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Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

fast 6 Jahre vor

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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

fast 6 Jahre vor

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Test Problem; Create a 5x5 array containing all ones
This is a test for learning the process of creating a Cody problem. The goal of this test problem will be to create an array,...

fast 6 Jahre vor

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Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

fast 6 Jahre vor

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Determine if given number is perfect
A number is <http://en.wikipedia.org/wiki/Perfect_number perfect> if it is equal to the sum of its factors, excluding itself. ...

fast 6 Jahre vor

Beantwortet
PID Time behavior of the maximum and minimum points
You can use PID Tuner App to set the PID gains.

fast 6 Jahre vor | 0

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Is my wife right?
Regardless of input, output the string 'yes'.

fast 6 Jahre vor

Beantwortet
Wrong with matrix dimensions(lsim command)
In the input u, the dimensions are not properly assigned. Try: u=[5*t.^2+10;2*exp(t)+5;ones(size(t))];

fast 6 Jahre vor | 0

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Calculate square and cube of number
Calculate square and cube of number x

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Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

fast 6 Jahre vor

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Sum the squares of numbers from 1 to n
For a given value of n return the sum of square of numbers from 1 to n. Example For n = 2 then sum of squares = 5 (1^2 + ...

fast 6 Jahre vor

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square number
Square a number

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Return 'on' or 'off'
When the input is true, return 'on', otherwise, return 'off'.

fast 6 Jahre vor

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Box!
Given a box, find the volume of the cube. With each side = a.

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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

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

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Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...

fast 6 Jahre vor

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convert matrix to single column
given any matrix, convert it to single column

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Basics: 'Find the eigenvalues of given matrix
Find the eigenvalues y for a given matrix x.

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Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

fast 6 Jahre vor

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Back to basics 1 - Saving
Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

fast 6 Jahre vor

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Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

fast 6 Jahre vor

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Average of square wave
given positive and negative peak , calculate dc level, 50% duty cycle

fast 6 Jahre vor

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Find number of days
The input is two date in string format (dd-mm-yyyy) find out the number of days between these two dates. Example: input: ...

fast 6 Jahre vor

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Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

fast 6 Jahre vor

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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

fast 6 Jahre vor

Beantwortet
How can I recognize symbolic value with actual value 0?
You need to specify custom tolerance. if abs(ans) < 1e-10 ans = 0; end You can specify your own tolerance instead of 1e-...

fast 6 Jahre vor | 0

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Is this is a Tic Tac Toe X Win?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

fast 6 Jahre vor

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Spot the First Occurrence of 5
This problem series invites you to solve two simple problems related to the integer NUMBER FIVE, in order to celebrate <https://...

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Write c^3 as sum of two squares a^2+b^2
write c^3 as sum of two squares a^2+b^2. a and b must be integer and greater than zero. For example 5^3 = 2^2 + 11^2 5...

fast 6 Jahre vor