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Ryo Ishido


Last seen: Today Active since 2018

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  • Tiles Challenge Master
  • Matrix Patterns II Master
  • Sequences And Series II Master
  • Matrix Manipulation II Master
  • Indexing II Master
  • Promoter
  • Strings I Master
  • CUP Challenge Master
  • ASEE Challenge Master
  • Cody5 Easy Master
  • Cody Problems in Japanese Master
  • Magic Numbers II Master

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Is the Point in a Circle?
Check whether a point or multiple points is/are in a circle centered at point (x0, y0) with radius r. Points = [x, y]; c...

etwa 15 Stunden ago

Solved


Angle between Two Vectors
The dot product relationship, a dot b = | a | | b | cos(theta), can be used to determine the acute angle between vector a and ve...

etwa 15 Stunden ago

Solved


Spherical radius given four points
Determine the radius of a sphere provided four non-coplanar points on the surface of the sphere. pts = [x1 y1 z1; x...

etwa 15 Stunden ago

Solved


Volume of a Parallelepiped
Calculate the volume of a Parallelepiped given the vectors for three edges that meet at one vertex. A cube is a special case ...

etwa 18 Stunden ago

Solved


Are all the three given point in the same line?
In this problem the input is the coordinate of the three points in a XY plane? P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) how can...

ein Tag ago

Solved


Who has power to do everything in this world?
There is only one person who is older than this universe. He is Indian version of Chuck Norris.

ein Tag ago

Solved


y equals x divided by 2
function y = x/2

ein Tag ago

Solved


Min of a Matrix
Return the minimum value in the given matrix.

ein Tag ago

Solved


Symmetric matrix
You must create a n-by-n *symmetric* matrix such that A(row,col) = row/col for col >= row. Example if n =3 : output is : ...

ein Tag ago

Solved


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

ein Tag ago

Solved


Counting down
Create a vector that counts from 450 to 200 in increments of 10.

ein Tag ago

Solved


Back to basics 25 - Valid variable names
Covering some basic topics I haven't seen elsewhere on Cody. Given a string, return true if it is a valid MATLAB variable nam...

ein Tag ago

Solved


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...

ein Tag ago

Solved


Matlab Basics - y as a function of x
Write a function to calculate y as a function of x, such that y = 6x^2 + 5x - 2

ein Tag ago

Solved


Back to basics 15 - classes
Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.

ein Tag ago

Solved


Beginner's Problem - Squaring
Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

ein Tag ago

Solved


Find out total non zero element of matrix
Find out Non zero element of matrix A=magic(5) 17 24 1 8 15 23 5 7 14 16 4 6...

ein Tag ago

Solved


Replace every 3rd element in a vector with 4
x is a vector of undetermined length You are to replace every 3rd element with the number 4, example: x = [11 23 34 43 2 3...

ein Tag ago

Solved


Test Problem; Create a 5x5 array containing all ones
This is a test for learning the process of creating a Cody problem. The goal of this test problem will be to create an array,...

ein Tag ago

Solved


length of a vector
Find twice the length of a given vector.

ein Tag ago

Solved


Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

ein Tag ago

Solved


find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y

ein Tag ago

Solved


STOP that car!!!
The maximum allowed speed for this road is 100. Find the cars that didn't observe the speed limit Arrest and fine them!!!

ein Tag ago

Solved


Energy Conversion 2

29 Tage ago

Solved


Energy Conversion 1

29 Tage ago

Solved


Velocity Conversion
Given a velocity in mph, convert it to km/h. Round the answer to the fourth decimal place.

29 Tage ago

Solved


Area Conversion 2

29 Tage ago

Solved


Area Conversion 1

29 Tage ago

Solved


Mass Conversion 2

etwa ein Monat ago

Solved


Mass Conversion 1

etwa ein Monat ago

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