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C.J. Harris


Last seen: etwa 2 Jahre vor |  Aktiv seit 2011

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  • 3 Month Streak
  • Knowledgeable Level 4
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Beantwortet
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

mehr als 6 Jahre vor | 1

| akzeptiert

Beantwortet
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...

mehr als 6 Jahre vor | 0

| akzeptiert

Beantwortet
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);

mehr als 6 Jahre vor | 0

Beantwortet
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...

fast 7 Jahre vor | 0

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

fast 7 Jahre vor | 1

| akzeptiert

Beantwortet
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,...

fast 7 Jahre vor | 0

Beantwortet
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...

fast 7 Jahre vor | 0

Gelöst


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...

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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

fast 7 Jahre vor

Gelöst


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 ...

fast 7 Jahre vor

Gelöst


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

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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!

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

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 7 Jahre vor

Gelöst


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

fast 7 Jahre vor

Gelöst


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

fast 7 Jahre vor

Gelöst


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

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

Gelöst


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...

fast 7 Jahre vor

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