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Add 7
Given an input variable x, output a variable y that is 7 greater than x. Example: Input x = 1 Output y is 8 Input ...

fast 10 Jahre vor

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Evaluating a polynomial
Given the following polynomial and the value for x, determine y. y = 3x^5 – x^3 + 8x – 3 Example x = 1 y = 3 - 1 +...

fast 10 Jahre vor

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Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

fast 10 Jahre vor

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Element-wise division
* Assign row array weightKilo with the corresponding weight in kilograms. Use the following conversion: kg = lb / 2.2

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

fast 10 Jahre vor

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Squaring Matrix
Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...

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Return area of square
Side of square=input=a Area=output=b

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Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...

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Celsius to Kelvin
Convert Celsius degrees to Kelvin temperature.

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Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.

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Replace May with April
For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

fast 10 Jahre vor

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

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Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

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pressure to dB?
given x ratio of pressure, find corresponding y dB

fast 10 Jahre vor

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

fast 10 Jahre vor

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Population growth
Assign finalPopulation with the population size given an initial population, population growth rate, and number of years. The fi...

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Column arrays: Transpose a row array
* Construct a row array countValues with elements 1 to endValue, using the colon operator. * Transpose countValues to result in...

fast 10 Jahre vor

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

fast 10 Jahre vor

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Function definition: Volume of a pyramid
Define a function CalculatePyramidVolume with inputs baseLength, baseWidth, and pyramidHeight. The function returns pyramidVolum...

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Tree Height
Assign treeHeight with the tree height given the shadow length and angle of elevation. Simple geometry can compute the heigh...

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inner product of two vectors
inner product of two vectors

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Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

fast 10 Jahre vor

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Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

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Declaring a string
* Assign streetAddress with the string 1313 Mockingbird Lane.

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Concatenating arrays
* Assign studentIDs with concatenated row arrays groupA and groupB

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Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

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Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

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Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

fast 10 Jahre vor

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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];

fast 10 Jahre vor