Beantwortet
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...

fast 10 Jahre vor | 0

Beantwortet
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...

fast 10 Jahre vor | 0

Beantwortet
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); ...

fast 10 Jahre vor | 0

Beantwortet
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...

fast 10 Jahre vor | 0

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

fast 10 Jahre vor | 0

Beantwortet
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...

fast 10 Jahre vor | 0

Beantwortet
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.

fast 10 Jahre vor | 0

| akzeptiert

Beantwortet
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...

fast 10 Jahre vor | 0

Beantwortet
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...

fast 10 Jahre vor | 0

Beantwortet
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...

fast 10 Jahre vor | 0

Beantwortet
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://...

fast 10 Jahre vor | 0

Gelöst

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

fast 10 Jahre vor

Gelöst

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

fast 10 Jahre vor

Gelöst

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...

fast 10 Jahre vor

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

fast 10 Jahre vor | 0

| akzeptiert

Gelöst

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...

fast 10 Jahre vor

Gelöst

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...

fast 10 Jahre vor

Gelöst

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...

fast 10 Jahre vor

Gelöst

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...

fast 10 Jahre vor

Gelöst

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...

fast 10 Jahre vor

Gelöst

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

fast 10 Jahre vor

Gelöst

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...

fast 10 Jahre vor

Gelöst

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...

fast 10 Jahre vor

Beantwortet
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...

fast 10 Jahre vor | 0

Beantwortet
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'); ...

fast 10 Jahre vor | 4

Beantwortet
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...

fast 10 Jahre vor | 0

| akzeptiert

Gelöst

inner product of two vectors
inner product of two vectors

etwa 10 Jahre vor

Beantwortet
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...

etwa 10 Jahre vor | 0

Beantwortet
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...

etwa 10 Jahre vor | 0

Beantwortet
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...

etwa 10 Jahre vor | 0