Gelöst

Reverse the Matrix
Given a Matrix A, reverse it. Such that, last element of A becomes 1st and vice versa. for example: Input = [1 2 3;4 5 ...

fast 8 Jahre vor

Gelöst

find number of times of occurrence of the most frequent number in a row vector
In a given row vector, find the number of times a mode of a row vector has occurred example: in [2 5 5 5 5 3], output is 4 ...

fast 8 Jahre vor

Gelöst

Non trivial identities - summation
Return x by adding a random number to it.

fast 8 Jahre vor

Gelöst

Second Diagonal
Transpose the matrix from it's second diagonal.

fast 8 Jahre vor

Gelöst

find the 'M'
for an input x, return 1 at the location of the letter 'M'

fast 8 Jahre vor

Gelöst

surface of parallelogram
Given 2 vectors of each 3 elements, determine the surface of the parallelogram which can be created from these 2 vectors.

fast 8 Jahre vor

Gelöst

Xor of matrix
you have to set exclusive OR of two arrays

fast 8 Jahre vor

Gelöst

Sum two real numbers
It seems easy, but... You cannot use +, -, plus, diff, cumsum, *, prod, times, etc.

fast 8 Jahre vor

Gelöst

iteration of N blank spot
we have N spot which can be blank o filled calculate the number of iteration for these spots. e.g. N=2 1- blank blank 2- bl...

fast 8 Jahre vor

Gelöst

Determine given vector is even or odd
Find the numbers of the input vector is odd or even then replace even with 1 and odd with 0 Example x = [ 3 3 4 6 1] ...

fast 8 Jahre vor

Gelöst

Phoneword Translator
Given an alphanumeric telephone number (Ex. 1-800-COLLECT), return the purely numeric phone number as a vector. This problem use...

fast 8 Jahre vor

Gelöst

How many solutions has this problem?
Guess, predict or calculate :-) (You will be scored by the accuracy). Update: <http://www.mathworks.co.uk/matlabcent...

fast 8 Jahre vor

Gelöst

Calculate value of capacitor
Given the value of resistance and time at which capacitor charges to it's 99%. calculate the value of capacitor

fast 8 Jahre vor

Gelöst

Calculate the peak value of square wave
Given the peak value of sine wave, calculate corresponding peak value of square wave, if both have same RMS voltage.

fast 8 Jahre vor

Gelöst

Solve t^(a*x^2+b*x+c)=s
Solve t^(a*x^2+b*x+c)=s. Return x vector as result. Example a=1, b=2, c=1, t=3, s=15. Result x(1)= 0.5700 x(2)=-2.5700 H...

fast 8 Jahre vor

Gelöst

Find the next square number
Given one or more integers n, find the next integer that is a square, for each of them. Example 1: n = 1; out = 4; ...

fast 8 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 8 Jahre vor

Gelöst

Separate even from odd numbers in a vector - without loops
*Without using loops*, rearrange a vector of integers such that the odd numbers appear at the beginning, and even numbers at the...

fast 8 Jahre vor

Gelöst

Is it column vector?
Is it column vector? Check vector for column vector without using iscolumn function.

fast 8 Jahre vor

Gelöst

Periodic Table II 101.
Given the symbol of an element, return its atomic number. This is the continuation of <http://www.mathworks.com/matlabcentral/co...

fast 8 Jahre vor

Gelöst

Add the odd numbers
Add only the odd numbers of x example: x = [1 2 3 4 5] the positive numbers are: 1 3 5, so their sum is 9

fast 8 Jahre vor

Gelöst

"Power matrix" of two vectors
Given two row vectors x,y of lengths m and n (respectively), create an m x n matrix whose i,j entry is x(i)^y(j).

fast 8 Jahre vor

Gelöst

row removal
Consider a matrix and remove the first row of the matrix.

fast 8 Jahre vor

Gelöst

Number of primes
Count the number of primes less than 'n'.

fast 8 Jahre vor

Gelöst

Determine point is located in a circle or not
Using input [x] and [y], determine the points (x,y) is located inside of circle (x^2+y^2=1) if point is located in circle,...

fast 8 Jahre vor

Gelöst

Periodic Table 101.
Given the atomic number (z), answer the symbol for that particular element of the <http://en.wikipedia.org/wiki/Periodic_table/ ...

fast 8 Jahre vor

Gelöst

Create an m x n array consisting only of an input value.
Create an array with m rows and n columns wherein all entries are assigned the input value x.

fast 8 Jahre vor

Gelöst

Find out output of following expression
Find out output of following expression Q=2log10 x+cos π+√(5yz)+|x^2-y^2 |

fast 8 Jahre vor

Gelöst

Oh Zero Zero Zero!!!
Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...

fast 8 Jahre vor

Gelöst

Sum Rows
Sum the same indexed (unique) rows. Examine the test suite. Related Challenge - <http://www.mathworks.com/matlabcentral/cody/...

fast 8 Jahre vor