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Takumi


Last seen: 4 Tage ago
186 total contributions since 2018

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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,...

2 Monate 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...

3 Monate 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．

3 Monate 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>

5 Monate 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...

6 Monate 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...

6 Monate 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 ...

6 Monate 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...

6 Monate ago

Solved


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

6 Monate 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...

6 Monate 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...

6 Monate 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...

6 Monate 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...

6 Monate 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...

6 Monate ago

Solved


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

6 Monate ago

Solved


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

6 Monate 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...

6 Monate 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...

6 Monate 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...

6 Monate 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)...

6 Monate 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 ...

6 Monate 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...

6 Monate 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|...

6 Monate 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 ...

6 Monate 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...

6 Monate 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...

6 Monate 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 ...

6 Monate 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...

6 Monate 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| ...

6 Monate 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;...

6 Monate ago

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