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Kohei Ikeda


Last seen: 3 mois il y a Actif depuis 2022

hi there.

Programming Languages:
Python, C, Javascript, MATLAB, HTML, CSS
Spoken Languages:
Japanese

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  • 3 Month Streak
  • Knowledgeable Level 1
  • First Answer
  • Introduction to MATLAB Master
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  • GitHub Submissions Level 1

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A répondu
マトラボコードのブレークポイントについて
全ての行にブレークポイントを貼る方法は存じ上げないのですが、 エラーブレークポイントと呼ばれるエラーが起きたらスクリプトの実行を一時停止する方法があります。 [実行]の下にある▼をクリックします。 2....

7 mois il y a | 1

A répondu
&&の使い方がわからない
if x > L/2 && temp(n - 1, 1) < L/2 この部分は2つの条件がどちらも満たしているか判定しています。 日本語でそれっぽく表現すると、 "xがL/2よりも大きい かつ temp(n - 1, 1)がL/2よりも...

8 mois il y a | 1

A répondu
テーブル内にある日時データから特定した曜日情報を、元のテーブルに追加したい
addvars関数 を使うことで、テーブルの列を追加できます。 追加位置も指定できます。(以下はざっくりとしたサンプルコードです) % 日時データ入りのテーブルを作成 t = array2table(randi([-10,10],10,5)); ...

8 mois il y a | 1

| A accepté

A résolu


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

10 mois il y a

A résolu


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

10 mois il y a

A résolu


Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

10 mois il y a

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

10 mois il y a

A résolu


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...

10 mois il y a

A résolu


Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

10 mois il y a

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

10 mois il y a

A résolu


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

10 mois il y a

A résolu


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

10 mois il y a

A résolu


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

10 mois il y a

A résolu


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 = ...

10 mois il y a

A résolu


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

10 mois il y a

A résolu


Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

10 mois il y a

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displayed ...

10 mois il y a

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

10 mois il y a

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

10 mois il y a

A résolu


Return area of square
Side of square=input=a Area=output=b

10 mois il y a

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

10 mois il y a

A résolu


Add two numbers
Given a and b, return the sum a+b in c.

10 mois il y a

A résolu


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

10 mois il y a

A résolu


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

10 mois il y a

A résolu


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

10 mois il y a

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Create a vector
Create a vector from 0 to n by intervals of 2.

10 mois il y a

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

10 mois il y a

A résolu


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

10 mois il y a

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Find max
Find the maximum value of a given vector or matrix.

10 mois il y a

A résolu


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

10 mois il y a

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