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create a function that give us like the following
x=3 y= [1 -1 -1 0 1 -1 0 0 1]; -------------------------------- x=5 y= [ 1 -1 -...

4 months ago

Problem

create a function that give us like the following
x=3 y= [1 -1 -1 0 1 -1 0 0 1]; -------------------------------- x=5 y= [ 1 -1 -...

4 months ago | 0 | 18 solvers

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Remove element(s) from cell array
You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

4 months ago

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Convert a vector into a number
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

4 months ago

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Write a function man that takes a row vector v and returns a matrix H as follows..
Write a function called man that takes a row vector v as an input and returns a matrix H whose first column consist of the eleme...

4 months ago

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Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

4 months ago

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Set some matrix elements to zero
First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix: 1 2 3 ...

4 months ago

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Reverse the elements of an array
Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

4 months ago

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select the primes of a vector
Find the prime numbers in a vector

4 months ago

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frame of the matrix
Given the matrix M, return M without the external frame.

4 months ago

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Angle between two vectors
You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

4 months ago

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Return elements unique to either input
Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...

4 months ago

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Generate a random matrix A of (1,-1)
Input n: is an positive integer which serves as the dimension of the matrix A; Output: A=(Aij),where each entry Aij is either...

4 months ago

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Back to basics 2 - Function Path
Covering some basic topics I haven't seen elsewhere on Cody. Given a string that is the name of a MATLAB function, return a s...

4 months ago

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

4 months ago

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Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

4 months ago

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07 - Common functions and indexing 1
Define _cMat_: <<http://samle.dk/STTBDP/Assignment1_3c.png>> ( _cMat_ = 10x10 matrix where the numbers from 1 to 100 runs ...

4 months ago

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04 - Scalar Equations 2
Define the variables a and b: <<http://samle.dk/STTBDP/Assignment1_4-a.png>> <<http://samle.dk/STTBDP/Assignment1_4-b.png>...

4 months ago

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Create a vector whose elements depend on the previous element
The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

4 months ago

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04 - Scalar Equations 3
Define the variables a, b, and c: <<http://samle.dk/STTBDP/Assignment1_4-a.png>> <<http://samle.dk/STTBDP/Assignment1_4-b....

4 months ago

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07 - Common functions and indexing 2
Define _eMat_: <<http://samle.dk/STTBDP/Assignment1_3e.png>> Calculate eMean as the mean across the rows of _eMat_. The an...

4 months ago

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06 - Matrix Equations 2
Define the vectors _aVec_ and _bVec_: <<http://samle.dk/STTBDP/Assignment1_2a.png>> and <<http://samle.dk/STTBDP/Assig...

4 months ago

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07 - Common functions and indexing 3
Define _eMat_: <<http://samle.dk/STTBDP/Assignment1_3e.png>> Create the variable _eMat2_, which is equal to _eMat_ with th...

4 months ago

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07 - Common functions and indexing 4
Define the matrix _cMat_: <<http://samle.dk/STTBDP/Assignment1_3c.png>> ( _cMat_ = 10x10 matrix where the numbers from 1 t...

4 months ago

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02 - Vector Variables 4
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_2d.png>> (Logarithmically spaced numbers between 1 and 1...

4 months ago

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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

4 months ago

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Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.

4 months ago

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Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

4 months ago

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Who invented zero?
We know the importance zero in computer science, mathematics... but who invented zero? Clue: He was the first in the line ...

4 months ago

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Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

4 months ago