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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...

約1ヶ月 前 | 0

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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...

約1ヶ月 前 | 0

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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...

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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. ...

約1ヶ月 前 | 1

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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 ...

約1ヶ月 前 | 0

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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. ...

約1ヶ月 前 | 0

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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...

約1ヶ月 前 | 1

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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...

約2ヶ月 前 | 0

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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...

約2ヶ月 前 | 0

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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...

約2ヶ月 前 | 0

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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 ...

約2ヶ月 前 | 0

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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...

約2ヶ月 前 | 1

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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...

約2ヶ月 前 | 0

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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]; % ...

約2ヶ月 前 | 0

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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ヶ月 前 | 0

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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ヶ月 前 | 0

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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ヶ月 前 | 0

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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.

3ヶ月 前

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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ヶ月 前

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

3ヶ月 前

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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ヶ月 前

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

3ヶ月 前

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

3ヶ月 前

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

3ヶ月 前

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

3ヶ月 前

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

3ヶ月 前

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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ヶ月 前

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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ヶ月 前

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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ヶ月 前 | 0

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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ヶ月 前 | 0

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