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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,...

2 years ago

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Matlab Basics - Set unwanted parts of a vector to zero

Consider a vector x, of length >= 7, write a script to set elements 2, 5, and 6 to zero. Example x = [1 2 3 4 5 6 7] --> ...

2 years ago

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What is Sum Of all elements of Matrix

Given the matrix x, return the sum of all elements of matrix. Example: Input x = [ 1 2 0 0 0 0 6 9 3 3 ] ...

2 years ago

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Matlab Basics II - Count rows in a matrix

Write a function that returns that number of rows in a vector or matrix x example: x = [1; 2; 3] output = 3

2 years ago

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Times 3 problem

When you enter the number, it should return the number multiplied by 3

2 years ago

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find the surface area of a cube

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

2 years ago

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Create a Matrix of Zeros

Given an input x, create a square matrix y of zeros with x rows and x columns.

2 years ago

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Matlab Basics II - squares

Write a function that takes matrix A, and squares each element in the matrix example: A = [1 2 3] output = [1 4 9]

2 years ago

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Matlab Basics II - Minimum

Write a function that returns the minimum of each ROW of a matrix x example: x = [1 2 3; 4 5 6]; output [1;4];

2 years ago

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Matlab Basics II - Free Fall

An object freely falling from rest under gravity covers a distance x given by: x = 1/2 gt^2 write a function that calculat...

2 years ago

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Find the 9's Complement

Find the 9's complement of the given number. An example of how this works is <http://electrical4u.com/9s-complement-and-10s-c...

2 years ago

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Volume of a box

Given a box with a length a, width b, and height c. Solve the volume of the box.

2 years ago

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Matlab Basics - Create a row vector

Write a Matlab script to create a row vector of 10 consecutive numbers x = [1 2 3 4 5 6 7 8 9 10]

2 years ago

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Matlab Basics II - Intervals

Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...

2 years 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

2 years ago

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Matlab Basics - Rounding I

Write a script to round x DOWN to the next lowest integer: e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2

2 years ago

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Matlab Basics - Absolute Value

Write a script that returns the absolute value of the elements in x e.g. x = [-1 -2 -3 -4] --> y = [1 2 3 4]

2 years ago

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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

2 years ago

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Matlab Basics - Convert a row vector to a column vector

Write a script to convert a row (e.g. x = [1 2 3]) to a column (e.g. y = [1;2;3]), your script should be able to do this for any...

2 years ago

Solved

Multiply by 3

Given the variable x as your input, multiply it by three and put the result in y.

2 years ago

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multiply by three

Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

2 years ago

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Y=X

Given an input variable x, output a variable y that is equal in value to x. Example: Input x = 1 Output y is 1 Inp...

2 years ago

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Divide by 4

Given the variable x as your input, divide it by four and put the result in y.

2 years ago

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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: ...

2 years ago

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String Array Basics, Part 4: Convert String Array with Missing Values to Cell Array

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

2 years ago

Solved

String Array Basics, Part 3: Convert Cell Array with Missing Values to String Array

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

2 years ago