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Find a common edge

First input is T, a triplet list of indices. Second input is e = [e1 e2], a row vector, couple of indices (positive distinct int...

4 months ago

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Find a common vertex

First input is T, a triplet list of indices. Second input is i, a single index (positive integer). The goal of this function is ...

4 months ago

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Rotate a matrix without using rot90

rotate the input square matrix by certain degrees (e.g. 270 or 450 etc.) without using rot90 or flip function. its an extension...

4 months ago

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Where is 1?

There is a 3d matrix [A] that consist of many zeros and only one. A=zeros(100,100,100); i=randi(100); j=randi(100); ...

4 months ago

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Analyze observation data

Suppose you have the following data (A,B,C) in three-column format. A B C -------------------------- t=1 ...

4 months ago

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Tridiagonal matrix

Given vectors u and v, make a tri-diagonal symmetric matrix such that u is in the main diagonal and v is below and above diagona...

4 months ago

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calculate the day of the year from a date string.

'09-Oct-2016' is the 283rd day of the year. So doy = dayoftheyear('09-Oct-2016') should return doy = 283

4 months ago

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Some tweaks in summation, Can you decode? :)

There are some tweaks in summation that you might observe via test suites Try if you can

4 months ago

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Modified Upper Matrix Mock

Given a vector v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 0 3 6 9 11; 0 0 6 9 11; 0 0 0 9 11; 0 0 0...

4 months ago

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Integrate Me

Given polynomial, output the integral (with k = 1 for simplicity purposes) Example: input = [2 1] % 2x+1 output = [1 1 1]...

4 months ago

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Determinate if day D is a date that occurs during Daylight Saving Time in Italy

<https://en.wikipedia.org/wiki/Summer_Time_in_Europe>

4 months ago

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Find Adjacency Matrix

Graph is undirected. (s,t) in node pairs. Please, return full storage version of the matrix.(use _full(A)_ ) Input: s...

4 months ago

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Logical array indexing - part 1

Given an array |A| of size |p x q| , return an array |Y| of the same size such that the following conditions are satisfied. (...

4 months ago

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Create a fixed format text output

Given a short brief matrix, such as x = [1.2 2.4 3.6; 1.5 2.3 3.5; 1.35 2.35 3.65] and a label 13, create a fixed format text o...

4 months ago

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Extract part elements of matrix into one new matrix

Given a matrix that includes different nonzero and zero entries, extract the nonzero elements and form a new matrix. The new mat...

4 months ago

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Put all numbers in a string inside square brackets

Examples: 'left3down2' -> 'left[3]down[2]' 'fiat500' -> 'fiat[500]'

4 months ago

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Namespace

Create a set of n variable names 'a_1',...,'a_n' The result should be a column oriented cell array of strings. Example inp...

4 months ago

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Wrap-around effect

In vector x of length n we define (n+1) position as going back to the first position (so called wrap-around effect). Can you ret...

4 months ago

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Return strings encapsulated by braces

Return all substrings that are contained within braces ({}). For example: str = 'x = rho*x{-1} + (1-rho)*y{+1}'; when...

4 months ago

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Send vector into a struct object

Construct a struct object that contains n fields named a1, a2, ..., an, and has values from a given input vector of length n.

4 months ago

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struct2values()

Convert a struct object into a column vector. You can assume that the struct elements are scalars Example: a = struct();...

4 months ago

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Leading-zero padding

Write a function that will add leading-zero padding to all numbers in the supplied vector, as necessary, based on the maximum nu...

4 months ago

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Pairwise column flip

Given matrix *M_in*, flip every pair of columns. So if *M_in* is 1 2 3 4 1 2 3 4 then *M_out* is 2 1 4 3 2 1 4 3 ...

4 months ago

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Create a New_Word

The output of the function is a new word created from the word entered into the function. The new word is created by deleting th...

4 months ago

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Multiply Column

Given two input, one matrix and one scalar number For example A is a matrix given A = [ 1 2 2 5 2 5 2 3 4 6...

4 months ago

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Matrix to 3-Column Matrix

Consider a matrix *A* such as A = [1 2 3 3 4 5 6; 2 3 4 5 6 7 8]; Can you convert this matrix to a three-column ...

4 months ago