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CAM


239 total contributions since 2012

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Answered
Cell array data to double conversion
Assuming each cell has only one entry, try using cellfun with str2double to convert the cell array of strings to a cell array of...

12 Tage ago | 0

| accepted

Solved


Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

13 Tage ago

Solved


Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

13 Tage ago

Solved


Get the area codes from a list of phone numbers
Given a string of text with phone numbers in it, return a unique'd cell array of strings that are the area codes. s = '508-6...

15 Tage ago

Answered
i keep getting an error in my code about my array. pls help . code and error below thank you
When you are concatenating horizontally, the number of rows must be consistent. According to your comment, all variables are 1x...

19 Tage ago | 0

Solved


Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...

21 Tage ago

Solved


Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

21 Tage ago

Solved


Try 1.5.4: Celsius to Fahrenheit
Write a program to convert an input given in Celsius to Fahrenheit. Examples: Input celsiusValue = 100 Output fahrValu...

21 Tage ago

Solved


Fibonacci Decomposition
Every positive integer has a unique decomposition into nonconsecutive Fibonacci numbers f1+f2+ ... Given a positive integer n, r...

25 Tage ago

Answered
Need for explication of this code
"i" starts with 1. M becomes [V(1:(1+3))] = [1:4] = [1 2 3 4]. "i" becomes 5 = (1+J) = (1+4). M adds a row with [5 6 7 8]. Et...

26 Tage ago | 1

| accepted

Answered
How to create a GUI with changing buttons?
Another possibility is to use the same set of buttons for both options, but assign associated properties (String label) within t...

etwa ein Monat ago | 0

Solved


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...

etwa ein Monat ago

Solved


Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...

etwa ein Monat ago

Answered
I can not modify data in a table
Have you considered using appdata instead of guidata? In this matlab answer (Appdata answer with link), there is a link to a gr...

etwa ein Monat ago | 0

Solved


Remove the two elements next to NaN value
The aim is to *remove the two elements next to NaN values* inside a vector. For example: x = [6 10 5 8 9 NaN 23 9 7 3 21 ...

etwa ein Monat ago

Solved


Create a "+" flag
Given two odd numbers, [m, n], return a matrix of size m x n which has all elements of the centre column and centre row set as 1...

etwa ein Monat ago

Answered
Script for deleting extra rows
Try this to remove rows with blank Depths: [~,~,dataIn] = xlsread(fileName, worksheetName); index = ~cellfun(@isempty, dataIn(...

etwa 2 Monate ago | 0

| accepted

Solved


How many Fibonacci numbers?
Find the number of unique Fibonacci numbers (don't count repeats) in a vector of positive integers. Example: x = [1 2 3 4...

etwa 2 Monate ago

Solved


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...

etwa 2 Monate ago

Solved


Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F(n) = F(n-1) + F(n-2) * where F(1) = 1 and F(1)...

etwa 2 Monate ago

Solved


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...

2 Monate ago

Solved


First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

2 Monate ago

Solved


Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...

2 Monate ago

Answered
Error with xlswrite (error 0x800A03EC)
Try xlsprotect from File Exchange. https://www.mathworks.com/matlabcentral/fileexchange/6046-xlsprotect It has worked well for...

2 Monate ago | 0

Answered
2019b installation problem
I had this same problem with 2018b and now again with 2019b. Last year, Matlab Support solved it with the following solution: ...

2 Monate ago | 9

Solved


Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

2 Monate ago

Solved


Generate N equally spaced intervals between -L and L
Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. F...

2 Monate ago

Solved


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...

2 Monate ago

Solved


We love vectorized solutions. Problem 1 : remove the row average.
Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

2 Monate ago

Solved


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

2 Monate ago

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