# Ryo Ishido

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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...

circa 3 ore 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.

circa 5 ore 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 : ...

circa 5 ore 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...

circa 6 ore ago

Solved

Counting down

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

circa 6 ore 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...

circa 6 ore 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...

circa 6 ore 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

circa 6 ore 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.

circa 6 ore 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: ...

circa 6 ore 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...

circa 6 ore 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...

circa 6 ore 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,...

circa 6 ore 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...

circa 6 ore 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

circa 7 ore 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!!!

circa 7 ore ago

Solved

Velocity Conversion

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

27 giorni ago

Solved

Stuff the Board

You have a stack of tiles to put onto an array-like playing board. Each tile has a number (always an integer), and the board var...

circa un mese ago