Community Profile

photo

Takumi


Last seen: 11 månader ago Active since 2018

Statistics

All
  • Thankful Level 2
  • Community Group Solver
  • CUP Challenge Master
  • Cody Problems in Japanese Master
  • Introduction to MATLAB Master
  • Solver
  • Knowledgeable Level 4
  • 3 Month Streak
  • First Answer
  • Thankful Level 1

View badges

Content Feed

View by

Question


コンターレベル数とレベル範囲を任意に指定する方法
コンター図においてレベルの範囲とその範囲におけるレベル数(分割数)を指定したいと思っています. 例えば,以下は表示レベル範囲を1e-1*[-1 1],その間におけるコンターレベル分割数を50にしようとしています. x = linspace(-2*pi,...

mer än ett år ago | 1 answer | 0

1

answer

Answered
3次元プロットについて
いくつか方法がありますが,簡単なのは4点(閉じるなら5点)を配列にすることです x1 = 0; y1 = 0; z1 = 0; x2 = 1/sqrt(2); y2 = 1/sqrt(2); z2 = 0; x3 = 1/sqrt(2...

mer än ett år ago | 0

| accepted

Answered
入力引数が足りない原因が分かりません
関数ファイルを実行したのではないでしょうか.関数は,.mファイルに定義した後 E=func1(1:4,1,1) のように使います. 詳細は関数名、入力および出力の宣言を御覧ください.

mer än ett år ago | 0

| accepted

Answered
エラーが何行目か知りたいです
以下を参考にスクリプトを作成して実行してみてください。 <https://jp.mathworks.com/help/matlab/matlab_prog/create-scripts.html>

mer än ett år ago | 0

| accepted

Solved


5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

mer än ett år ago

Solved


The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

mer än ett år ago

Solved


An asteroid and a spacecraft
&#128640 Imagine a non-relativistic simple situation. Assume positions p0, p1, p2, and p3 are three dimensional Cartesian ...

mer än ett år ago

Solved


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...

mer än ett år ago

Solved


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

mer än ett år ago

Solved


Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

mer än ett år ago

Solved


Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

mer än ett år ago

Solved


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

mer än ett år ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

mer än ett år ago

Solved


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

mer än ett år ago

Solved


radius of a spherical planet
You just measured its surface area, that is the input.

mer än ett år ago

Solved


Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

mer än ett år ago

Solved


Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

mer än ett år ago

Solved


Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

mer än ett år ago

Solved


Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

mer än ett år ago

Solved


Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F(n) = F(n-1) + F(n-2) * where F(1) = 1 and F(1)...

mer än ett år ago

Solved


Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

mer än ett år ago

Solved


Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

mer än ett år ago

Solved


Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

mer än ett år ago

Solved


Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

mer än ett år ago

Solved


Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

mer än ett år ago

Solved


Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

mer än ett år ago

Solved


Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

mer än ett år ago

Solved


Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

mer än ett år ago

Solved


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.&#8519;^(-&lambda;t)*cos(2πft)| where |A|, |&lambda;|, and |f| ...

mer än ett år ago

Solved


Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x&#8321;_ + _x&#8322;_ = 2 _x&#8321;...

mer än ett år ago

Load more