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first element of matrix
find the first elements of a column matrix

3 months ago

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Area of a Square
Given the length x of the side of a regular square, find the area of the square, A.

3 months ago

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Annual Salary
What is the annual salary of Mr. Cody if he works 40 hours a week and gets $x per hour and a yearly bonus of $2000? (Let, 50 wee...

3 months ago

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Area of a circle
Given the radius x, y would be the area of a circle. Pi = 3.1416

3 months ago

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Write a code that will follow the equation y = x * (x + x) * x.
If x = 5, y = 5 * (5+5) * 5 = 250

3 months ago

Answered
Why Do I keep getting NaNs in my code???
NaN stands for Not a Number. If your variable/matrix/input does not have the specific number/range that should meet the argument...

3 months ago | 0

Answered
MATLAB Cody locked solutions to a solved problem
Yes, you cannot view the solutions which are shorter than your solution in size. You can only view the solutions which are of s...

3 months ago | 0

Question


My problems are vanished
I created some problems last night and created a group too. All those are now missing. Also my ranking progress, activites, bad...

3 months ago | 1 answer | 0

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Array of Ones
Create a 100 X 100 array of ones.

3 months ago

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

3 months 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]

3 months 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

3 months ago

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Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

3 months ago

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Matlab Basics II - Max & Index of Max
Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

3 months ago

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Convert degrees to radians
Given input in degrees, output to radians

3 months ago

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Create sine function out of cosine
Please don't use sin(x) directly

3 months ago

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Convert radians to degrees
Given input in radians, output to degrees

3 months ago

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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

3 months ago

Solved


substract the two numbers

3 months 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

3 months ago

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Determine the mean of matrix
Determine the mean of matrix without using mean function Hint: use simple algorithm

3 months ago

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Multiply by 3

3 months ago

Solved


Add two numbers

3 months ago

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Return exactly the same input

3 months ago

Solved


Sqaure of a number

3 months ago

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

3 months ago

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

3 months ago

Solved


Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

3 months ago

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Find the position of first minimum value in an integer array with numbers
If x = [2 6 4 9 10 3 1 5 1] the the output should be 7, because the first minimum value (1) lies at the 7th position.

3 months ago

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