Gelöst

While loop: Summation
Write a while loop that assigns summedValue with the sum of all values from 1 to userNum. Assume userNum is always greater than ...

fast 10 Jahre vor

Gelöst

Duplicate a character
Duplicate a character 'n' times. Example 1: str='a' n=5 output='aaaaa' Example 2: str='*' n=3 output='***'

fast 10 Jahre vor

Gelöst

Related Vectors
I have two vectors A & B. If the values in vector A is zero then the corresponding value in vector B should be zero. Example:...

fast 10 Jahre vor

Gelöst

7 segment LED display
Given a whole number, output how many segments would be lit up to display it on a 7 segment LED display (http://en.wikipedia.org...

fast 10 Jahre vor

Gelöst

Area of a Square
Inside a square is a circle with radius r. What is the area of the square?

fast 10 Jahre vor

Gelöst

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

fast 10 Jahre vor

Gelöst

Matlab Basics - y as a function of x
write a script to calculate y as a function of x, such that y = 6x^2 + 5x - 2

fast 10 Jahre vor

Gelöst

Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

fast 10 Jahre vor

Gelöst

Armstrong Number
Determine whether the given input n-digit number is Armstrong Number or not. Return True if it is an Armstrong Number. An n-D...

fast 10 Jahre vor

Gelöst

multiply by three
Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

fast 10 Jahre vor

Gelöst

Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

fast 10 Jahre vor

Gelöst

Area of rhombus
Calculate the rhombus area

fast 10 Jahre vor

Gelöst

Better bullseye matrix
<http://www.mathworks.com/matlabcentral/cody/problems/18-bullseye-matrix Problem 18> asks to create a bullseye matrix like this:...

fast 10 Jahre vor

Gelöst

Binary Coder
Take an input number and print the binary value of this number.

fast 10 Jahre vor

Gelöst

Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

fast 10 Jahre vor

Gelöst

Derivative of polynomial
Compute the derivative of a given polynomial. The input is an <http://www.mathworks.com/help/matlab/math/representing-polynomial...

fast 10 Jahre vor

Gelöst

Matlab Basics - Absolute Value
Write a script that returns the absolute value of the elements in x e.g. x = [-1 -2 -3 -4] --> y = [1 2 3 4]

fast 10 Jahre vor

Gelöst

Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

fast 10 Jahre vor

Gelöst

Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

fast 10 Jahre vor

Gelöst

Back to basics 24 - Symbolic variables
Covering some basic topics I haven't seen elsewhere on Cody. Given a string algebraic expression, return the symbolic variabl...

fast 10 Jahre vor

Gelöst

Non trivial identities - identity handle
Return x by handling the identity function.

fast 10 Jahre vor

Gelöst

Basic arrays operations.
Apply element-by-element binary operation 'fun' to two arrays (A and B).

fast 10 Jahre vor

Gelöst

Matlab Basics - Rounding I
Write a script to round x DOWN to the next lowest integer: e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2

fast 10 Jahre vor

Gelöst

Create incrementing array
Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

fast 10 Jahre vor

Gelöst

Find the "ordinary" or Euclidean distance between A and Z
A, B and Z define three points in the 3D _Euclidean_ space of the form: A = [x1;y1;0]; B = [x2;y2;0]; Z = [x2;y2;z]; Find th...

fast 10 Jahre vor

Gelöst

Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

fast 10 Jahre vor

Gelöst

random picture with random colours
write a function which creates a random(x,y) matrix with random RGB colours for example create_pic(5,5) gives us a 3d matrix. ...

fast 10 Jahre vor

Gelöst

Create a function handle that reverses the input arguments of another function handle
Given a function that takes two input arguments and returns one output, create another function handle that performs the same op...

fast 10 Jahre vor

Gelöst

Generate a random matrix A of (1,-1)
Input n: is an positive integer which serves as the dimension of the matrix A; Output: A=(Aij),where each entry Aij is either...

fast 10 Jahre vor

Gelöst

Non trivial identities - linear system
Return x by solving a linear system.

fast 10 Jahre vor