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Jean-Baptiste Lanfrey

MathWorks

Last seen: 1 jour il y a |  Actif depuis 2012

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import a certain text file .txt from a specific folder
You can try the fullfile function. Something like this should work: folder = 'C:\Users\Alberto\....'; % folder where the .txt ...

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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

plus de 2 ans il y a

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Link Axes in App Designer
You can use the linkaxes command like this: plot(app.UIAxes,rand(100,1)); plot(app.UIAxes2,rand(100,1)); li...

plus de 2 ans il y a | 0

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Convert MATLAB internal function to Python
What about generating a Python Package from your MATLAB function? https://www.mathworks.com/help/compiler_sdk/gs/create-a-pytho...

plus de 2 ans il y a | 0

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How to programmatically modify substructure with arbitrary number of levels?
If I understand correctly, all you need is to use the setfield command, for example: modified_struct = setfield(original_struct...

plus de 2 ans il y a | 0

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How would you loop through a vector and create new vectors (groups) based the condition of similar values per index
Something like this should work. nums = [1 2 3 1 3 3 1 2 2 3 2 1 3]; groups...

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Draw 'O' !
Given n as input, generate a n-by-n matrix 'O' using 0 and 1 . example: n=4 ans= [1 1 1 1 1 0 0 1 ...

environ 4 ans il y a

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Draw 'E'
Draw a x-by-x matrix 'E' using 1 and 0. (x is odd and bigger than 4) Example: x=5 ans= [1 1 1 1 1 1 0 0 0 0 ...

environ 4 ans il y a

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Draw 'D'.
Draw a x-by-x matrix 'D' using 0 and 1. example: x=4 ans= [1 1 1 0 1 0 0 1 1 0 0 1 1 1 1 0]

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

environ 6 ans il y a

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How to subtract?
*&plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn* * Imagine you need to subtract one...

plus de 6 ans il y a

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Simscape Language Equations, Pretty Print
MATLAB code for displaying Simscape language equations in a format that is easy to read.

presque 8 ans il y a | 1 téléchargement |

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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:...

plus de 8 ans il y a

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Make a half wave rectifier
Produce a signal that outputs the given sine wave source when it is greater than zero and outputs zero when it is less than zero...

plus de 8 ans il y a

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Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

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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. Example...

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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...

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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...

plus de 9 ans il y a

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Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): As an addit...

plus de 9 ans il y a

Réponse apportée
hai, i want to know in which version of simscape pneumatic system tool box is available.Currently i am using R2009a it is not available
Hi, the pneumatic library has been introduced in release R2009b. Regards Jean-Baptiste

environ 10 ans il y a | 0

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

plus de 10 ans il y a

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

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

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

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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...

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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...

plus de 11 ans il y a

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