Gelöst

RMS value from a set of observations
Find rms value of a set of observations of a physical quantity? Hint: The observations are accessed in the form of vectors

fast 7 Jahre vor

Gelöst

Find the solution of algebraic equation
Find the solution of algebraic equation of the form an*x^n + a(n-1)*x^(n-1) + (an-2)*x^(n-2)+...... a2*x^2 + a1*x^1 + a0 = 0;...

fast 7 Jahre vor

Gelöst

Identify the heavier bag
There are N=2^n bags of rice looking alike, N-1 of which have equal weight and one is slightly heavier. The weighing balance is ...

fast 7 Jahre vor

Gelöst

Accessing elements on the diagonal
Access the diagonal elements of a matrix without 'diag' function

fast 7 Jahre vor

Gelöst

Simple date to serial no. conversion
Convert a date string to a serial date number. For example if you take x='19-May-2001' then the result is 730990 x...

fast 7 Jahre vor

Gelöst

give-nth-decimal-place-of-pi up to 100 digits
max 100th place after the decimal point this is upgrade problem of 142

fast 7 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 7 Jahre vor

Gelöst

Evil Number
Check if a given natural number is evil or not. Read more at <https://oeis.org/A001969 OEIS>.

fast 7 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 7 Jahre vor

Gelöst

How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...

fast 7 Jahre vor

Gelöst

Count decimal digits of a number
* Given an integer number you have to return the number of its digits. * For example 248 has 3 digits and 1589 has 4 digits ...

fast 7 Jahre vor

Gelöst

Nilpotent matrix
Check if matrix A is <http://mathworks.com/ nilpotent>.

fast 7 Jahre vor

Gelöst

find the roots of a quadratic equation
for e.g x = [ 2 -1 -3] y = [1.5 -1]

fast 7 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 7 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 7 Jahre vor

Gelöst

Sphenic number sequence
<http://oeis.org/A007304 Sphenic numbers> are positive integers that are products of three distinct prime numbers: 30, 42, 66, 7...

fast 7 Jahre vor

Gelöst

Ordinal numbers
Given an integer n, return the corresponding ordinal number as a character string. For example, ord(1)='1st' ord(2)=...

fast 7 Jahre vor

Gelöst

Continued fractions
Find a <http://en.wikipedia.org/wiki/Continued_fraction continued fraction> approximation of x.

fast 7 Jahre vor

Gelöst

Create One Large Eye of size N x N Quickly?
*<http://en.wikipedia.org/wiki/Aye_(yes) Aye !!!>*

fast 7 Jahre vor

Gelöst

letter yes yes & letter no no
Split a string into two strings, wherein the first string has all alphabetic letters and the second string has all the remaining...

fast 7 Jahre vor

Gelöst

Cody Matlab Version
What is the current Cody Matlab Release? *Output:* string *Examples:* '(R2012a)' or 'R2012a' Hint: We have mo...

fast 7 Jahre vor

Gelöst

Are all the three given point in the same line?
In this problem the input is the coordinate of the three points in a XY plane? P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) how can...

fast 7 Jahre vor

Gelöst

Tiling a matrix
Given a matrix and a number of columns, replicate matrix in a single row

fast 7 Jahre vor

Gelöst

Find the index of n in magic(n)
If input n=5, then magic(n) is 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22...

fast 7 Jahre vor

Gelöst

Determine if input is a perfect number
A <http://en.wikipedia.org/wiki/Perfect_number/ perfect number> occurs whent the sum of all divisors of a positive integer, exce...

fast 7 Jahre vor

Gelöst

Spiral In
Create an m by n matrix filled with sequential integers starting from 1 and arranged in a counterclockwise spiral that hugs the ...

fast 7 Jahre vor

Gelöst

Happy 2013...
Happy 2013, everyone! An interesting tidbit about 2013 is that it is the first year since 1987 to contain four different digits...

fast 7 Jahre vor

Gelöst

Cell Source Index
Suppose that C is a cell array whose elements consist of row vectors of elements of the same type. For example, C could be a ce...

fast 7 Jahre vor

Gelöst

Generate this matrix
Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...

fast 7 Jahre vor

Gelöst

prime test 2
enter the only non prime,non composite number

fast 7 Jahre vor