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Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. So if input x is x = [1 2 3 5] then the output y should be 11.

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Create a square matrix of zeros of even order

Create a square matrix of zeros of even order

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Look and say Conway's sequence

In mathematics, the look-and-say sequence is the sequence of integers beginning as follows: 1, 11, 21, 1211, 111221, 312211, ...

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Form Blocks in a 1D array

Lets say I have an array of size (10,1); I want to divide it into the num number of blocks which are given by user no_of_b...

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Change Vector Value

Change the element of the vector with respect to the element of the direction vector If the element of the direction vecto...

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Add 7

Given an input variable x, output a variable y that is 7 greater than x. Example: Input x = 1 Output y is 8 Input ...

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arithmetic progression

I've written a program to generate the first few terms of <https://en.wikipedia.org/wiki/Arithmetic_progression arithmetic progr...

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Determinant without using det()

Given a square matrix A, compute the <http://en.wikipedia.org/wiki/Determinant determinant> of A. Note that you may not use t...

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Sort (high on middle, low on ends)

Sort the vector of numbers in order low-high-low. Even numbers appear in ascending order on the left and odd numbers appear in d...

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Radiation Heat Transfer — View Factors (3)

View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...

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Radiation Heat Transfer — View Factors (2)

View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...

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Replace May with April

For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

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Sum the 'edge' values of a matrix

Sum the 'edge' values of an input matrix (the values along the perimeter). Example [1 2 3 4 5 6 7 8 9] Output = ...

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geometric progression

I've modified my <http://uk.mathworks.com/matlabcentral/cody/problems/2800-arithmetic-progression previous program> so that it n...

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Radiation Heat Transfer — View Factors (1)

View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...

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Split up vector or matrix delimited by NaNs

Given several vectors contained within one vector delimited by NaNs, return each individual vector as an element of a cell vecto...

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Swap the input arguments

Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

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Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

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Solve Linear equations

Solve Linear equations Example: x+y=2 and x+2y=3, then x and y equal to 1.

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length of string on cylinder

A cylinder H cm high has a circumference of C cm. A string makes exactly N complete turns round the cylinder while its two ends ...

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Rotate a Matrix

Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

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Find the largest value in the 3D matrix

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

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Wind Chill Computation

On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

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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...

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Count number of words in string

Count number of words in string E.g. 'hi', answer is 1 'hi hi', answer is 2 'I enjoy cody', answer is 3

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Stuff the Board

You have a stack of tiles to put onto an array-like playing board. Each tile has a number (always an integer), and the board var...

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Scoring for oriented dominoes

Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

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Beginner's Problem - Squaring

Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

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