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# David

352 total contributions since 2014

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Compute total cost
A soda costs 2 dollars. A taco costs 3 dollars. Write a statement that assigns totalCost with the total meal cost given the numb...

5 years ago

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Write an expression
Assigns finalResult with firstSample plus secondSample, squared, then divided by 3. Ex: If firstSample is 18 and secondSample is...

5 years ago

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Circle area using pi
Write a statement that assigns circleArea with the circle's area given circleRadius. Use the built-in mathematical constant pi. ...

5 years ago

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Plus x: A first program
_Solve this problem in Mathwork's online Cody system._ Write a statement that assigns y with 5 plus x. Ex: If input x = 2,...

5 years ago

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Assigning a sum
* Write a statement that assigns numCoins with numNickels + numDimes.

5 years ago

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check whether it is prime or not
Given a number,check whether it is prime or not. If prime output is true else false

5 years ago

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Remove All elements less than 5
Given an input vector x, remove all elements of x less than 5 . Example: Input x = [ 1 2 5 7 3 ] Output y is [ 5 7 ...

5 years ago

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While loop: Summation
Write a while loop that assigns summedValue with the sum of all values from 1 to userNum. Assume userNum is always greater than ...

5 years ago

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Create sequnce 1 4 9 16 25.........
Create sequnce 1 4 9 16 25......... upto entered input value using matlab scripting commands. Let y be output and x be input

5 years ago

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

5 years ago

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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,...

5 years ago

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Generate the sum of Squares of the given number
|P(n) = 1^2 + 2^2 + ... + n^2| |P(1) = 1| |P(2) = 1 + 4 = 5;| |P(3) = 5 + 9 = 14;| |P(4) = 14 + 16 = 30;|

5 years ago

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Sum the squares of numbers from 1 to n
For a given value of n return the sum of square of numbers from 1 to n. Example For n = 2 then sum of squares = 5 (1^2 + ...

5 years ago

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Sum of the Multiplication of Vectors
Given the vectors x and y as input, multiply the vectors and return the summation of its elements. Example: x = [1 2 ...

5 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

5 years ago

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Find the square root of a value
Given the variable x as your input, find the square root and let the result be represented by y Examples: Input x = 4 O...

5 years ago

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Divide by 4
Given the variable x as your input, divide it by 4 and put the result in y.

5 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.

5 years ago

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Potential Energy
Calculate the potential energy of a rock.

5 years ago

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Kinetic Energy
Given the mass m and velocity v of an object, determine its <http://en.wikipedia.org/wiki/Kinetic_energy kinetic energy>.

5 years ago

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Square a Number
Given an input x, return y, which is equal to the square of x.

5 years ago

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Determine if a row vector has NaN
Determine if a row vector x has NaN

5 years ago

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Calculate square and cube of number
Calculate square and cube of number x

5 years ago

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be able to add any variable to the number one

5 years ago

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Count ones
Write a program to count number of ones (1s) in an integer variable input. For example: Input x=2200112231 output y=3 I...

5 years ago

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Back to basics 13 - Input variables
Covering some basic topics I haven't seen elsewhere on Cody. Return as a string the name of the input variable to the functio...

5 years ago

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Step up
For given input array, output a array with all elements step up by two

5 years ago

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Sum of Matrix
Sum of Matrix

5 years ago

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Remove the Zero
Given an array n, remove all zeros

5 years ago

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Remove the positive integers.
Given array,x, remove all the positive numbers and display ouput as y. Example x=[1 -2 3 -4] , output is y=[-2 -4].

5 years ago