Nathan

Last seen: 1 day ago | Active since 2023

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QWERTY Shift Encoder
Encode a string using the QWERTY shift code. This code is where you touch type but are offset by one character to the right. O...

1 day ago

Solved

Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifm...

1 day ago

Solved

Natural numbers in string form
Create a cell array of strings containing the first n natural numbers. Slightly harder than it seems like it should be. Exampl...

1 day ago

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Fix the last element of a cell array
Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

1 day ago

Solved

String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

1 day ago

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Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

1 day ago

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Remove element(s) from cell array
You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

1 day ago

Solved

Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

1 day ago

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Split a string into chunks of specified length
Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

1 day ago

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Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

1 day ago

Solved

Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

1 day ago

Solved

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

1 day ago

Solved

Angle Between Analog Clock Hands
Given a datetime variable t, return the angle (in degrees) between the hour and minute hands of an analog clock at the time repr...

10 months ago

Solved

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:...

10 months ago

Submitted

dict
Dictionary implementation in Matlab, based around java.util.HashMap()

10 months ago | 2 downloads |

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Answered
How can you plot multiple, superimposed traces such that where traces overlap, the background trace is faded?
Hi Stephen, You can achieve this using 'waterfall' on your data, setting the FaceAlpha property to some fractional number, and ...

1 year ago | 1

Answered
Why I got an error like :"Not enough memory resources when MATLAB runs on a super computer with 512GB RAM
Hi Ismael, Your script seems to be working with an excel COM object created by an actxserver call, and then writing your table....

1 year ago | 1

| accepted

Answered
How to design a lowpass filter using rectangular windowing ??
Hello, The rectangular window has a uniform (1) value, as opposed to something like a Hamming window. There is usually nothing ...

1 year ago | 0

Question

mexcuda compiler error: "__global__" does not apply here
I'm writing a MEX CUDA function that performs the distance formula as: for each pixel of an image, where the pixel locations ar...

2 years ago | 1 answer | 0

1

answer

Answered
C++ MEX Data API: How can I get the raw pointer of an array input without copying it?
Hi there! Turns out there's another way to do this, that's faster for large arrays, although you need to know the number of dime...

3 years ago | 0