Gelöst


Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

etwa 3 Jahre vor

Gelöst


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...

etwa 3 Jahre vor

Gelöst


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

etwa 3 Jahre vor

Gelöst


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...

etwa 3 Jahre vor

Gelöst


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 ...

etwa 3 Jahre vor

Gelöst


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

etwa 3 Jahre vor

Beantwortet
Why do I get a wrong plot?
I contacted the author of the paper. It turned out that the equation for the diffraction OTF has a typo. The correct one is ...

etwa 3 Jahre vor | 0

| akzeptiert

Gelöst


Word Counting and Indexing
You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

etwa 3 Jahre vor

Gelöst


Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

etwa 3 Jahre vor

Gelöst


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 ...

etwa 3 Jahre vor

Gelöst


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 ...

etwa 3 Jahre vor

Gelöst


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...

etwa 3 Jahre vor

Gelöst


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 ...

etwa 3 Jahre vor

Frage


Why is a regular expression used in this code?
I found a code to dump zero rows/columns in the southeast part of a given matrix: function b = ZeroDumping(a) regexp '' '(?...

etwa 3 Jahre vor | 1 Antwort | 0

1

Antwort

Gelöst


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'...

etwa 3 Jahre vor

Gelöst


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...

etwa 3 Jahre vor

Gelöst


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...

etwa 3 Jahre vor

Gelöst


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

etwa 3 Jahre vor

Gelöst


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.

etwa 3 Jahre vor

Frage


How to use a optimization toolbox in MATLAB Cody problem?
I'm trying to solve one problem in Cody, but a function 'fmincon' is not recognized by the online compiler. Is there any way to ...

etwa 3 Jahre vor | 1 Antwort | 0

1

Antwort

Gelöst


Given a matrix, swap the 2nd & 3rd 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...

etwa 3 Jahre vor

Gelöst


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-...

etwa 3 Jahre vor

Frage


Why do I get a wrong plot?
I'd like to make a plot of a quantity called "PSF" but I cannot get a correct result for some reason. I will first explain the t...

etwa 3 Jahre vor | 1 Antwort | 0

1

Antwort

Gelöst


Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

etwa 3 Jahre vor

Gelöst


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

etwa 3 Jahre vor

Frage


How to fix the GPU warning?
Hello, I'm trying to use GPU libraries (especially, gpuArray) on an HPC cluster but I constatnly get an error below: --- Wa...

etwa 3 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
imresize error. "Expected input method to be a string or a character vector. Allowed values are: 'cubic' or 'bicubic'."
I could solve this problem by retrieving the array from the GPU by gather function. grayImage = gather(gpu_grayImage); grayI...

etwa 3 Jahre vor | 0

| akzeptiert

Frage


imresize error. "Expected input method to be a string or a character vector. Allowed values are: 'cubic' or 'bicubic'."
I get the error message: Expected input method to be a string or a character vector. Allowed values are: 'cubic' or 'bicubic'...

etwa 3 Jahre vor | 3 Antworten | 0

3

Antworten

Frage


How to make the negative sign in the legend easier to see?
I generated the following legend in my plot but the negative sign ('-') is hard to see. I tried several different fonts but it d...

mehr als 3 Jahre vor | 2 Antworten | 0

2

Antworten