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the cyclist


Alden Scientific

Last seen: Today |  Aktiv seit 2011

Followers: 4   Following: 0

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Head of Modeling and Statistics at Alden Scientific. Obsessive runner. Professional Interests: Predictive modeling, statistics. (I don't respond to email via author page, but will usually look at a question if you send me a link to it.)

Programming Languages:
Python, R, MATLAB, SQL
Spoken Languages:
English
Pronouns:
He/him

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Find Air Temperature from Cricket Stridulation Rate
Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...

fast 2 Jahre vor

Gelöst


The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

etwa 3 Jahre vor

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Say something funny
Say something funny, or not. Your solution will be (fully automatically and objectively) scored based on how clever or funny ...

mehr als 4 Jahre vor

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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-scored bonus...

etwa 8 Jahre vor

Gelöst


Sum my indices
Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

mehr als 9 Jahre vor

Problem


Sum my indices
Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

mehr als 9 Jahre vor | 3 | 163 Lösungsvorschläge

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Cull vector elements that contain a specified digit
Given inputs of (1) a row vector and (2) a digit, identify the elements of that vector that contain the digit, remove them, and ...

mehr als 10 Jahre vor

Problem


Cull vector elements that contain a specified digit
Given inputs of (1) a row vector and (2) a digit, identify the elements of that vector that contain the digit, remove them, and ...

mehr als 10 Jahre vor | 1 | 54 Lösungsvorschläge

Gelöst


Flip the bit
Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

fast 11 Jahre vor

Problem


Flip the bit
Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

fast 11 Jahre vor | 4 | 315 Lösungsvorschläge

Gelöst


Multielement indexing of a row array
The row array birthRateChina stores the China birth rate (per 1000 people) for years 2000 to 2012. Write a statement that create...

fast 11 Jahre vor

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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...

fast 11 Jahre vor

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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 ...

fast 11 Jahre vor

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

fast 11 Jahre vor

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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...

fast 11 Jahre vor

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

etwa 11 Jahre vor

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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...

etwa 11 Jahre vor

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Fix the last element of a cell array
Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

mehr als 11 Jahre vor

Gelöst


Poker Card Deal!
Anyone want to play a card game? Well this is making one deck of cards, with the option of using 2 jokers. The outputs are ...

mehr als 11 Jahre vor

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Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

mehr als 11 Jahre vor

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Duplicate each element of a vector.
for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...

fast 12 Jahre vor

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Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

fast 12 Jahre vor

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Multiply 2 numbers
Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...

fast 12 Jahre vor

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The Answer to Life, the Universe, and Everything
A variation of a previous Hitchhiker's Guide to the Galaxy problem. *Inputs:* Life, the Universe, and Everything *Output:*...

fast 12 Jahre vor

Gelöst


Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

fast 12 Jahre vor

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Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...

fast 12 Jahre vor

Gelöst


Return 'on' or 'off'
When the input is true, return 'on', otherwise, return 'off'.

fast 12 Jahre vor

Gelöst


distance between two points
compute distance between two points,where it is in Cartesian, Polar or Spherical coordinates.

fast 12 Jahre vor

Gelöst


Back to basics 26 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of strings of all MATLAB keywords.

fast 12 Jahre vor

Gelöst


How many trades represent all the profit?
Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

fast 12 Jahre vor

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