Solved

Can we make a triangle?

Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

oltre 2 anni ago

Solved

Is the Point in a Triangle?

Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

oltre 2 anni ago

Solved

Calculate the centroid of a triangle

Info: https://en.wikipedia.org/wiki/Centroid Example Input: x = [0 0 1]; % x-coordinate y = [0 1 0]; % y-coordinat...

oltre 2 anni ago

Solved

Calculate the area of a triangle between three points

Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

oltre 2 anni ago

Solved

Find my daddy long leg (No 's')

Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

oltre 2 anni ago

Solved

Convert matrix to 3D array of triangular matrices

Given a 2D numeric array x in which each column represents the vectorized form of an upper triangular matrix, return a 3D array ...

oltre 2 anni ago

Solved

MatCAT - Reconstruct X from Its X-rays

Consider a matrix x x = [ 1 2 0 0 5 0 3 0 8 ] If we sum x along the rows we get row_sums = [3 5 11] ...

oltre 2 anni ago

Solved

The sliding puzzle: 15

If you are unfamiliar with the sliding puzzle, enter the command _fifteen_ in your MATLAB command window (or search online, of c...

oltre 2 anni ago

Solved

Free passes for everyone!

_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): Once a mont...

oltre 2 anni ago

Answered

Hi, I have set of values for x (x = 1:10) and I have a equation y = x^(1/2)/x, how can i get and display an array of values of y from the x's ?

I don't know how you've got one number but I think you should be using: x = 1:10 y = x.^(1/2)./x

Hi, I have set of values for x (x = 1:10) and I have a equation y = x^(1/2)/x, how can i get and display an array of values of y from the x's ?

I don't know how you've got one number but I think you should be using: x = 1:10 y = x.^(1/2)./x

oltre 2 anni ago | 0

Answered

how can i save variables in a for loop?

If your issue is how to get the file names then you can use: save( strcat( 'DesignResults_', num2str(n) ); within your loop an...

how can i save variables in a for loop?

If your issue is how to get the file names then you can use: save( strcat( 'DesignResults_', num2str(n) ); within your loop an...

oltre 2 anni ago | 0

Solved

Hankelize a matrix

Similar to <http://www.mathworks.com/matlabcentral/cody/problems/42501-toeplitize-a-matrix Problem 42501. Toeplitize a matrix>, ...

oltre 2 anni ago

Solved

Toeplitize a matrix

Similar to <http://www.mathworks.com/matlabcentral/cody/problems/3094-hankelize-a-matrix Problem 3094. Hankelize a matrix>, now ...

oltre 2 anni ago

Solved

Matrix of Multiplication Facts

This is James's daughter again, sneaking into his Cody account. Thanks to your help in my math class last year, I did great! B...

oltre 2 anni ago

Solved

Remove entire row and column in the matrix containing the input values

Remove the entire row and column from the matrix containing specific values. The specified value can be a scalar or a vector. Fo...

oltre 2 anni ago

Solved

Matrix multiplication across rows

Given matrix m, return matrix n such that, rows of n are result of multiplication of the rows of the input matrix Example ...

oltre 2 anni ago

Solved

Must be in the front row...

You are given a matrix followed by a single number. Your object is to write a script that will shift the matrix around so that ...

oltre 2 anni ago

Solved

Go to the head of the class!

You're given a matrix and a single number. If that number is in the matrix, reorder the matrix so that number is in the first r...

oltre 2 anni ago

Solved

Replace Nonzero Numbers with 1

Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

oltre 2 anni ago

Solved

subtract central cross

Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

oltre 2 anni ago

Solved

Enlarge array

Given an m-by-n numeric array (A) and a 1-by-2 vector (sz) indicating the dimensions [p q] to enlarge each element, return an (m...

oltre 2 anni ago

Solved

matrix zigzag

Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...

oltre 2 anni ago

Solved

Write a function man that takes a row vector v and returns a matrix H as follows..

Write a function called man that takes a row vector v as an input and returns a matrix H whose first column consist of the eleme...

oltre 2 anni ago

Solved

Magnet and Iron

(Inspired from <http://www.mathworks.com/matlabcentral/cody/problems/112 Problem 112: Remove the air bubbles>) Iron (atomic n...

oltre 2 anni ago

Answered

How to show first value on axis cuted with xlim?

Sorry, that's my fault. In that case you'll need to change the tick locations - see the below for more information. https://uk...

How to show first value on axis cuted with xlim?

Sorry, that's my fault. In that case you'll need to change the tick locations - see the below for more information. https://uk...

oltre 2 anni ago | 1

Answered

How to show first value on axis cuted with xlim?

I just tried your way and I am getting the zero showing up on the x-axis so I'm not sure what is going on there. As an alternat...

How to show first value on axis cuted with xlim?

I just tried your way and I am getting the zero showing up on the x-axis so I'm not sure what is going on there. As an alternat...

oltre 2 anni ago | 1

Solved

Given a 4x4 matrix, swap the two middle columns

If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

oltre 2 anni ago

Solved

A matrix of extroverts

Now that the introverts have had their script, the extroverts spoke up (naturally!) and demanded one as well. You will be given...

oltre 2 anni ago

Solved

frame of the matrix

Given the matrix M, return M without the external frame.

oltre 2 anni ago

Solved

Too Many Zeros, Dump Them!

Sometimes when I create a matrix, I use this syntax: a = zeros(1000,1000); But when the function ends, I find that I don'...

oltre 2 anni ago