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Tom Gaudette

MathWorks

Last seen: en dag ago |  Active since 2011

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Programming Languages:
Python, C, MATLAB, SQL
Professional Interests:
Graph Database, Data Analysis

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Answered
How do I get Taxi data for New York city?
What about using urlwrite? urlwrite('https://s3.amazonaws.com/nyc-tlc/trip+data/yellow_tripdata_2016-01.csv','yellow_tripdata...

mer än 7 år ago | 0

| accepted

Question


How do I get Taxi data for New York city?
In the video <http://www.mathworks.com/videos/matlab-tall-arrays-in-action-122883.html here> , it talks about using the New York...

mer än 7 år ago | 1 answer | 0

1

answer

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Workflow Design Thoughts: How to create lecture notes, homework examples or book figures easily.
A style guide on how to create published figures for books and lecture notes. M-Files included

mer än 7 år ago | 1 download |

Answered
Cody Problem 33 | Leading answer is in Chinese ?!
This is not very readable by all, but I will try to parse this for you. 1) The command actually being executed is regexp(str,...

mer än 8 år ago | 0

Solved


Model a mass spring system
Model an ideal mass-spring system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/images/se...

mer än 8 år ago

Solved


Add damping to a mass spring system
Model an ideal mass-spring-damper system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/im...

mer än 8 år ago

Solved


Counting pulses in a signal
Count the number of pulses that are the result of summing each pulse generator block. Pulse Generator blocks produce a recurr...

mer än 8 år ago

Solved


Make a full wave rectifier
Produce a full wave rectifier waveform for the given sine wave source. For a sine wave input, the output of the full wave rec...

mer än 8 år ago

Solved


Make a half wave rectifier
Produce a signal that outputs the given sine wave source when it is greater than zero and outputs zero when it is less than zero...

mer än 8 år ago

Solved


Produce a sine wave
Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

mer än 8 år ago

Solved


Add a block to a model
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-block-eqn.png>> In this case, the slope of...

mer än 8 år ago

Solved


Produce a cosine wave
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/cosine-eqn.png>>

mer än 8 år ago

Solved


Add offset to a signal
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-offset-eqn.png>> You should see a downward...

mer än 8 år ago

Solved


Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

mer än 8 år ago

Solved


Extract leading non-zero digit
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

ungefär 11 år ago

Solved


Remove all the words that end with "ain"
Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

ungefär 11 år ago

Solved


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

ungefär 11 år ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

ungefär 11 år ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

ungefär 11 år ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

ungefär 11 år ago

Solved


Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

ungefär 11 år ago

Solved


Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).

ungefär 11 år ago

Solved


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

ungefär 11 år ago

Solved


middleAsColumn: Return all but first and last element as a column vector
Given input A, return all but the first and last elements, arranged as a column vector. (I.e., all dimensions after the first s...

ungefär 11 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 ...

ungefär 11 år ago

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

ungefär 11 år ago

Solved


Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

ungefär 11 år ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

ungefär 11 år ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

ungefär 12 år ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

ungefär 12 år ago

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