源樹上林

Last seen: 5 días ago

109 total contributions since 2020

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Is the Point in a Triangle?
Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

20 días ago

Answered
ラベル付けされたtableをカウントする方法について
　解決されたようで何よりです。　すみません、まだこの掲示板の使い方になれていないもので。選べないのはおそらく僕の書き込みがコメントだからです。回答の方に再投稿しておきます。 % ゼロ以外のインデックス i = not( cellfun( @(x) ...

alrededor de 1 mes ago | 0

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中心を軸とした配列の入れ替え
　マニュアルを見ると circshift の2つ目の引数は整数と書いてあります。エラーメッセージに書いてあるとおりです。ceilとかfloorで整数にしたところで希望する結果は得られません。　関数1個で解決するに越したことはないのですが、最適なものを見...

alrededor de 1 mes ago | 0

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power_fuel_cellで負荷側の条件を時間変化させる方法
　どういうデータ構造なのかがわからないのでとても答えづらいですが、仮にこんな構造だったらこうするというやり方で回答しておきます。 data = [ (1:300)', rand( 300, 2 ) ]; time = data( :, 1 ); ...

alrededor de 1 mes ago | 0

| accepted

Answered
for文の書き方
一見簡単な質問のように見えるけど、簡単すぎて本当は難しい問題なんじゃないだろうかと悩みました。とりあえず深く考えずに回答してみます。 N = 10;　% ファイルの個数 for i = 1:N fname = [ 'img' sprint...

alrededor de 2 meses ago | 0

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Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
If _p_ is the perimeter of a right angle triangle with integral length sides, { _a_, _b_, _c_ }, there are exactly three solutio...

2 meses ago

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frame of the matrix
Given the matrix M, return M without the external frame.

3 meses ago

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subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

3 meses ago

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Calculate the centroid of a triangle
Info: https://en.wikipedia.org/wiki/Centroid Example Input: x = [0 0 1]; % x-coordinate y = [0 1 0]; % y-coordinat...

5 meses ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

5 meses ago

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Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

5 meses ago

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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

5 meses ago

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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

5 meses ago

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Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

5 meses ago

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Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

5 meses ago

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...

5 meses ago

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MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

5 meses ago

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MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

5 meses ago

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MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

5 meses ago

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MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

5 meses ago

Answered
計測器で計測した不規則な変化のデータで、FFT解析を行う方法
時間変化が不均一なのが一番の問題なんだと思います。あとは大丈夫ですよね。リサンプリングについて調べてみてください。

5 meses ago | 0

Solved

Find my daddy long leg (No 's')
Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

5 meses ago

Answered
行列の範囲指定をして総和を算出する方法を知りたいです。
多分これで。 sum(A(200:400,:))

5 meses ago | 0

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Natural numbers in string form
Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

5 meses ago

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Fix the last element of a cell array
Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

5 meses ago

Solved

String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

5 meses ago

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Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

5 meses ago

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Remove element(s) from cell array
You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

5 meses ago

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Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

5 meses ago

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Split a string into chunks of specified length
Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

5 meses ago

源樹 上林

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