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行列内の素数の平均をとろう
行列が与えられたときに、その行列内の素数の平均を計算する関数を作成しましょう。例: 入力の行列が in = [ 8 3 　　　　　　　　　　　5 9 ] のとき、出力が 4 あるいは (3+5)/2 のようになり...

meer dan 3 jaar ago

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ゼロでない要素が一番多い行を探そう
行列 a が与えられたとき、行列 a の中で一番ゼロの要素が少ない行のインデクス r を返す関数を作成しましょう。このとき、行列 a には一つだけしかこの条件に当てはまる行がないと仮定します。例: 入力として、行列 a = [ 1 ...

meer dan 3 jaar ago

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特定の値がベクトル内に含まれているかを確認するコードを書こう
ベクトル b にあるスカラ値 a が含まれていれば出力として 1 を返し、含まれていなければ 0 を返すような関数を作成しましょう。例: a = 3; b = [1,2,4]; スカラ値 3 はベクトル b に含まれていない...

meer dan 3 jaar ago

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NaN (欠損値) が含まれている行を削除しよう
行列 A が与えられたとき、その行列の中に NaN (Not a number; 欠損値) の要素がある行を見つけ出し、その行を削除しましょう。例: A = [ 1 5 8 -3 NaN 14 ...

meer dan 3 jaar ago

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テレビのサイズを求めてみよう
あなたは電気屋で働いています。あなたの電気屋にテレビを買いに来たお客さんに「何インチのテレビを買いたいのか」と質問したところ、対角線の情報しかわからないと言われてしまいました。しかし、テレビのインチを知るには、幅と高さの情報が必要です。 ...

meer dan 3 jaar ago

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英語の文章内の母音を取り除くコードを書きましょう。
与えられた英語の文章内の母音を取り除きましょう。例: 入力 s1 が 'Jack and Jill went up the hill' の場合、出力 s2 は 'Jck nd Jll wnt p th hll' * (英語版) ...

meer dan 3 jaar ago

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Project Euler: Problem 9, Pythagorean numbers
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 =...

meer dan 3 jaar ago

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Add a row of zeros on top of a matrix
Given a matrix, insert a row of zeros as the top row.

meer dan 3 jaar ago

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Duplicate a character
Duplicate a character 'n' times. Example 1: str='a' n=5 output='aaaaa' Example 2: str='*' n=3 output='***'

meer dan 3 jaar ago

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Remove entire row and column in the matrix containing the input values
Remove the entire row and column from the matrix containing specific values. The specified value can be a scalar or a vector. Fo...

meer dan 3 jaar ago

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Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

meer dan 3 jaar ago

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Make one vector from two others
You are given two vectors of equal length. Your task is to create a MATLAB script that will repeat all of the values in the fir...

meer dan 3 jaar ago

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How many bottles can you drink?
Sometimes if you buy a drink in a glass bottle you can return that bottle and get some money back. Let's assume we have "x" a...

meer dan 3 jaar ago

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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]

meer dan 3 jaar ago

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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...

meer dan 3 jaar ago

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Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

meer dan 3 jaar ago

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Skip by a multiple
Given an integer create an array of its multiples. Array must have a length of 15

meer dan 3 jaar ago

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Kinetic Energy
Given the mass m and velocity v of an object, determine its <http://en.wikipedia.org/wiki/Kinetic_energy kinetic energy>.

meer dan 3 jaar ago

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metre to feet converter
The idea is to make a converter, which exchange meters to feets. We use a factor of 1m = 3.281*1f. so 3m are equals to 9.843 m...

meer dan 3 jaar ago

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Product of Array
Given an array of numbers. Get the product of the array.

meer dan 3 jaar ago

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Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

meer dan 3 jaar ago

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Determine the area of square if length of the diagonal is given

meer dan 3 jaar ago

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Given perimeter of a circle(P) and radius(r) find out what is the area of circle.

meer dan 3 jaar ago

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Matrix Pattern 1

meer dan 3 jaar ago

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Vector of digits (★★)
Given a positive integer x, construct a vector y with all the digits of x in the order of appearance in x. Thus, if x = 172...

meer dan 3 jaar ago

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Median computation (★)
Given a vector of values, compute the median. The median is defined as the middle value in a set of *sorted* data. Thus, if ...

meer dan 3 jaar ago

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Variance computation (★)
Given a vector x with several values, compute the variance, whose formula is given by: <<https://i.imgur.com/Wg95KBE.gif>> ...

meer dan 3 jaar ago

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Derivative of polynomial
Compute the derivative of a given polynomial. The input is an <http://www.mathworks.com/help/matlab/math/representing-polynomial...

meer dan 3 jaar ago

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Calculate the derivative of a polynomial
Example: in = [ 1 1 1 ] out = [ 2 1 ]

meer dan 3 jaar ago

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calculate linear convolution two vectors
for e.g in: a = [1 2 3] b = [4 5 6] out: y = [4 13 28 27 18]

meer dan 3 jaar ago