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# Michael Ryan

290 total contributions since 2012

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Can you reshape the matrix?
Given a matrix A, is it possible to reshape it into another matrix with the given number of rows?

meer dan 4 jaar ago

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Create a figure and plot data
Given two data vectors (x,y), open a new figure and plot the data. Return the figure handle.

meer dan 4 jaar ago

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Produce the following matrix
Produce the following matrix x = [2 3 4] y_correct = [1 1/2 1/3; 2 1 1/4; 3 4 1];

meer dan 4 jaar ago

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Find Missing Number
A little problem (inspired by CodeChef) for the coffee break. A friend give you an array of size n-1 integers and these int...

meer dan 4 jaar ago

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Model a falling body
An object is falling freely from a height of 22 meters under the force of gravity. <<http://blogs.mathworks.com/images/seth/c...

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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

meer dan 4 jaar ago

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

meer dan 4 jaar ago

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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...

meer dan 4 jaar ago

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Sum of series of numbers
Find the sum of numbers from 1-50 using for loop.

meer dan 4 jaar ago

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Create an array (n,n) where only diagonal elements are '1' and others are '0'
Create an array (n,n) where only diagonal elements are '1' and others are '0' EX: n = 3; then Resultant array would be [ 1 0...

meer dan 4 jaar ago

Submitted

regexpBuilder
regexpBuilder is GUI that aims to simplify the creation of regexps in Matlab.

Solved

Help the Patriots get to the Super Bowl
Given a football by the Patriots, return it to them with 2 psi less air in it. (The original psi is passed as a number to the...

ongeveer 5 jaar ago

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feeling VERY lucky?
Just like Matthew's problem <http://www.mathworks.com/matlabcentral/cody/problems/2793 2793> and Edward's problem <http://www.ma...

ongeveer 5 jaar ago

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pay it forward
THIS PROBLEM IS BEING RESCORED, PLEASE WAIT Return any number (integer between 0 and 65535) You will pass this problem if ...

ongeveer 5 jaar ago

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Determinant without using det()
Given a square matrix A, compute the <http://en.wikipedia.org/wiki/Determinant determinant> of A. Note that you may not use t...

ongeveer 5 jaar ago

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Kurchan 5x5 - Optimal Score
Related to Problems 1646 and 2650, but bigger. Technically, all you need to do for this Cody problem is input a 5x5 matrix conta...

ongeveer 5 jaar ago

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Smallest and Largest Real Numbers
Complete the function by assigning minReal with the smallest positive double precision floating-point number, and maxReal with t...

meer dan 5 jaar ago

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Dispatch and collect
Write a function that dispatches the single argument _x_ to multiple function handles (varargin) and concatenates vertically the...

meer dan 5 jaar ago

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Find out value of polynomial at different value.
Find out value of polynomial at different value. Example p(s) = s + 8 For s=0, value is 8.

meer dan 5 jaar ago

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If-then-else
Complete the function below such that if the value of x is in the range 10 to 14, inclusive, the value 18 is assigned to y. Oth...

meer dan 5 jaar ago

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Alternative Scoring. Create an incremental spiral.
This problem is created to test an alternative Cody scoring system. It is based on the current one, but few changes are introduc...

meer dan 5 jaar ago

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Did you say please? - Find one string within another without strfind or regexp/regexpi
For a given string sentence, determine if the string word 'please' is present or not. If so, return the string 'OK', else return...

meer dan 5 jaar ago

Solved

Gamma Function
Evaluate the <http://en.wikipedia.org/wiki/Gamma_function/ Gamma Function>. Gamma_val(0) = Inf Gamma_val(1.2) = 0.9182

meer dan 5 jaar ago

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Generate Square Wave
Generate a square wave of desired length, number of complete cycles and duty cycle. Here, duty cycle is defined as the fraction ...

meer dan 5 jaar ago

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Polite numbers. Politeness.
A polite number is ans integer that sums of two or more consecutive nonnegative integers. Politeness of a positive integer is a...

meer dan 5 jaar ago