Gelöst

Generate pi using logarithm
Generate pi using logarithm

fast 10 Jahre vor

Gelöst

Change the sign of even index entries of the reversed vector
change the signs of the even index entries of the reversed vector example 1 vec = [4 -1 -2 9] ans = [9 2 -1 -4] example2...

fast 10 Jahre vor

Gelöst

Writing a while loop
Write a while loop that continues to increment userValue by 5 until userValue is less than 0.

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

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

Test if two numbers have the same digits
Given two integers _x1_ and _x2_, return |true| if the numbers written with no leading zeros contain the same digits. That is, t...

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

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

fast 10 Jahre vor

Gelöst

Double summation
Write two nested for loops to calculate the following double summation: <<https://drive.google.com/uc?id=0B74PAULDIwwsWFhlNTV...

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

Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

fast 10 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 10 Jahre vor

Gelöst

Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

fast 10 Jahre vor

Gelöst

Matlab Basics - Create a row vector
Write a Matlab script to create a row vector of 10 consecutive numbers x = [1 2 3 4 5 6 7 8 9 10]

fast 10 Jahre vor

Gelöst

Bridge toll
Complete the example to calculate finalToll. The base toll for a bridge is baseToll. If the vehicle's weight is over 5,000 pound...

fast 10 Jahre vor

Gelöst

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

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

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

fast 10 Jahre vor

Gelöst

Area of rhombus
Calculate the rhombus area

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

Find the logic
There exists one logic in between input and output. Find it (easy math). Example 1: x=13 then y=339; Example 2: x=26...

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

Matlab Basics - Sum a vector
Write a script to add up all the elements in a vector e.g. x = [1 2 3 4] --> output = 10

fast 10 Jahre vor

Gelöst

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

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

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

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

Test if a Number is a Palindrome without using any String Operations
*Description* Given an integer _X_, determine if it is a palindrome number. That is, _X_ is equal to the _X_ with the digits ...

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

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