Gelöst

Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...

fast 12 Jahre vor

Gelöst

Magic!
Check whether the input matrix is a normal magic square: <http://en.wikipedia.org/wiki/Magic_square> Output the logical va...

fast 12 Jahre vor

Gelöst

Geometric series
Find the sum, given the first term t1, the common ratio r, and number of terms n. Examples If input t1=1, r=1, n=7 the...

fast 12 Jahre vor

Gelöst

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 12 Jahre vor

Gelöst

Min of a Matrix
Return the minimum value in the given matrix.

fast 12 Jahre vor

Gelöst

Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

fast 12 Jahre vor

Gelöst

Powers Of
Fill the vector with powers of 2, so that vector(1) is 2^1, vector(2) is 2^2, etc. Stop with vector(10). Complete the function ...

fast 12 Jahre vor

Gelöst

Crate a vector of logarithmically spaced
Create a vector of logarithmically spaced from 10^0 to 10^x with n sample Example: if x=4 and n=3 Answer must be=[1 100 10...

fast 12 Jahre vor

Gelöst

Airline Ticket Mod7 Checksum
There are 13 digits in an airline ticket number. If an airline ticket number is valid, the 13th digit should be the remainder of...

fast 12 Jahre vor

Gelöst

Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

fast 12 Jahre vor

Gelöst

Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

fast 12 Jahre vor

Gelöst

Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

fast 12 Jahre vor

Gelöst

Angle between two vectors
You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

fast 12 Jahre vor

Gelöst

Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

fast 12 Jahre vor

Gelöst

Vectorize the digits of an Integer
Create a vector of length N for an integer of N digits. x=123045; x_vec=[1 2 3 0 4 5]; I happened upon a trick to do ...

fast 12 Jahre vor

Gelöst

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

fast 12 Jahre vor

Gelöst

Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

fast 12 Jahre vor

Gelöst

Find Out sum of principal diagonal element of given matrix
Find out sum of principal diagonal element of given matrix If A=[1 0 0; 0 1 0;0 0 1], then answer must be 3.

fast 12 Jahre vor

Gelöst

Add one raw in given matrix as shown in example
*Add one raw in given matrix as shown in example* A=[1 0;0 1]; X=[3 5]; Answer must be:[1 0; 0 1;3 5]

fast 12 Jahre vor

Gelöst

Find out of matrix transpose Complex conjugate
Find out of matrix transpose Complex conjugate A=[2 3+i;1 4+i] Then answer must be [2.0000 1.0000; ...

fast 12 Jahre vor

Gelöst

length of a vector
Find twice the length of a given vector.

fast 12 Jahre vor

Gelöst

Rounding
Round 10.67 and make 'y' equal to that number.

fast 12 Jahre vor

Gelöst

Remainder
Make 'y' equal to the remainder of 27 divided by 5. When x=27 and t=5

fast 12 Jahre vor

Gelöst

Complex number
For complex number c=a+bi, write code that will add a and b together.

fast 12 Jahre vor

Gelöst

Do operation as per given string
Do operation as per given string Example: '3*5' then answer must be 15; '3+5' then answer must be 8; '35' then answer ...

fast 12 Jahre vor

Gelöst

Create Vector containing following elements
Create Vector containing following elements A=[pi eps NaN inf -inf flintmax];

fast 12 Jahre vor

Gelöst

find out eigenvector of matrix
find out eigenvector of matrix A =eye(3); Answer is [0 0 1; 0 1 0; 1 0 0];

fast 12 Jahre vor

Gelöst

Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

fast 12 Jahre vor

Gelöst

Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

fast 12 Jahre vor

Gelöst

Squaring Matrix
Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...

fast 12 Jahre vor