已解决
Sum the numbers on the main diagonal
Sum the numbers on the main diagonal of an n-by-n matrix. For input: A = [1 2 4 3 6 2 2 4 7]...
12 years 前
已解决
Parasitic numbers
Test whether the first input x is an n-parasitic number: <http://en.wikipedia.org/wiki/Parasitic_number>. ( _n_ is the second in...
12 years 前
已解决
Woodall number
Test whether the input is a Woodall number: <http://en.wikipedia.org/wiki/Woodall_number> _Please do not cheat by simply chec...
12 years 前
已解决
Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...
12 years 前
已解决
Sum the entries of each column of a matrix which satisfy a logical condition.
Given a numeric matrix A and a logical array L of the same size as A, return a row vector S containing the columnwise sums of th...
12 years 前
已解决
Solve the set of simultaneous linear equations
Given this pair of simultaneous linear equations: 2x + 3y = 23 3x + 4y = 32 Find the solution set (x,y)
12 years 前
已解决
collision
several cars (n) were involved in this collision, the input matrix (vm) has n rows and two columns, first column for velocity an...
13 years 前
已解决
Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...
13 years 前
已解决
Kaprekar numbers
Test if the input is a Kaprekar number: <http://mathworld.wolfram.com/KaprekarNumber.html>. Return a logical true or false. ...
13 years 前
已解决
Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.
13 years 前
已解决
Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.
13 years 前
已解决
Hackathon: the beginnings
I am thinking of a number between 1 and 10000... can you guess what this number is? *Description* The test suite has rando...
13 years 前
已解决
How long is the longest prime diagonal?
Stanislaw Ulam once observed that if the counting numbers are <http://en.wikipedia.org/wiki/Ulam_spiral arranged in a spiral>, t...
13 years 前
已解决
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Example: in = magic(5) in = 17 24 1 8 15 23 5 7 14 16 4 6 13 20 ...
13 years 前
已解决
Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3
13 years 前
已解决
Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...
13 years 前
已解决
Tricky timing
Write a function that takes between 0.5 seconds and 0.6 seconds to run.
13 years 前
已解决
Find out missing number from a vector of 9 elements
You are given a vector of size 9, x = [x1 x2 x3 x4 x5 x6 x7 x8 x9] Elements of x may be randomly selected without repeati...
13 years 前
已解决
Sum the Digits of a Number
Given an integer, sum the digits repeatedly until you end up with a single value less than 10. For example, if you add the di...
13 years 前
已回答
How to use an impoint?
See |help ginput|. A minimal working example: pcolor(rand); [x,y] = ginput(1); % User clicks a value. x = ...
How to use an impoint?
See |help ginput|. A minimal working example: pcolor(rand); [x,y] = ginput(1); % User clicks a value. x = ...
13 years 前 | 0
已提交
Increment/Decrement uicontrol
A custom uicontrol for making increment/decrement button pairs.
13 years 前 | 1 次下载 |
已解决
What's Your BMI?
Find the body mass index. For reference, please refer to Wikipedia here: <http://en.wikipedia.org/wiki/Body_mass_index body ...
13 years 前
已解决
Back to basics 18 - justification
Covering some basic topics I haven't seen elsewhere on Cody. Given a string with extra spaces in front and/or in back, return...
13 years 前
已解决
peta to nano (x-ray)
for certain x-ray radiation, given frequency in petahertz, give wavelength in nanometer, must be accurate +/- 25%
13 years 前
已回答
surf won't display zeros in the last row?
The |surf| command is plotting *from* 1 *to* 15. If you want to show the width of the 15th block, you'll need to supply data up ...
surf won't display zeros in the last row?
The |surf| command is plotting *from* 1 *to* 15. If you want to show the width of the 15th block, you'll need to supply data up ...
13 years 前 | 1
| 已接受
已回答
Creating Graphical User Interface for a Code
If you are new to MATLAB GUI programming, your best bet is to use GUIDE. Type 'guide' on the MATLAB command line to begin. There...
Creating Graphical User Interface for a Code
If you are new to MATLAB GUI programming, your best bet is to use GUIDE. Type 'guide' on the MATLAB command line to begin. There...
13 years 前 | 0
已回答
GUI increment/decrement buttons linked to an Edit Text box
I've been thinking about doing something like this for a project I'm starting. Your question prompted me to just go make a first...
GUI increment/decrement buttons linked to an Edit Text box
I've been thinking about doing something like this for a project I'm starting. Your question prompted me to just go make a first...
13 years 前 | 1
| 已接受
已解决
Basics: 'Find the eigenvalues of given matrix
Find the eigenvalues y for a given matrix x.
13 years 前