Chris E.

Last seen: 5 månader ago | Active since 2012

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Professional Interests: Physics, Linear Accelerators, Data Analisis, Electronics

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Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...

nästan 10 år ago

Solved

Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

nästan 10 år ago

Solved

Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

nästan 10 år ago

Solved

Finding the next number in a number list, are you able to crack it!
So it goes like this, I give a number list and you find the next value! I found a way to do it, just wondering how many other...

nästan 10 år ago

Problem

Finding the next number in a number list, are you able to crack it!
So it goes like this, I give a number list and you find the next value! I found a way to do it, just wondering how many other...

nästan 10 år ago | 1 | 15 solvers

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surface of a spherical planet
you just discovered its circumference, that is the input.

ungefär 10 år ago

Solved

Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

ungefär 10 år ago

Solved

Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

ungefär 10 år ago

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

ungefär 10 år ago

Solved

counting groups!
This problem is about counting groups. Example If you have x: x = [0.8 0.8 0.8 0.3 0.3 0.4 0.5 0.6 0.6 0.9] then a...

ungefär 10 år ago

Problem

counting groups!
This problem is about counting groups. Example If you have x: x = [0.8 0.8 0.8 0.3 0.3 0.4 0.5 0.6 0.6 0.9] then a...

ungefär 10 år ago | 2 | 128 solvers

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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];

mer än 10 år ago

Solved

Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

mer än 10 år ago

Solved

Finding neighbors of [-1:1] in a matrix....
Hello All! Well I found this one fun to figure out, all you have to do is make a matrix of 1's or 0's (true or false) that sh...

mer än 10 år ago

Problem

Finding neighbors of [-1:1] in a matrix....
Hello All! Well I found this one fun to figure out, all you have to do is make a matrix of 1's or 0's (true or false) that sh...

mer än 10 år ago | 2 | 73 solvers

Solved

Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

mer än 10 år ago

Solved

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

mer än 10 år ago

Solved

Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

mer än 10 år ago

Solved

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

mer än 10 år ago

Solved

Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

mer än 10 år ago

Problem

Oh Zero Zero Zero!!!
Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...

mer än 10 år ago | 13 | 369 solvers

Solved

Oh Zero Zero Zero!!!
Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...

mer än 10 år ago

Solved

Find same numbers touching each other...
So the goal here is to find any number that is equal to its immediate neighbors and mark it true. Here is some examples: x...

mer än 10 år ago

Problem

Find same numbers touching each other...
So the goal here is to find any number that is equal to its immediate neighbors and mark it true. Here is some examples: x...

mer än 10 år ago | 0 | 55 solvers

Solved

Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

mer än 10 år ago

Solved

Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

mer än 10 år ago

Solved

inner product of two vectors
inner product of two vectors

mer än 10 år ago

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Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

mer än 10 år ago

Solved

Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

mer än 10 år ago

Solved

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

mer än 10 år ago

Chris E.

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