Jason

Aktiv seit 2016

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Write one year date into a excel?
If I want to write one year date into a excel, like year 2016. I have no idea how to code in matlab. Thanks 1/1/2016 1/2...

mehr als 9 Jahre vor | 1 Antwort | 0

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Combine the subplot into a one plot
I have a for-loop, in each loop, it will draw a plot. How can I combine those each plot in a big plot? I mean how to combine ...

mehr als 9 Jahre vor | 1 Antwort | 0

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How to insert a 50% image into this original image
I have a image, then I get 50% of this image, how to I insert this 50% image to the original image? Steganalysis

mehr als 9 Jahre vor | 1 Antwort | 0

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How to get 1% of the image?
After I load a image, how do we get the 1% of the image?

mehr als 9 Jahre vor | 1 Antwort | 0

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LSB watermark and LSB replacement difference?
Is those two are the same concept or any relationship between them? I search online and could not find any useful information. T...

mehr als 9 Jahre vor | 1 Antwort | 0

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How to solve override writing file problem?
I have try-catch in my code, when I catch the error, I write the error information to a file, but it always override the previou...

fast 10 Jahre vor | 1 Antwort | 0

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!!!Very challenge - copy one row to following two row
I have a excel file, in row 11, I have some headers. A11 is Date, B11 is Time, C11-G11 is P1 to P5. Starts row 12, there are da...

fast 10 Jahre vor | 1 Antwort | 0

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How to write error information into a file
For the following code, if we catch a error, how do I do so that the error information('Inconsistent data in iteration %s, skipp...

fast 10 Jahre vor | 1 Antwort | 0

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Count another directory subfolder
Now I am in a script under "C:\User\Jason\MATLAB". In this script, I want to count how many subfolder in another directory 'C:\U...

fast 10 Jahre vor | 1 Antwort | 0

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How to skip error and continue to execute the code
I have a for loop, but when I faced the following error, my script will stop executing. How can I do to skip the error and conti...

fast 10 Jahre vor | 2 Antworten | 0

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Gelöst

The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

fast 10 Jahre vor

Frage

Whether ADD SEMICOLON for output will reduce execution time?
If my code compute data for 1 day. If I ADD SEMICOLON after the statements, means nothing display in Command Windows, does this ...

fast 10 Jahre vor | 1 Antwort | 0

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Copy file to a new folder
Under a folder, I have a lot of .mat. "19800101.mat", "19800102.mat", ......."19800201.mat", "19800202.mat", ......"19801201.mat...

fast 10 Jahre vor | 3 Antworten | 0

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Write 10 excel for loop
Now I have one original.xlsx, I want to write Data in Sheet1 from E1. xlswrite('Original.xlsx',Data,'Sheet1','E1') How d...

fast 10 Jahre vor | 2 Antworten | 0

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Reduce computing time of these code
The following code takes 98.5% computing time of a script. Is there any code can be rewritten to improve time efficiency? [...

fast 10 Jahre vor | 0 Antworten | 0

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How to count how many sub folders under a folder
In a folder, there are many sub folder, how do we count how many sub folder they are?

fast 10 Jahre vor | 2 Antworten | 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 + ...

fast 10 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...

fast 10 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...

fast 10 Jahre vor

Gelöst

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...

fast 10 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...

fast 10 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 10 Jahre vor

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

fast 10 Jahre vor

Gelöst

Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

fast 10 Jahre vor

Gelöst

inner product of two vectors
inner product of two vectors

fast 10 Jahre vor

Gelöst

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...

fast 10 Jahre vor

Gelöst

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...

fast 10 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 10 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...

fast 10 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 10 Jahre vor