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Feeds
A résolu
Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1
environ 9 ans il y a
A résolu
Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...
environ 9 ans il y a
A résolu
Angle between Two Vectors
The dot product relationship, a dot b = | a | | b | cos(theta), can be used to determine the acute angle between vector a and ve...
environ 9 ans il y a
A résolu
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...
environ 9 ans il y a
A résolu
"mirror" matrix
Create n x 2n "mirror" matrix of this type: e.g. for n = 2 m = [1 2 2 1;1 2 2 1] e.g. for n = 3 m = [1 2 3 3 2 1...
environ 9 ans il y a
A résolu
Solve the set of simultaneous linear equations
Given this pair of simultaneous linear equations: 2x + 3y = 23 3x + 4y = 32 Find the solution set (x,y)
environ 9 ans il y a
A résolu
Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
environ 9 ans il y a
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Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.
environ 9 ans il y a
A résolu
Matrix to column conversion
Given a matrix of any size, convert it into a column vector. e.g A=[10 20 30; 40 50 60] then, B = [10; 40; ...
environ 9 ans il y a
A résolu
Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...
environ 9 ans il y a
A résolu
Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.
environ 9 ans il y a
A résolu
What's Your BMI?
Find the body mass index. For reference, please refer to Wikipedia here: <http://en.wikipedia.org/wiki/Body_mass_index body ...
environ 9 ans il y a
A résolu
Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...
environ 9 ans il y a
A résolu
Back to basics 7 - Equal NaNs
Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...
environ 9 ans il y a
A résolu
06 - Matrix Equations 1
Define the vectors _aVec_ and _bVec_ and the matrix _aMat_: <<http://samle.dk/STTBDP/Assignment1_2a.png>> and <<http:/...
environ 9 ans il y a
A résolu
Matrix which contains the values of an other matrix A at the given locations.
If you have two matrices, which together give xc and yc coordinates into another matrix, eg : xc = [1 1 1; 2 2 1]; ...
environ 9 ans il y a
A résolu
Divide by 4
Given the variable x as your input, divide it by four and put the result in y.
environ 9 ans il y a
A résolu
Compare two input matrices
Check which input matrix has more elements. Return "1" if matrix A has more elements than matrix B. Otherwise return "0". Exa...
environ 9 ans il y a
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03 - Matrix Variables 6
Make _fMat_ be a 5x3 matrix of random integers with values from -3 to 3 (Hint: use *randi*)
environ 9 ans il y a
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03 - Matrix Variables 5
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3e.png>>
environ 9 ans il y a
A résolu
Back to basics - mean of corner elements of a matrix
Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5
environ 9 ans il y a
A résolu
Duplicate each element of a vector.
for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...
environ 9 ans il y a
A résolu
Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...
environ 9 ans il y a
A résolu
Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]
environ 9 ans il y a
A résolu
Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...
environ 9 ans il y a
