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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

3 years 前

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

3 years 前

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

3 years 前

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

3 years 前

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Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

3 years 前

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

3 years 前

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

3 years 前

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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. Examp...

3 years 前

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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...

3 years 前

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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 ...

3 years 前

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Eliminate rows from an array
Hello, this is what you tried to achieve: data3(1+length(data3)/2:length(data3),:)=[]; Try to run below example. Hope it helps...

3 years 前 | 1

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Calculations in the cell array
Hello, Here is what i achieved based on my understanding of your question. Hope it does help. test={1; 2; 3; 4; 5} test=num2...

3 years 前 | 0

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How to add x & y value in the odd and even columns in cell matrix
Hello, Here is what i tried based on my understanding of your question. Hope it does help you. x=99;y=99; %choose your consta...

3 years 前 | 1

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How do I specify time increment in computation in for loop?
Hello, I just tried to plot your equation epsilon(t) for time range 0-5s assuming constant value for t0, and arrays Ei and tau_...

3 years 前 | 0

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I want to plot this equation P(t)=P(0)*e^rt.
xlim1=0; xlim2=10; r=1; P0=1; % I supposed you will define r and P(0) as constants, and the limits xlim1 % and xlim2 are kn...

3 years 前 | 0

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how to evaluate?
Hello, The question is not very clear. What do you need to evaluate? Please make your input(s) and outpout(s) explicitly define...

3 years 前 | 0

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Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

3 years 前

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Project Euler: Problem 9, Pythagorean numbers
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 =...

3 years 前

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Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

3 years 前

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Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

3 years 前

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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

3 years 前

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Matrix Indexing
Given a matrix A and scalars r,c,i, find the product of two elements, with the first element located at row r and column c (doub...

3 years 前

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There are 10 types of people in the world
Those who know binary, and those who don't. The number 2015 is a palindrome in binary (11111011111 to be exact) Given a year...

3 years 前

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Given an unsigned integer x, find the largest y by rearranging the bits in x
Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

3 years 前

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Find out sum and carry of Binary adder
Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...

3 years 前

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Binary code (array)
Write a function which calculates the binary code of a number 'n' and gives the result as an array(vector). Example: Inpu...

3 years 前

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Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

3 years 前

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Converting binary to decimals
Convert binary to decimals. Example: 010111 = 23. 110000 = 48.

3 years 前

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Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

3 years 前

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Convert given decimal number to binary number.
Convert given decimal number to binary number. Example x=10, then answer must be 1010.

3 years 前