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CAM


242 2012 이후 총 참여 횟수

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Simultaneous reading of mat file allowed?
I know it is bad to allow multiple users to write to a mat-file simultaneously (or one read while another is writing). But can ...

4일 전 | 답변 수: 0 | 0

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Reindex a vector
You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX has integers. Place th...

4일 전

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Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

4일 전

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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...

30일 전 | 0

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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...

약 1달 전

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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...

약 1달 전

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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...

약 1달 전

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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...

약 1달 전 | 0

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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...

약 1달 전

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

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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...

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

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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...

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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...

약 2달 전 | 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...

약 2달 전

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

약 2달 전

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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...

약 2달 전 | 0

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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 ...

약 2달 전

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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...

2달 전

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

2달 전 | 0

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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...

2달 전

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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...

2달 전

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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)...

2달 전

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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...

3달 전

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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 ...

3달 전

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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] ...

3달 전

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

3달 전 | 0

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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: ...

3달 전 | 10

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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: ...

3달 전

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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...

3달 전

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