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Omit columns averages from a matrix

Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

circa 6 anni fa

Risolto

What's size of TV?

Many people buy TV. Usually they ask about diagonal. But also important are width and height. Let's assume that all TV have rati...

circa 6 anni fa

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cross in array

Make a cross from "1" in odd size array. Other value from array should be equal to "0"; As input you get length of side of arra...

circa 6 anni fa

Risolto

BASICS - sum part of vector

Please make a function, where as input you get vector "x" and and vector "c", where in "c" vector you get indexes to sum. Examp...

circa 6 anni fa

Risposto

Mean of many changing "for loop" 3D matrices

If you have your matrices all stored in one (four dimensional) matrix, for example |M(:,:,:,k)| would return the kth 3D matrix, ...

Mean of many changing "for loop" 3D matrices

If you have your matrices all stored in one (four dimensional) matrix, for example |M(:,:,:,k)| would return the kth 3D matrix, ...

circa 6 anni fa | 0

Risposto

Extracting the coefficient of a polynomials matrix

You could differentiate and evaluate |P| at |x=0|, so P0 = subs(P, x, 0); P1 = subs(diff(P), x, 0); P2 = subs(diff(P,...

Extracting the coefficient of a polynomials matrix

You could differentiate and evaluate |P| at |x=0|, so P0 = subs(P, x, 0); P1 = subs(diff(P), x, 0); P2 = subs(diff(P,...

circa 6 anni fa | 2

| accettato

Risolto

Determine Whether an array is empty

Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

circa 6 anni fa

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Scrabble Scores

Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provi...

circa 6 anni fa

Risolto

Increment a number, given its digits

Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

circa 6 anni fa

Problema

Arc length of points interpolation

Given a n by m matrix representing m vectors in n dimensions. Calculate the <https://en.wikipedia.org/wiki/Arc_length arc length...

circa 6 anni fa | 0 | 5 risolutori

Risolto

Number of Horns on a unicorn!

Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

circa 6 anni fa

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Flag largest magnitude swings as they occur

You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

circa 6 anni fa

Risolto

Compute a dot product of two vectors x and y

x and y are input vectors, d is a number and contains their dot product

circa 6 anni fa

Risolto

Fahrenheit to Celsius using multiple statements

°C = (°F - 32) x 5/9 * Write a statement that assigns fractionalMultiplier with 5/9. * Write a second statement that assign...

circa 6 anni fa

Risolto

Duplicates

Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

circa 6 anni fa

Risolto

Add two numbers

Calculate the sum of two numbers. Example input = [2 3] output = 5

circa 6 anni fa

Risolto

Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

circa 6 anni fa

Risolto

The Goldbach Conjecture, Part 2

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

circa 6 anni fa

Risolto

All capital?

Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

circa 6 anni fa

Risolto

Basic commands - Least common multiple

Make a function which will return least common multiple of "a" and "b" Example: a=8; b=6; y=24;

circa 6 anni fa

Risolto

Basic commands - amount of inputs

Make a function, which will return amount of given inputs Example: amountinput(1,2,4,3,10) -> 5 , because we gave functio...

circa 6 anni fa

Risolto

Sudoku square

We have a small Sudoku square, but one number is missing. x = [ 1 5 4 8 6 3 0 9 7 ] Make a function, wher...

circa 6 anni fa

Risolto

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 ...

circa 6 anni fa

Risolto

Write an expression

Assigns finalResult with firstSample plus secondSample, squared, then divided by 3. Ex: If firstSample is 18 and secondSample is...

circa 6 anni fa

Risolto

Plus x: A first program

_Solve this problem in Mathwork's online Cody system._ Write a statement that assigns y with 5 plus x. Ex: If input x = 2,...

circa 6 anni fa

Risolto

Compute total cost

A soda costs 2 dollars. A taco costs 3 dollars. Write a statement that assigns totalCost with the total meal cost given the numb...

circa 6 anni fa

Risolto

First N Perfect Squares

*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

circa 6 anni fa

Risolto

Given a window, how many subsets of a vector sum positive

Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

circa 6 anni fa

Risolto

Back to basics 11 - Max Integer

Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

circa 6 anni fa