warnerchang

Last seen: 8 days ago | Active since 2021

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How to make a graph (or part of a graph) of space from a given equation or inequality
Anything like this: phi=0:0.1:pi; theta=0:0.1:pi/2; [phi,theta]=meshgrid(phi,theta); x1=4.*sin(phi).*cos(theta); y1=4.*sin(...

7 months ago | 0

Question

what happens behind "/"
[2:6]/[3:7] Ans = 0.8148 what happens behind this operation? Is there any algorithm?

11 months ago | 2 answers | 0

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Submitted

x/y ticklable adjustment
Move x/y ticklable arbitrarily of a specific figure

1 year ago | 2 downloads |

Submitted

Magnus effect illustration
spin-induced lift calculation

1 year ago | 4 downloads |

Solved

Calculate the Levenshtein distance between two strings
This problem description is lifted from http://en.wikipedia.org/wiki/Levenshtein_distance. The Levenshtein distance between two...

1 year ago

Solved

Cricket - Peak Batting Average
Given a vector s of strings representing a batter's individual innings scores (in chronological order), return the highest batti...

1 year ago

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Cricket - Represent Average in "Dulkars" and "Ses"
Sachin Tendulkar's Test average was 53.78. So if Tendulkar = 53.78, one dulkar = 5.378. Similarly, Roger Twose's average was 25....

1 year ago

Solved

Cricket - Career Bowling Statistics
Given a vector s of strings representing a bowler's individual innings records, return their career statistics as a 3-element (n...

1 year ago

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Cricket - Career Batting Statistics
Given a vector s of strings representing a batter's individual innings scores, return their career statistics as a 4-element (nu...

1 year ago

Solved

Cricket - How Much More to Beat Bradman?
Sir Don Bradman famously needed only 4 runs in his final innings to retire with an average of 100. Out for a duck, he ended inst...

1 year ago

Solved

Cricket - Average Partnership Contribution
The (infamous) Duckworth-Lewis method uses statistical models of how much each wicket partnership is worth to an innings (on ave...

1 year ago

Solved

Cricket - Sort Batters by Distance Run
Given a string vector of batters' names, a vector of the total number of runs they scored, a vector of the number of 4s they sco...

1 year ago

Solved

Convert Volume Mixing Ratio to Density
The partial pressure of a constituent gas species of the atmosphere can be expressed in parts per million by volume. For exampl...

1 year ago

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Snow Accumulation and Structural Risks To Residential Properties
The density of snow depends on the amount of liquid water it contains: Dry Snow is about 50 kg/m^3 Wet Snow is about 200 kg/m^...

1 year ago

Solved

Calculate Wind Chill Factor
The NWS Wind Chill Temperature (WCT) index formula for calculating the dangers from winter winds and freezing temperatures: Cal...

1 year ago

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Partial Pressure of Water Vapor from Relative Humidity
Buck (1996, 1981) published the following constants for the saturation pressure of water*: 6.1121 (mb) The saturation pressur...

1 year ago

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Pressure for a given Above Sea Level Altitude
For altitudes up to the stratosphere (around 11 km above mean sea level), the air pressure can be estimated from: with where...

1 year ago

Solved

Air Density from Temperature and Pressure
The density of air can be estimated from the product of molar mass and molar density: Write a function that finds the densi...

1 year ago

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Molar Air Density from Temperature and Pressure
The molar density of air can be found from the Temperature and Pressure using the ideal gas law. where the Molar density STP ...

1 year ago

Solved

Air Mass to Star for an Observer at Mean Sea Level
Air mass is a measure of how much atmosphere light from a source above the atmosphere (eg sun, planet, star) has to travel throu...

1 year ago

Solved

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

1 year ago

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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...

1 year ago

Solved

Create initial basic feasible solution for transportation problems -Minimum Cost Method

1 year ago

Solved

Monte-Carlo integration
Write a function that estimates a d-dimensional integral to at least 1% relative precision. Inputs: * d: positive integer....

1 year ago

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Differential equations I
Given a function handle |f| an initial condition |y0| and a final time |tf|, solve numerically the differential equation dy...

1 year ago

Solved

Create initial basic feasible solution for transportation problems - North-West Corner Method

1 year ago

Solved

Numerical Integration
Input * |x0|, a real number greater than 0 Output * |I|, a numerical estimate of the integral x0 / I...

1 year ago

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The Birthday Phenomenon
First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

1 year ago

Solved

Throwing Dice - Will You Be Eaten By The Dragon?
You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x si...

1 year ago

Solved

Project Euler: Problem 11, Largest product in a grid
What is the greatest product of _k_ adjacent numbers in the same direction (up, down, left, right, or diagonally) in a _n×n_ gri...

1 year ago

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