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Sum of the pixel values for the blue color
Calculate the sum of the pixel values for the blue color, with a picture as an input. *NOTE:* The picture will be provided as...

etwa 12 Jahre vor

Gelöst

Find my birthday
Given a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what a...

etwa 12 Jahre vor

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counting groups!
This problem is about counting groups. Example If you have x: x = [0.8 0.8 0.8 0.3 0.3 0.4 0.5 0.6 0.6 0.9] then a...

etwa 12 Jahre vor

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Rainbow matrix
Create a "rainbow matrix" as described in the following examples Input = 3 Output = [ 1 2 3 2 3 2 ...

etwa 12 Jahre vor

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Slicing the cube
A bored matlab enthusiast has a cube with volume n^3. He decides to paint the entire surface of the cube red. Then, with slices...

etwa 12 Jahre vor

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Matrix multiplication across rows
Given matrix m, return matrix n such that, rows of n are result of multiplication of the rows of the input matrix Example ...

etwa 12 Jahre vor

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Hard limit function
Classify x data as if x>=0 then y=1 if x<0 then y=0 Example x = [ -2 -1 0 1 2] y = [ 0 0 1 1 1]

etwa 12 Jahre vor

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Generalized Fibonacci
The Fibonacci sequence is defined as: Fib(1) = 0 Fib(2) = 1 Fib(N) = Fib(N-1) + Fib(N-2) The Fibonacci sequence ca...

etwa 12 Jahre vor

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how to make the function use a default value when it wait for inputs for too long time ?
My function is using urlread() to get data from the web. however the internet is not so good and now and then there is no intern...

etwa 12 Jahre vor

Frage

Patternsearchw with genetic algorithm
Hi, I would like to run _patternsearch_ function with _SearchMethod_ option set to _searchga_. But it seems that _patternsear...

etwa 12 Jahre vor | 1 Antwort | 0

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Antwort

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Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

etwa 12 Jahre vor

Gelöst

Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

etwa 12 Jahre vor

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

etwa 12 Jahre vor

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

etwa 12 Jahre vor

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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

etwa 12 Jahre vor

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Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

etwa 12 Jahre vor

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

etwa 12 Jahre vor

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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

etwa 12 Jahre vor

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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

etwa 12 Jahre vor

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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

etwa 12 Jahre vor

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Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

etwa 12 Jahre vor

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Twins in a Window
<http://en.wikipedia.org/wiki/Twin_primes Twin primes> are prime numbers that differ by 2, such as [11,13] or [41,43]. Write a f...

etwa 12 Jahre vor

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Steal, Share, or Catch
You, I, and a few other characters are going to play a game of *Steal, Share or Catch*. We are going to play it 10,000 times vs...

etwa 12 Jahre vor

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System of equations
Find a solution to a system of equations represented by a |n| by |n+1| matrix. For instance, [ 2 0 4; => 2*x = 4 ...

etwa 12 Jahre vor

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Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

etwa 12 Jahre vor

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Multielement indexing of a row array
The row array birthRateChina stores the China birth rate (per 1000 people) for years 2000 to 2012. Write a statement that create...

etwa 12 Jahre vor

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Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...

etwa 12 Jahre vor

Beantwortet
How can I find out what algorithm mldivide is using?
See *spparms* function. For example: A = sparse(diag(rand(5,1))) spparms('spumoni',2) A\rand(5,1) produces: s...

etwa 12 Jahre vor | 3

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Beantwortet
[Animation]: To animate a figure as function of several variables
See *getframe* and *movie* functions in the MATLAB documentation.There is a following example: Z = peaks; figure('Render...

mehr als 12 Jahre vor | 0

Beantwortet
Plotting a complicated function
Use *ezplot* function: ezplot('sqrt((2*(a+b))/(a*b)) - (1+sqrt(a))/sqrt(a) - (sqrt((2)/(b*(1+b))))*(1-b) = 1/sqrt(a) - (sqr...

mehr als 12 Jahre vor | 0