Community Profile

# Karim

Last seen: Today 2016 年からアクティブ

Mechanical Engineer

Programming Languages:
MATLAB
Spoken Languages:
English
Professional Interests:
Optimization, Multibody Modeling, Finite Element Analysis (FEA)

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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...

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

16日 前

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 ...

16日 前

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

16日 前

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 ...

16日 前

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

16日 前

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

16日 前

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

16日 前

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

16日 前

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

16日 前

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...

16日 前

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 ...

16日 前

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...

17日 前 | 0

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...

17日 前 | 0

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Creating rainbow coloured plots in 3d
This can be done with the patch command, see below for a demonstration numPoints = 100; % create a random line Grid = zeros...

17日 前 | 0

What are the obs values in this spherical surface equation?
I added some comments in the code below. % define the center of the sphere (i.e. the location of the centroid of the sphere) c...

17日 前 | 3

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How to automatically run all matlab files in a folder
something like this should work folder = 'YourFolder'; mfiles = dir(fullfile(folder, '*.m')); % loop over the files for k ...

17日 前 | 1

How do I plot the relative error for each iteration vs. iteration number?
Hey, you need to save the value in order to plot it. I added an extra variable (ea_plot) to achieve this, see below. A = [4 1 2...

17日 前 | 1

Periodically fill scatter3
you can use the 'hold on' command to preserve the figure and add information to it, see below for an example % create an empty ...

17日 前 | 0

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How do I create a matrix from another matrix excluding values?
Hi, see below for a two step procedure to do this. Example = [ 5 0 2022 820 7 1 820; 5 1 2022 813 4 9 805; 5 2 2022...

17日 前 | 0

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For loop only working/filling cell array for half of data
One issue was the reuse of the variable name "x" directly after entering the loop, you overwrite your orinal data by removing el...

18日 前 | 0

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How to pull data from a table from a file and use as a string or cell.
Hi Terry, See below for one example on how to do this. This idea is to first use some logic operators to determine if the code ...

20日 前 | 0

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Why do i keep on getting error 'Not enough input arguments' on calling the function?
See below for the modified version. There were two issues: You need to call the function with two inputs: the array and the in...

29日 前 | 0

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for loop skipping an iteration
I would use a separate variable for the for-loop. See below with the adjusmtents. n = [10 100 1000]; for i = 1:numel(n) ...

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How to do vector loop equation?
The syntax for the solve function works a bit different, see below for a demonstration. Notice that if you have a set of two eq...

How to combine 2 function handles of different variables?
You need to add the input parameter in order to evaluate the functions. See below for demonstration using some random inputs. Y...

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Extracting survey data from individual files and combining
I used the text files from your comment to update my answer, to (hopfully) better fit it to what you are looking for. I was not...

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fprintf two 3x1 matrix's w/ text
Make sure that you add an end of line character "\n" to the end of the fprintf statement, otherwise evrtything will be printed o...

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Change file from equipment to .txt files
This would do the trick, see below for some comments. % Enter the directory to search directory = uigetdir(); % List all item...

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I tried plot a 3d animated but it doesn't work.
I think you want to use scatter3 and not plot3. See below for a demonstration, i commented some line to run it in the browser (w...

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