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C.J. Harris


Last seen: alrededor de 2 años hace |  Con actividad desde 2011

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Estadística

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Division with negative powers
u = [0 0 1 0 1]; v = [1 4 4 4 3]; Result = filter(u,v,[1, zeros(1,7)]) ans = 0 0 1 -4 13 -40 121 -364

más de 6 años hace | 1

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How to add 'Description' to '.jpeg'?
If you're only interested in the 'Comment' field, then you can set it directly: imwrite(i,'figC.jpg', 'Comment', 'Made with...

más de 6 años hace | 0

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How to make array with first values of matrix
% Input A = [1 2 3 4 5 6 7 8 9 10;2 2 3 3 4 5 5 2 3 3]'; % Result B = A([boolean(1); diff(A(:,2))~=0],1);

más de 6 años hace | 0

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How do I read strings with textscan?
Have you tried specifying the delimiter? formatSpec = '%d %s %f %f %f %f %f %f %f %f %f'; C = textscan(fid,formatSpec,15...

más de 6 años hace | 0

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Help with dec2hex (case sensitive and Zero)
You could change the line: CarsHex=dec2hex(CarsDecimal); to: CarsHex=lower(arrayfun(@(x) (dec2hex(x)), CarsDecimal,...

más de 6 años hace | 1

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not enough input argument
Your code, which I've included below takes two inputs, x and y, however you don't use the first input 'x' anywhere in your code,...

más de 6 años hace | 0

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Why this code is error???
Because given your definitions of x and y, the expression _3+(-x)+(-y)_ results in [3 1 -1 -3], and you cannot calculate the fac...

casi 7 años hace | 0

Resuelto


Subset Sum
Given a vector v of integers and an integer n, return the the indices of v (as a row vector in ascending order) that sum to n. I...

casi 7 años hace

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Create a Multiplication table matrix...
Create a product table in this format: P = [ 1 2 3 4 5; 2 4 6 8 10; 3 6 9 12 15; 4 8 12 1...

casi 7 años hace

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Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

casi 7 años hace

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Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

casi 7 años hace

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Say something funny
Say something funny, or not. Your solution will be (fully automatically and objectively) scored based on how clever or funny ...

casi 7 años hace

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Energy of a photon
*&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883* Given the frequency F of a photon in giga hertz. Find energy E of this...

casi 7 años hace

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

casi 7 años hace

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Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

casi 7 años hace

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Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

casi 7 años hace

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Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

casi 7 años hace

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Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

casi 7 años hace

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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...

casi 7 años hace

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surface of a spherical planet
you just discovered its circumference, that is the input.

casi 7 años hace

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Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

casi 7 años hace

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

casi 7 años hace

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Extract leading non-zero digit
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

casi 7 años hace

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Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

casi 7 años hace

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Reverse the Words (not letters) of a String
*Description* Change the words of a string such that the words appear in reverse order. You may assume that the string is a n...

casi 7 años hace

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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

casi 7 años hace

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Television Screen Dimensions
Given a width to height ratio of a TV screen given as _w_ and _h_ as well as the diagonal length of the television _l_, return t...

casi 7 años hace

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Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

casi 7 años hace

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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

casi 7 años hace

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5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

casi 7 años hace

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