Réponse apportée
What is my License number?
You should contact <https://www.mathworks.com/support/contact_us/index.html?s_tid=contact_us_support_cust_serv MathWorks Support...

presque 10 ans il y a | 0

Réponse apportée
Does anyone know to convert clock time into decimal time?
# Use <https://www.mathworks.com/help/matlab/ref/num2str.html |num2str|> # Lop off the last two characters with |a(end-1:en...

presque 10 ans il y a | 0

Réponse apportée
Who can help me with defining a regular expression?
str1 = '@5%'; str2 = '@2.5%'; regex = '\d*\.?\d+'; [s1 e1] = regexp(str1, regex); [s2 e2] = regexp(str2, regex); ...

presque 10 ans il y a | 0

Réponse apportée
How to do a binarization of this image?
Take a look at <https://www.mathworks.com/help/images/image-enhancement-and-analysis.html this example> and <https://www.mathwor...

presque 10 ans il y a | 0

Réponse apportée
*.dat file reader
<https://www.mathworks.com/help/matlab/ref/readtable.html |readtable()|> should do it. Take a look at |'HeaderLines'| if needed....

presque 10 ans il y a | 0

Réponse apportée
how can i recrord a video from webcam using matlab ?
You can use the <https://www.mathworks.com/products/imaq/features.html#app-for-image-and-video-acquisition Image Acquisition Too...

presque 10 ans il y a | 0

Réponse apportée
Plot data from 2 different files in the same folder
It doesn't matter what files the data is in. You need to load the data and run the associated plotting commands.

presque 10 ans il y a | 0

| A accepté

Réponse apportée
Hi, i need to find out the eigenvalues of a 8000x8000 matrix system by eig() function of matlab?? may i know the normal simulation time of the eig() function of such a huge matrix in MATLAB?
It's going to depend on the matrix, correct? Running a simulation on my machine (Surface Pro3) I was able to modify the examp...

presque 10 ans il y a | 0

Réponse apportée
How to find multiple min values and index them for a FOR loop
The first thing I would do is find what the minimum value is. You can do this by using the <https://www.mathworks.com/help/matla...

presque 10 ans il y a | 0

Réponse apportée
Re: find()
From what I can tell in the <https://www.mathworks.com/help/matlab/ref/find.html#budqvnh-1 |find|> documentation the answer is y...

presque 10 ans il y a | 0

Réponse apportée
How to convert xml to excel sheet...?
Use <http://www.mathworks.com/help/matlab/import_export/importing-xml-documents.html |xmlread|> to import your data and <http://...

presque 10 ans il y a | 0

A résolu


Who is the smartest MATLAB programmer?
Who is the smartest MATLAB programmer? Examples: Input x = 'Is it Obama?' Output = 'Me!' Input x = 'Who ?' Ou...

presque 10 ans il y a

A résolu


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

presque 10 ans il y a

A résolu


Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

presque 10 ans il y a

Réponse apportée
download data from a web page
Use <http://www.mathworks.com/help/matlab/ref/webread.html webread>

presque 10 ans il y a | 0

| A accepté

A résolu


Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

presque 10 ans il y a

A résolu


Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

presque 10 ans il y a

A résolu


Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

presque 10 ans il y a

A résolu


Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

presque 10 ans il y a

A résolu


Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...

presque 10 ans il y a

A résolu


Trimming Spaces
Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

presque 10 ans il y a

A résolu


Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

presque 10 ans il y a

A résolu


Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

presque 10 ans il y a

Réponse apportée
Write a function (Not a built-in function) that converts a given number n in base 2 to base 10
There's a builtin function called bin2dec which turns a binary string into a decimal number. So if you convert the data into a s...

presque 10 ans il y a | 0

Réponse apportée
How to set different colors for the text in a legend ?
Use TeX formatting to set the colors. x = -pi:pi/20:pi; y1 = sin(x); y2 = cos(x); plot(x,y1,'-ro',x,y2,'-.b'); ...

presque 10 ans il y a | 4

Réponse apportée
Writing a result on an existing table?
Are you using matrices or tables? It's not completely clear to me in your post. If it's a matrix you can do the calculation and...

presque 10 ans il y a | 0

| A accepté

A résolu


inner product of two vectors
inner product of two vectors

presque 10 ans il y a

Réponse apportée
How to read\open a csv file with millions of rows and hundreds of coloumns to compare/delete and save
You can do this with <https://www.mathworks.com/help/matlab/ref/textscan.html textscan>, but your <https://www.mathworks.com/hel...

presque 10 ans il y a | 0

Réponse apportée
How can i Delete columns from many csv files?
You can use <https://www.mathworks.com/help/matlab/import_export/what-is-a-datastore.html datastore()> to read the files and the...

environ 10 ans il y a | 0

Réponse apportée
Hi, how can i import data from many worksheet in Excel? Can i used a cicle for?please help me
You're trying to use i as your loop index. (Conventionally ii would be used to avoid confusion with <https://www.mathworks.com/h...

environ 10 ans il y a | 0

Charger plus