Solved

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

4 years ago

Solved

Sum the numbers on the main diagonal
Sum the numbers on the main diagonal of an n-by-n matrix. For input: A = [1 2 4 3 6 2 2 4 7]...

4 years ago

Solved

02 - Vector Variables 5
_eVec_ = _Hello_ ( _eVec_ is a string, which is a vector of characters )

4 years ago

Solved

Pattern Sum
Write a function which receives two single digit positive integers, (k and m) as parameters and calculates the total sum as: k...

4 years ago

Solved

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...

4 years ago

Solved

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...

4 years ago

Solved

Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

4 years ago

Solved

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

4 years ago

Solved

Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

4 years ago

Solved

(Linear) Recurrence Equations - Generalised Fibonacci-like sequences
This problem is inspired by problems <http://uk.mathworks.com/matlabcentral/cody/problems/2187-generalized-fibonacci 2187>, <htt...

4 years ago

Solved

Back to basics 10 - Max Float
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive floating-point number MATLAB can han...

4 years ago

Solved

Back to basics 5 - Clipboard
Covering some basic topics I haven't seen elsewhere on Cody. Copy the input string to the clipboard

4 years ago

Solved

Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

4 years ago

Solved

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...

4 years ago

Solved

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 years ago

Solved

Given a matrix, return the last eigen value
Given a matrix, return the first eigen value For example: x = magic(5) 17 24 1 8 15 23 5 7 14 ...

4 years ago

Solved

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)

4 years ago

Solved

Create matrix of replicated elements
Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. Example: Input: ...

4 years ago

Solved

Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0

4 years ago

Solved

Armstrong Number
Determine whether the given input n-digit number is Armstrong Number or not. Return True if it is an Armstrong Number. An n-D...

4 years ago

Solved

Replacing a row
For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

4 years ago

Solved

Compute Fibonacci Number
Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296

4 years ago

Solved

Positive Infinity
Round the array a towards positive infinity

4 years ago

Solved

Make an awesome ramp for a tiny motorcycle stuntman
Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

4 years ago

Solved

03 - Matrix Variables 4
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3d.png>> A 3x4 NaN (Not a Number) matrix (Hint: use ...

4 years ago

Solved

Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1

4 years ago

Solved

Element by element multiplication of two vectors
Given two input vectors, return the element-by-element product. Example A = [1 2 3] B = [7 3 1] The answer should be...

4 years ago

Solved

Basic arrays operations.
Apply element-by-element binary operation 'fun' to two arrays (A and B).

4 years ago

Solved

Triangle Numbers Below N
This is an offshoot of <http://www.mathworks.com/matlabcentral/cody/problems/5-triangle-numbers Cody Problem 5: Triangle Numbers...

4 years ago

Solved

Create incrementing array
Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

4 years ago