Ahmed Mahfouz

University of Luxembourg

Last seen: 11 giorni fa | Attivo dal 2017

Followers: 0 Following: 0

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Programming Languages:
Python, C, MATLAB

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Risposto
Problem with Cholesky's decomposition of a positive semi-definite matrix
Hello Jamie, You probably got your answer already or even moved on from this question, but I will leave this answer here for ...

6 mesi fa | 0

Inviato

Matrix to Latex
Generate the latex code for any numerical 2D matrix

8 mesi fa | 1 download |

Inviato

Two vectors to DCM
Get the DCM between two reference frames if two arbitrary vectors in both frames need to be aligned

10 mesi fa | 1 download |

Inviato

Extended-Kalman-Filter---Matlab
Easy implementation of the extended Kalman Filter

circa 2 anni fa | 4 download |

Risolto

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 ...

oltre 2 anni fa

Inviato

Plot uniform wing surface using airfoil points
Produce a 3D surface plot of a uniform wing using the X and Y data of an airfoil.

quasi 3 anni fa | 9 download |

Risposto
Inpolygon - wrong classification for points lcoated on boundary
Hello Timo, I have encountered this problem today, and it seems a problem that a lot of people face. My solution was to simply...

oltre 3 anni fa | 0

Domanda

Is there an algorithm to calculate the settling time of a time series?
I am performing a simulation of a system that involves a lot of random variables. The response of this system varies each time I...

oltre 4 anni fa | 0 risposte | 0

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risposte

Inviato

Concatenate multiple plots next to each other
Concatenate multiple plots from left to right with fixed y limits

quasi 5 anni fa | 2 download |

Inviato

Higher derivatives of a vector wrt another vector
The function differentiates a given vector with respect to another vector for any given number of times.

oltre 5 anni fa | 2 download |

Risolto

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

oltre 5 anni fa

Risolto

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

oltre 5 anni fa

Risolto

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

oltre 5 anni fa

Risolto

Is my wife right?
Regardless of input, output the string 'yes'.

oltre 5 anni fa

Risolto

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

circa 6 anni fa

Risolto

Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

circa 6 anni fa

Risolto

Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

circa 6 anni fa

Risolto

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

circa 6 anni fa

Risolto

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

circa 6 anni fa

Risolto

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

circa 6 anni fa

Risolto

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

circa 6 anni fa

Risolto

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

circa 6 anni fa

Risolto

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...

circa 6 anni fa

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

circa 6 anni fa

Risolto

Add two numbers
Given a and b, return the sum a+b in c.

circa 6 anni fa

Risolto

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 ...

circa 6 anni fa

Risolto

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

circa 6 anni fa

Risolto

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:...

circa 6 anni fa

Risposto
to convert a row into 3d matrix having all combinations
i don't know what you exactly mean but i assumed the entries to the 3d matrix are the same as in the given vector, you can try t...

circa 6 anni fa | 0

Inviato

Phase plane plotter
phase plane plotting for a second order nonlinear system

circa 6 anni fa | 95 download |