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Roofus Milton


Last seen: 2ヶ月 前 |  2012 年からアクティブ

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Professional Interests: finance, trading, telecom

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For loop with different length
See last section of code. I used a counter variable which is incremented. rows = 50; columns = 20000; randRange = [10, 50];...

約5年 前 | 0

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How do i make user input the name of the file?
Try uigetfile. uigetfile - Mathworks Documentation [file,path] = uigetfile('*.m');

約5年 前 | 0

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How to password protect an excel file through Matlab?
You are passing 'True' as a char when it should be logical/boolean. Workbook.Protect('Test@123', true, true)

約5年 前 | 0

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Display comma as decimal digits separator in simple 2D plots
This is possible by calling the .NET Framework string formatting functions. Without getting into a discussion of Cultures in the...

約5年 前 | 0

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MATLAB to excel to MATLAB
Hi Jarod- I do not have the add-in which defines the formula PropsSI. I have provided a generic way to pass data to and retur...

約5年 前 | 1

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CONVERTING 6 HOURLY DATA TO DAILY DATA
Tanmoyee- I made a slight modification to Walter's code to make the reshape parameters dynamic. % store number of samples per ...

約5年 前 | 1

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Reading multiple excel files with data store when the columns of the files change position
I would use a cell array populated by readtable then simply reference the colums by name.

約5年 前 | 0

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Importing month into Matlab is not recognized
Sander- Simply change the capitalizations of your date format. https://www.mathworks.com/help/matlab/ref/datetime.html ...

約5年 前 | 0

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

9年弱 前

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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

9年弱 前

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

9年弱 前

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

9年弱 前

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

9年弱 前

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

約12年 前

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

約12年 前

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

約12年 前

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Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

約12年 前

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

約12年 前

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

約12年 前

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

約12年 前

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

約12年 前

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

約12年 前

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

13年弱 前

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

13年弱 前

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

13年弱 前

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

13年弱 前

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

13年弱 前

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

13年弱 前

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

13年弱 前

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

13年弱 前

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