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Plot Line Specifications

Create a line plot for function cos(x) where x is a vector of linearly spaced values going from 0 to input N with an increment o...

2 years ago

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Given a vector x, return vector y with all negative elements from the vector x.

Given a vector x, return vector y with all negative elements from the vector x if x has negative elements. Otherwise return 0. ...

2 years ago

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Double Factorial

Return double factorial n(n-2)...(5)(3)(1), n>0, odd n!! = n(n-2)...(6)(4)(2), n>0, even 1 ...

2 years ago

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Summing Rows and Columns

Create a matrix y of size (n+1) whose last column's elements are the summation of the elements of all the other columns and last...

2 years ago

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Check if number is a square number

Test if integer i is a square number. Return logical true if it is.

2 years ago

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How to find the position of an element in a vector without using the find function

Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for.

2 years ago

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Calculating large fibonacci numbers

The fibonacci sequence starts 1,1,2,3,5,8... Find the the n'th fibonacci number. Then calculate round(log10( . )) of that n't...

2 years ago

Problem

Calculating large fibonacci numbers

The fibonacci sequence starts 1,1,2,3,5,8... Find the the n'th fibonacci number. Then calculate round(log10( . )) of that n't...

2 years ago | 2 | 21 solvers

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Quadratic equation

given three inputs (a, b, c) for the equation a*x^2+b*x+c=0; return 1 if the roots are complex (non zero imaginary), and 0 if th...

2 years ago

Solved

Check if a number belongs in the fibonacci squence

Test if integer i is a number in the fibonacci sequence. Return true if it is.

2 years ago

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Check if integer is a prime number

Check if integer i is a prime number. Returns logical true '1' if it is.

2 years ago

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An Ohm's Law Calculator

*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

2 years ago

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Find a common edge

First input is T, a triplet list of indices. Second input is e = [e1 e2], a row vector, couple of indices (positive distinct int...

2 years ago

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cofactor matrix

given a matrix, find its cofactor matrix https://en.wikipedia.org/wiki/Minor_(linear_algebra)#Inverse_of_a_matrix

2 years ago

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find nth even fibonacci number

1st even fibonacci number=2 ; 2nd even fibonacci number=8 ..

2 years ago

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Solve a System of Linear Equations

*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

2 years ago

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Find the Best Hotels

Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

2 years ago

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Calculate Amount of Cake Frosting

Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

2 years ago

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Convert from Fahrenheit to Celsius

Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

2 years ago

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Find the Oldest Person in a Room

Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

2 years ago

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the average value of the elements

Calculate the average value of the elements in the array

2 years ago

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square a number twice with square root of 4/5

square a number twice with square root of 4/5

2 years ago