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Matlab Basics - Create a row vector
Write a Matlab script to create a row vector of 10 consecutive numbers x = [1 2 3 4 5 6 7 8 9 10]

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convert matrix to single column
given any matrix, convert it to single column

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First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

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Generate N equally spaced intervals between -L and L
Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. F...

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vectorization in N
For a given integer n (n>1), compute the sum f (i) (1 <= i <= n) where f (i) = 1 if n is odd and 2 otherwise.

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sum of first 'n' terms
Given n=10, find the sum of first 'n' terms Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these n=10 terms is 55...

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Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

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Getting the indices from a matrice
Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...

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Pregunta

M2014b+ graphics, changing legend orientation ex post
Under new Matlab graphics, changing the legend orientation does not work well if the legend was created with all 4 output argume...

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Find the sum of the negative elements under the main diagonal.
Example Input A=[1 2; -3 0] Output -3

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Find Euclidean norm of given vector u.
Find Euclidean norm of given vector u. https://en.wikipedia.org/wiki/Euclidean_distance Example x=[1 1] result=sqrt(1^2+1^2...

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Numerate input arguments
For every input, output the number. Example: [a, b] = Test('first', 'second') a=1; b=2;

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What's size of TV?
Many people buy TV. Usually they ask about diagonal. But also important are width and height. Let's assume that all TV have rati...

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Additive persistence
Inspired by Problem 2008 created by Ziko. In mathematics, the persistence of a number is the *number of times* one must apply...

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Calculate circle's property
[A R]=function(r) r is radius, A is area of circles, R is circumference. A=pi*r^2 R=2*pi*r

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Calculate inverse matrix in m by n matrix
x=(1:10)' y=roundn(2*x+7*rand(size(x)),-1) a*x=y Estimate a using inverse matrix calculation. This is principle of li...

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Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

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How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?

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Conduct inner product using given matrix
a=[1 2 3]; b=[3 4 5]; y=function(a,b) Output y should be 26

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Make random permutation
Make random permutation that consist of random number from 1 to n.

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Print true if
all elements are larger than 5 a=[1 3 5 8 6]; b=[6 6 6 6 6]; function(a) should be false, and function(b) will be tru...

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Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

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Save variables
a=[1] Save variable a that is located in workspace into current folder. File name should be 'a.mat'

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Zero padding
Create y = {'01';'02';'03';'04';'05';'06';'07';'08';'09';'10'} from x = 1:10

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Problema

Zero padding
Create y = {'01';'02';'03';'04';'05';'06';'07';'08';'09';'10'} from x = 1:10

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Sort rows of a matrix
Sort rows of matrix A in an ascending order according to the last column Example input: A = [1 2 3;7 8 9;4 5 6]; Exam...

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Problema

Sort rows of a matrix
Sort rows of matrix A in an ascending order according to the last column Example input: A = [1 2 3;7 8 9;4 5 6]; Exam...

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Problema

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...

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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.

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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();...

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