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Do the lines intersect?
You are given two line segments. Do they cross? Consider one segment as (x1,y1) to (x2,y2), the other segment as (x3,y3) to (...

fast 9 Jahre vor

Frage


Operations on variables with specific naming patterns
I am reading in a large number of text files. The files contain numerical values that I want, and text that I do not. Using th...

fast 9 Jahre vor | 1 Antwort | 0

1

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Gelöst


Shift elements of vector left
Shift elements of vector to the left. For ex. : Input_vec = [1 2 3 4 5] Output_vec = [2 3 4 5 1]

fast 9 Jahre vor

Gelöst


Replace Negative(-) by 0 and positive by 1
In a given Matrix Replace all element having *Negative sign with 0* and *Positive elements with 1* .

fast 9 Jahre vor

Gelöst


Rotate it!
Given a set of points, your aim is to rotate it by a given angle "theta" CCW (in 2d). The points are given in a matrix(x) of dim...

etwa 9 Jahre vor

Gelöst


Backslang, odds are you used it at some point in time...
So backslang is a language that can be used to communicate in an easy decode code, if people know the rules of decoding it. Wel...

etwa 9 Jahre vor

Gelöst


Kryptos - CIA Cypher Sculpture: Vignere Decryption
The <http://en.wikipedia.org/wiki/Kryptos Kryptos Sculpture> contains four encypted messages. This Challenge is to Decrypt tw...

etwa 9 Jahre vor

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I'm going to enjoy watching you calculate, Mr Anderson
Smith numbers are numbers such that if you add up all of the digits in the number, that sum equals the sum of all of the digits ...

etwa 9 Jahre vor

Problem


I'm going to enjoy watching you calculate, Mr Anderson
Smith numbers are numbers such that if you add up all of the digits in the number, that sum equals the sum of all of the digits ...

etwa 9 Jahre vor | 2 | 49 Lösungsvorschläge

Gelöst


How brilliant are you?
A Brilliant number is defined as a number with two prime factors, both of which have the same number of digits. Some examples: ...

etwa 9 Jahre vor

Problem


How brilliant are you?
A Brilliant number is defined as a number with two prime factors, both of which have the same number of digits. Some examples: ...

etwa 9 Jahre vor | 3 | 66 Lösungsvorschläge

Gelöst


Speed of car travelling x meters in y seconds
What is the speed of a car if the car travelled x meters in y seconds? Supply the answer in m/s.

etwa 9 Jahre vor

Gelöst


raise 1/3
Raise a number to 1/3 power.

etwa 9 Jahre vor

Gelöst


calculate PI without using pi function
There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

etwa 9 Jahre vor

Gelöst


Divisible by 21
Write a function to determine if a number is divisible by 21.

etwa 9 Jahre vor

Gelöst


Even or Odd
Write a function which can tell us if the given value x is odd or even. So if x is even return true and if x is odd return false...

etwa 9 Jahre vor

Gelöst


Vector parallel to plane?
Given the coefficients of the equation which defines a plane as follows: ax+by+cz=d, return a boolean indicating whether the 2n...

etwa 9 Jahre vor

Gelöst


Integer sequence - 2 : Kolakoski sequence
Get the n-th term of <https://oeis.org/A000002 Kolakoski Sequence>.

etwa 9 Jahre vor

Gelöst


return row and column indices given 2 values which define a range
Inspired by problem <http://www.mathworks.co.kr/matlabcentral/cody/problems/856-getting-the-indices-from-a-matrice> Inputs: - ...

etwa 9 Jahre vor

Gelöst


Geometric Series
Given x and n, give the sum of x ^ 1 to x ^ n. You should not have to use a loop for this.

etwa 9 Jahre vor

Gelöst


Calculate the number of elements in a matrix.
Calculate the number of elements in a matrix.

etwa 9 Jahre vor

Gelöst


Percentage profit:4
If a shopkeeper is selling W gram of salt in 1 dollar he will face r% loss. How much salt he should sell in grams to make r% pro...

etwa 9 Jahre vor

Gelöst


number of groups
In a classroom, *n* students work on a special project and the other students work in groups of five. If there are 18 students i...

etwa 9 Jahre vor

Gelöst


Matrix game: Winner takes all
Given a matrix A, return a new matrix of the same size in which the biggest element of each column in A takes 1, and 0 for all t...

etwa 9 Jahre vor

Gelöst


Find the minimal value in N*N Matrix
Suppose that we have N by N matrix, we try to find the minimal value in that matrix. examples: Input A=[1 2 3 5 6;52 58 56 45...

etwa 9 Jahre vor

Gelöst


Percentage profit:3
x% product is sold at r1% profit. However, our target overall profit is rt%. What is the required percentage profit to meet the ...

etwa 9 Jahre vor

Gelöst


'5*3' copy character 3 - five times
The input is a string. Wherever a * sign occurs in string repeat copies of character on the right hand side of * sign. The numbe...

etwa 9 Jahre vor

Gelöst


Percentage profit:2
If you are selling at x dollar, you are facing r1% profit; what will be the selling price for making r2% profit?

etwa 9 Jahre vor

Gelöst


Determine whether the number is multiple of 3 or not
Let a=6 and as 6 = 2*3 which means 6 is multiple of 3; return true if a is multiple of 3,otherwise false.

etwa 9 Jahre vor

Gelöst


Find my secret function IV
We use the same secret function used on the past "Find my secret function ..." x=23 -------->> y=3 X=1000 ------->> 163

etwa 9 Jahre vor

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