# Karim

Mechanical Engineer

**Programming Languages:**

MATLAB

**Spoken Languages:**

English

**Professional Interests:**

Optimization, Multibody Modeling, Finite Element Analysis (FEA)

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**Content Feed**

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...

ongeveer 9 uur 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.

15 dagen 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 ...

15 dagen 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 ...

15 dagen ago

Solved

Whether the input is vector?

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

15 dagen ago

Solved

Get the length of a given vector

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

15 dagen 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...

15 dagen 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 ...

15 dagen ago

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...

16 dagen ago | 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...

16 dagen ago | 0

| accepted

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...

16 dagen ago | 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...

16 dagen ago | 3

| accepted

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 ...

16 dagen ago | 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...

16 dagen ago | 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 dagen ago | 0

| accepted

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 dagen ago | 0

| accepted

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...

17 dagen ago | 0

| accepted

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 ...

19 dagen ago | 0

| accepted

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...

28 dagen ago | 0

| accepted

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) ...

ongeveer een maand ago | 0

| accepted

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...

ongeveer een maand ago | 0

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...

ongeveer een maand ago | 1

| accepted

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...

ongeveer een maand ago | 0

| accepted

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...

ongeveer een maand ago | 1

| accepted

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...

ongeveer 2 maanden ago | 0

| accepted

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...

ongeveer 2 maanden ago | 0

| accepted