Gelöst


Spectral Distance - Speed Scoring
Find quantity of pixels within a spectral distance from a given [r,g,b] spectra. *Spectral distance* = sqrt( (r0-ri)^2+(g0-gi...

etwa 14 Jahre vor

Problem


Hyperspectral Processing: Determine Material Components given a Hyperspectral vector
Given a hyperspectral data set and Reflectance Spectral Signature Library determine a pixel's component percentages. <http:/...

etwa 14 Jahre vor | 4 | 11 Lösungsvorschläge

Gelöst


Hyperspectral Processing: Determine Material Components given a Hyperspectral vector
Given a hyperspectral data set and Reflectance Spectral Signature Library determine a pixel's component percentages. <http:/...

etwa 14 Jahre vor

Gelöst


Find all the zeros of sinus , cosinus and tangent in a given interval
The aim is to find all the zeros of a function within an interval. *Input* : * fcn : an anonymous function (@sin, @cos......

etwa 14 Jahre vor

Beantwortet
How to Plot a matrix?
Visualizing a matrix for relative magnitudes can be done with surf or I like imagesc. A=randi(256,[64 128]); figure;imag...

etwa 14 Jahre vor | 0

Gelöst


Compute the dilation of a binary image
A basic operation in image analysis is the dilation. Given an image where each pixel is either on or off (black/white, true/fals...

etwa 14 Jahre vor

Gelöst


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

etwa 14 Jahre vor

Gelöst


Pythagorean perfect squares: find the square of the hypotenuse and the length of the other side
Given the square root of a square number, *seed*, and a range, *n*, find the square number, *Z* as well as the other side, *y*, ...

etwa 14 Jahre vor

Gelöst


Similar Triangles - find the height of the tree
Given the height, h1, of a power pole, shorter than a tree, a given distance, x2 away, please find h2, height of the tree. Pleas...

etwa 14 Jahre vor

Problem


Solve Quadratic : No * - or key functions permitted
Solve the quadratic equation *ax^2+bx+c=0*. However, some of the normal functions and symbols are not allowed. x=[ -b +/- sq...

etwa 14 Jahre vor | 1 | 35 Lösungsvorschläge

Gelöst


Solve Quadratic : No * - or key functions permitted
Solve the quadratic equation *ax^2+bx+c=0*. However, some of the normal functions and symbols are not allowed. x=[ -b +/- sq...

etwa 14 Jahre vor

Problem


Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

etwa 14 Jahre vor | 5 | 253 Lösungsvorschläge

Gelöst


Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

etwa 14 Jahre vor

Gelöst


Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

etwa 14 Jahre vor

Gelöst


Convert single-precision floating-point number to binary representation
Write a function which takes a scalar <http://en.wikipedia.org/wiki/Single-precision_floating-point_format single-precision floa...

etwa 14 Jahre vor

Gelöst


Find similar/related functions
The _help_ function can be useful for getting quick assistance on a particular function. For most built-in MATLAB functions, a p...

etwa 14 Jahre vor

Gelöst


Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

etwa 14 Jahre vor

Gelöst


Pentago: find winning move
<http://en.wikipedia.org/wiki/Pentago Pentago> is a challenging two-player strategy game. The objective is to be the first playe...

etwa 14 Jahre vor

Gelöst


Change a specific color in an image
The ability to change colors can be a useful tool in image processing. Given an m x n x 3 array (much like CData in images), fin...

etwa 14 Jahre vor

Gelöst


Find indices of multiple minima in a vector
I have a vector, say: x= [ 1 5 6 2 6 1 3 5 1] Now I would like to get the index of the minimum values in this vector. When...

etwa 14 Jahre vor

Gelöst


Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

etwa 14 Jahre vor

Gelöst


Find the "ordinary" or Euclidean distance between A and Z
A, B and Z define three points in the 3D _Euclidean_ space of the form: A = [x1;y1;0]; B = [x2;y2;0]; Z = [x2;y2;z]; Find th...

etwa 14 Jahre vor

Gelöst


Global usage
This Challenge is to utilize Global variables. Global variables are risky as the subroutine may inadvertently and unwantingly...

etwa 14 Jahre vor

Gelöst


Clock Hand Angle 1
Given a time in HH:MM:SS, find the smallest angle (in degrees) between the hour and minute hand

etwa 14 Jahre vor

Gelöst


Given two strings, find the maximum overlap
Given two strings s1 and s2, create a new string s3 which is as short as possible and contains both strings. If s1 = [1 2...

etwa 14 Jahre vor

Gelöst


Find matching parenthesis
One of the most indispensable things about a great text editor for programming is the ability to quickly jump between matching p...

etwa 14 Jahre vor

Gelöst


Create a function handle that reverses the input arguments of another function handle
Given a function that takes two input arguments and returns one output, create another function handle that performs the same op...

etwa 14 Jahre vor

Gelöst


Persistent Usage
This Challenge is to implement the Matlab Persistent variable capability. Given a sequence of Calls to a function return the ...

etwa 14 Jahre vor

Gelöst


Longest Divisor Run
Given the vector a, find the longest run of consecutive numbers that can be evenly divided by the same number d where d > 1. ...

etwa 14 Jahre vor

Problem


Mandelbrot Number Test [Real+Imaginary]
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...

etwa 14 Jahre vor | 1 | 29 Lösungsvorschläge

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