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RichterX.com

Last seen: 5 månader ago Active since 2013

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Submitted


Agglomorative Clustering for Fault Network Reconstruction
A penalized likelihood based agglomorative clustering method for detection of planar features in 3D point clouds.

mer än ett år ago | 3 downloads |

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Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

mer än ett år ago

Solved


Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

mer än ett år ago

Solved


Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

mer än ett år ago

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Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

mer än ett år ago

Solved


Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

mer än ett år ago

Solved


Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

mer än ett år ago

Solved


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

mer än ett år ago

Solved


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

mer än ett år ago

Solved


Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

mer än ett år ago

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Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

mer än ett år 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...

mer än ett år 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...

mer än ett år ago

Solved


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...

mer än ett år ago

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Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

mer än ett år ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

mer än ett år ago

Submitted


Kendall rank correlation coefficient
Calculates the Kendall rank correlation coefficient between two score metrics

mer än ett år ago | 4 downloads |

Submitted


Spatial mapping of Gutenberg-Richters b-value
Implementation of the three different sampling methods (DEW, FixR, NearN)

ungefär 3 år ago | 7 downloads |

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FilterPicker: a robust, broadband phase detector and picker
This is a Matlab implementation of the FilterPicker (Lomax et al., 2011)

mer än 3 år ago | 4 downloads |

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Sample a truncated multivariate normal distribution
Generates samples from a MVN within a lower and upper bound.

mer än 3 år ago | 2 downloads |

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Answered
Minimum size Neural Network to represent a Boolean Function
A single neuron (with one input and one output) will take the input, multiply it by a weight, add it a bias, pass it through a n...

mer än 3 år ago | 0

Answered
I have latitude, longitude and Height data in form matrix, then I would plot these values in 3D plot just like how surface looks.
lat and lon are in degrees and height is in meter/kilometers etc. If you want to plot them in the same plot (with |plot3| for ex...

mer än 3 år ago | 0

Answered
How can I access the file seismic_data.dat mentioned in the "signal analysis made easy"?
You can download such ground motion records online. For instance here is a link to the Turkish strong ground motion database. <...

mer än 4 år ago | 0

Submitted


Condensation of earthquake location distributions: Optimal spatial information encoding
Reduces the size of a catalog by taking into the account individual location uncertainties

nästan 5 år ago | 2 downloads |

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Probabilistic Earthquake Location in 2D
Demonstrates the effect of data and model errors on the estimation of epicenter location.

nästan 5 år ago | 3 downloads |

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Submitted


Uniformly distributed weights that sum up to 1
Generates N uniformly distributed weights that sum up to 1

ungefär 5 år ago | 2 downloads |

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Solved


Cellular Automaton | Rule X
Cellular Automata (CA) provide a convenient way to represent many kinds of systems in which the values of cells (either 0 or 1) ...

mer än 5 år ago

Solved


Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

mer än 5 år ago

Solved


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

mer än 5 år ago

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

mer än 5 år ago

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