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Intercambiar columnas

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01-01: 正弦波の生成
「MATLABで学ぶ実践画像・音声処理入門」のプログラム1-1 と同じ正弦波を、サンプリング周波数 10kHz で生成し、返却する関数を作成せよ。

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Conta Consoantes
Dada uma string A, retorne a quantidade de consoantes de A; ContaConsoantes('Hello World') = 7;

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String revert
Revert all words in a sting x for example, if x = 'this is a sentence' then y should be 'sentence a is this'

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Speed of car
Calculate the Speed of car given its Distance travelled and time taken in x and y respectively

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What number has this problem?
This problem is added because it is problem number *???* in the "Community" problems section. <http://www.mathworks.de/matlab...

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Determine whether the input is divisible by 3 as well as 5
If the input is divisible by 3 as well as 5 then the output should be 'true' otherwise 'false'

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The Dark Side of the Die
It is well-known that opposite sides of a classic hexahedral die add to 7. Given a vector of dice rolls, calculate the sum of th...

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Test if a number is numeric or not
Test if a number is numeric or not

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An n-sided regular polygon is drawn within a circle whose radius is 'r', what will be the area of the polygon?
area of a polygon is p*a/2. where, p is the perimeter and a is the apothem i.e. the normal distance from center to any of the si...

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Min-Max digit

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Leader
An element of a list is called a "leader" if every element to its right (and not just the one immediately to its right) is stric...

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A row vector, pick 1st number, skip 1,pick 3rd number, skip 2,pick,skip,etc then place all picked numbers in order in new vector
Having a row vector of number, pick the first number, place in new output vector as the first value, then skip one number, pick...

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Average Grade
Given a 1x5 vector presents the grades of a student on five tests. Calculate the average grade of that student.

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Sum of a geometric series
Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.

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Is It a Palindrome?
Given a string or array, determine if it is a palindrome.

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Determina el número de cifras de un número
Crea una función que te devuelva el número de cifras de un número. Algunos ejemplos para ayudarte serían: El número 125 tie...

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find the 'M'
for an input x, return 1 at the location of the letter 'M'

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Reverse Integer
You are given an integer, reverse its digits. For negative integers, the sign should remain in the front. For instance, 12340 s...

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Vector Magnitude Calculator
'a' is a vector that starts at the origin and ends at (x, y). Find ||a||. Hint: It is as simple as "ABC".

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Ordinary Annuity : Periodic Payments (Future Value)
Theorem : Future Value of an Ordinary Annuity where; F : Future value A : Periodic payment r : Rate per period n : Numbe...

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Back to basics 4 - Search Path
Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the user's portion of the current search...

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Find duplicate number from a vector of size n + 1 containing numbers from 1:n
From a given vector of size n + 1, return the duplicate number. Constraints The vector can only contain numbers from 1 to ...

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matrix of natural number
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 resides seially as shown in the examples below. ...

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Lancer de dés
Ecrire une fonction qui imite le lancer d'un dé, i-e qui renvoie de façon aléatoire un entier entre 1 et 6. Attention cette fon...

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Ordinary Annuity : Present Value
Theorem : Present Value of an Ordinary Annuity where; P : Present value of all payments A : Periodic payment r : Interest ...

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Matlab Table - Temperature Coefficient of Resistance

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Matlab Basics II - Max & Index of Max
Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

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Find cross product of 2 vectors
Find cross product of 2 vectors

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Rotate a matrix for 180 degree
Rotate a matrix for 180 degree for eg: x=[1 2 3 4] y=[4 3 2 1]

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