# Chris E.

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

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**Content Feed**

Solved

Lightning strike distance: Writing a function

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

mer än 9 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 ...

mer än 9 år ago

Solved

Create a row array using double colon operator

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

mer än 9 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...

mer än 9 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...

mer än 9 år ago | 1 | 13 solvers

Solved

surface of a spherical planet

you just discovered its circumference, that is the input.

nästan 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...

nästan 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.

nästan 10 år ago

Solved

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...

nästan 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...

nästan 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...

nästan 10 år ago | 2 | 125 solvers

Solved

Tell me the slope

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

nästan 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 ...

nästan 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...

ungefär 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...

ungefär 10 år ago | 2 | 71 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...

ungefär 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...

ungefär 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 | 12 | 353 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 | 53 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

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