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Is this is a Tic Tac Toe X Win?

For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

6 years ago

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Spot the First Occurrence of 5

This problem series invites you to solve two simple problems related to the integer NUMBER FIVE, in order to celebrate <https://...

6 years ago

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Is it really a 5?

A number containing at least one five will be passed to your function, which must return true or false depending upon whether th...

6 years ago

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I Plead the Fifth

Write a function to provide a yes or no answer to the input string. However, it must plead the 5th amendment (return an empty st...

6 years ago

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5 Prime Numbers

Your function will be given lower and upper integer bounds. Your task is to return a vector containing the first five prime numb...

6 years ago

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Extra safe primes

Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...

6 years ago

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Van Eck's Sequence's nth member

Return the Van Eck's Sequence's nth member. For detailed info : <http://oeis.org/A181391 OEIS link> and <https://www.theguard...

6 years ago

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Pentagonal Numbers

Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...

6 years ago

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Pernicious Anniversary Problem

Since Cody is 5 years old, it's pernicious. <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer whi...

6 years ago

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Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

6 years ago

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Energy of a photon

Given the frequency F of a photon in giga hertz. Find energy E of this photon in giga electron volts. Assume h, Planck's ...

6 years ago

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How to subtract?

* Imagine you need to subtract one number from another using MATLAB. * You will not be using eval for this task. * Given two A...

6 years ago

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Piecewise linear interpolation

Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

6 years ago

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Create logical matrix with a specific row and column sums

Given two numbers *|n|* and *|s|*, build an |n-by-n| logical matrix (of only zeros and ones), such that both the row sums and th...

6 years ago

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Return a list sorted by number of consecutive occurrences

Inspired by Problem 38 by Cody Team. Given a vector x, return a vector y of the values in x sorted by the number of CONSECUTIVE...

6 years ago

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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 ...

6 years ago

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Construct an index vector from two input vectors in vectorized fashion

Create an index vector defined by two input vectors, one defining the beginnings of one or more index ranges, and the other defi...

6 years ago

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Joining Ranges

You are given a n-by-2 matrix. Each row represents a numeric range, e.g. x = [0 5; 10 3; 20 15; 16 19; 25 25] contains...

6 years ago

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Put two time series onto the same time basis

Use interpolation to align two time series onto the same time vector. This is a problem that comes up in <http://www.mathwork...

6 years ago

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Get the elements of diagonal and antidiagonal for any m-by-n matrix

In the problem <http://www.mathworks.com/matlabcentral/cody/problems/858-permute-diagonal-and-antidiagonal Problem 858. Permute ...

6 years ago

Solved

intersection of matrices

Given two matrices filled with ones and zeros, determine if they share a common row, column entry. These matrices are of identi...

6 years ago

Answered

How to extract a PDF from points with a weigh attached to them

I don't know if there's a canned function for this - you could try: 1. Compute weighted mean for each column of X 2. Comp...

How to extract a PDF from points with a weigh attached to them

I don't know if there's a canned function for this - you could try: 1. Compute weighted mean for each column of X 2. Comp...

6 years ago | 0

Question

Odd getrect(FIG) behavior with subplots (r2015b)

I am noticing an unusual behavior of getrect when passing a figure handle as the argument. e.g. hFig1 = figure(1); hA...

6 years ago | 2 answers | 0

Answered

FFT and Optical Spectra

If you're looking for a simple import and speed isn't a concern you should try: uiimport A speedier load than this can ...

FFT and Optical Spectra

If you're looking for a simple import and speed isn't a concern you should try: uiimport A speedier load than this can ...

6 years ago | 0

Question

Save Python List to MAT File (R2015b)

I've got a small apparent issue with using the python list datatype in MATLAB. If I save a py.list to a MAT file and then try to...

6 years ago | 2 answers | 0

Answered

Rotating Subparts of Image

This might work for you: 1. Mask a box around the pacman & extract the pixel values 2. Make the background grey where you pull...

Rotating Subparts of Image

This might work for you: 1. Mask a box around the pacman & extract the pixel values 2. Make the background grey where you pull...

7 years ago | 0

Question

MCR Applications with Python Functions

I am having an MCR compatiblity issue with python. When I run my application in native MATLAB (r2015b), I call a python script a...

7 years ago | 1 answer | 0

Question

Full File Path Quotation Marks (Double vs Single)

A small thing that I often work around is changing file path names enclosed in double quotes to single quotes to load them into ...

7 years ago | 1 answer | 0

Answered

Creating array from 1.e-20 to 1, with steps 1.e-19, 1.e-18..

logspace(-20,0,21)

Creating array from 1.e-20 to 1, with steps 1.e-19, 1.e-18..

logspace(-20,0,21)

8 years ago | 4

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