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Calvin Prowant


Last seen: 1 month ago Active since 2021

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Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

1 month ago

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Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

1 month ago

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Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

1 month ago

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Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

1 month ago

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Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

1 month ago

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Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

1 month ago

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Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

1 month ago

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Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

1 month ago

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Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...

1 month ago

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

1 month ago

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Draw a '0' in a one matrix!

1 month ago

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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

1 month ago

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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...

1 month ago

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Converts numbers into characters
Converts numbers into characters

1 month ago

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Find the max element of the array
Find the max element of the array

1 month ago

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

1 month ago

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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

1 month ago

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to the 2 all elements
to the 2 all elements

1 month ago

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the average value of the elements
Calculate the average value of the elements in the array

1 month ago

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Double all elements in the array
Duplicate all elements in the array

1 month ago

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calculate the length of matrix
input 1 array, calculate the length

1 month ago

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Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.

1 month ago

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

1 month ago

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Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

1 month ago

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radius of a spherical planet
You just measured its surface area, that is the input.

1 month ago

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Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

1 month ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

1 month ago

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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...

2 months ago

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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

2 months ago

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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

2 months ago

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