Ahmed Mahfouz

University of Luxembourg

Last seen: 2 Monate vor | Aktiv seit 2017

Followers: 1 Following: 0

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Programming Languages:
Python, C, MATLAB

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

5 Monate vor | 4 Downloads |

Beantwortet
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 ...

etwa ein Jahr vor | 0

Gesendet

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

etwa ein Jahr vor | 2 Downloads |

Gesendet

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

mehr als ein Jahr vor | 1 Download |

Gelöst

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 ...

fast 3 Jahre vor

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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.

mehr als 3 Jahre vor | 1 Download |

Beantwortet
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...

etwa 4 Jahre vor | 0

Frage

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...

fast 5 Jahre vor | 0 Antworten | 0

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

mehr als 5 Jahre vor | 2 Downloads |

Gesendet

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.

etwa 6 Jahre vor | 3 Downloads |

Gelöst

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

etwa 6 Jahre vor

Gelöst

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...

etwa 6 Jahre vor

Gelöst

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...

etwa 6 Jahre vor

Gelöst

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

etwa 6 Jahre vor

Gelöst

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...

mehr als 6 Jahre vor

Gelöst

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...

mehr als 6 Jahre vor

Gelöst

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...

mehr als 6 Jahre vor

Gelöst

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...

mehr als 6 Jahre vor

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

fast 7 Jahre vor

Gelöst

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 ...

fast 7 Jahre vor

Gelöst

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...

fast 7 Jahre vor

Gelöst

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 ...

fast 7 Jahre vor

Gelöst

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...

fast 7 Jahre vor

Gelöst

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

fast 7 Jahre vor

Gelöst

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

fast 7 Jahre vor

Gelöst

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 ...

fast 7 Jahre vor

Gelöst

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...

fast 7 Jahre vor

Gelöst

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:...

fast 7 Jahre vor

Beantwortet
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...

fast 7 Jahre vor | 0

Gesendet

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

fast 7 Jahre vor | 68 Downloads |

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Ahmed Mahfouz

University of Luxembourg

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