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Remove the air bubbles

Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

mer än 2 år ago

How can I tell MATLAB that a testbench is in a subdirectory?

For double2single conversion, currently the test bench file needs to be present in the same directory as the design file. Please...

nästan 4 år ago | 1

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surrounded matrix

With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones: A = [1 2 ...

mer än 5 år ago

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Angle between two vectors

You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

mer än 5 år 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...

mer än 5 år 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...

mer än 5 år ago

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Find state names that end with the letter A

Given a list of US states, remove all the states that end with the letter A. Example: Input s1 = 'Alabama Montana Nebras...

mer än 5 år ago

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"Cody" * 5 == "CodyCodyCodyCodyCody"

*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...

mer än 5 år ago

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5th Time's a Charm

Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

mer än 5 år ago

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Number of Even Elements in Fibonacci Sequence

Find how many even fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

mer än 5 år ago

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The 5th Root

Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

mer än 5 år ago

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sum of non-primes

The sum of the non-primes below 10 is 1+4+6+8+9+10=38 Find the sum of all the non-primes below the input, N.

nästan 6 år ago

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Insert zeros into vector

Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

nästan 6 år ago

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Spot the outlier

All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

nästan 6 år ago

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Maximum value in a matrix

Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

nästan 6 år ago

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03 - Matrix Variables 3

Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3c.png>> A 10x10 matrix where the numbers from 1 to 100 ...

nästan 6 år ago

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give nth decimal place of pi

max 15th place after the decimal point is ok for now

nästan 6 år ago

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01 - Scalar variables

Create the following variables: <<http://samle.dk/STTBDP/Assignment1_1.png>>

nästan 6 år ago

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Divide by 4

Given the variable x as your input, divide it by four and put the result in y.

nästan 6 år ago

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Back to basics 14 - Keywords

Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

nästan 6 år ago

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Combine the first and last names

MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...

mer än 6 år 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 ...

mer än 6 år 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...

mer än 6 år 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 ...

mer än 6 år ago

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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...

mer än 6 år ago

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"Low : High - Low : High - Turn around " -- Create a subindices vector

Let two vectors *lo* and *hi* be given. The job is to create a index vector like so idx = [lo(1):hi(1) lo(2):hi(2) ...]...

mer än 6 år ago

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Getting the indices from a matrice

Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...

mer än 6 år ago