0

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Answered
sprintf loop for writing equations
There is no need for the sprintf function, you can store the equations direclty into an string array. See below for an example. ...

1 month ago | 1

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Answered
Customize Colormap with unequal range of colors.
% first create some plot data, we use the matlab peaks as example [X,Y,Z] = peaks(100); % rescale the Z values so that they ...

1 month ago | 0

Answered
Find area of a polygon portion of an Image (Code generatable code)
For such a shape, you could determine the area via a set of triangles. Insert a new temporary point in the center of the shape. ...

1 month ago | 0

Answered
Comparison between 3D maps
Hello, you could use the scatter function to plot a sphere for the values that are true. Note, you need to use the ind2sub funct...

1 month ago | 1

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Answered
Arc travel of a line in 3D space.
Hi, if I understand you correclty you want to verify the distance between two positions of the point and prefferbaly have it con...

1 month ago | 0

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Answered
Sum specific dimension in matrix
Hello, in the demo code below you can find some comments and a procedure on how to get the indexes, extract the data and sum ove...

1 month ago | 0

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Answered
How to shift a fitted curve such that it would coincide on some point
Hi @Salma fathi, you can evaluate the fitted curve using the feval function. Below I provided a demonstration on how you could s...

1 month ago | 0

Answered
How to separately color regions R1, R2, R3, R4 in the 1st quadrant of (delta,theta) plane
Hi, below i demonstrated how to fill in the region using the patch command. % evaluate the function to set up the grid points ...

1 month ago | 0

Answered
I need to run a surface diagram for variables using any 2 parameters. The following is the code for 2D plots. Please help me to run surf plot in MATLAB.
Hi see below for some comments in the code on how to set the dimmensions to call the surf command. options = odeset('RelTol',1e...

1 month ago | 1

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Answered
rotate the coordinates plotted with plot3 without changing the axes
Hi, in the code below I added some comments to demonstrate how you can rotate the curve. imageArray = imread("fig_A.png"); bin...

1 month ago | 0

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Answered
How can we move an object from A to B and then return it to the same psition which is A ?
I tried to made a commented example, hope it helps % initial poistion at x = -50 m and y = 50 m oldPosition = [-50; 50]; % ...

1 month ago | 0

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Answered
How to sort a part of a given array?
Hi, below you can find some example code to demonstrate how to sort the first 'nSort' elements of a given vector. % create a ve...

2 months ago | 0

Answered
Using 'for loop' to plot
It's not really clear why you would like to use a loop since the vectorized method is a lot cleaner from a code perspective. How...

2 months ago | 0

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Answered
How to create a scatter plot with multiple data
Hello, see below for a demonstation on how to make the scatter plot. Note that it uses a 'crude' way to define the dates, proba...

2 months ago | 0

Solved


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

3 months ago

Solved


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

3 months ago

Solved


Create a vector
Create a vector from 0 to n by intervals of 2.

3 months ago

Solved


Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

3 months ago

Solved


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

3 months ago

Solved


Find max
Find the maximum value of a given vector or matrix.

3 months ago

Solved


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

3 months ago

Solved


Inner product of two vectors
Find the inner product of two vectors.

3 months ago

Solved


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

3 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...

3 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 ...

3 months ago

Answered
finding the distance between two points
To identify the distances between the nodes of a segment you first need to identify the nodes that make up that segment. Once yo...

3 months ago | 0

Answered
How to calculate repeated calculation using LOOP?
Note that you can add data (e.g. a .mat file) to your question using the paperclip symbol. Without it is is difficult to validat...

3 months ago | 0

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