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C.J. Harris


Last seen: 26 giorni fa Attivo dal 2011

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Risposto
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

oltre 4 anni fa | 1

| accettato

Risposto
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...

oltre 4 anni fa | 0

| accettato

Risposto
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);

circa 5 anni fa | 0

Risposto
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...

circa 5 anni fa | 0

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

circa 5 anni fa | 1

| accettato

Risposto
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,...

circa 5 anni fa | 0

Risposto
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...

circa 5 anni fa | 0

Risolto


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...

circa 5 anni fa

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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...

circa 5 anni fa

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

circa 5 anni fa

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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 ...

circa 5 anni fa

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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 ...

circa 5 anni fa

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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...

circa 5 anni fa

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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...

circa 5 anni fa

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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...

circa 5 anni fa

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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...

circa 5 anni fa

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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!

circa 5 anni fa

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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...

circa 5 anni fa

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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...

circa 5 anni fa

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

circa 5 anni fa

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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...

circa 5 anni fa

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

circa 5 anni fa

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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...

circa 5 anni fa

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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...

circa 5 anni fa

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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...

circa 5 anni fa

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

circa 5 anni fa

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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...

circa 5 anni fa

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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...

circa 5 anni fa

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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...

circa 5 anni fa

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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...

circa 5 anni fa

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