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Christos


Last seen: 4 years 前 |  自 2012 起处于活动状态

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Professional Interests: statistics

统计学

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how to remove from all fields in the same position of a struct?
I am sorry for opening a new question, but i cant understand the other solutions here. i have a struct named training_set of siz...

12 years 前 | 1 个回答 | 0

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提问


How can i simultaneously reference in cells
I have a cell array, lets say C. Each cell contains a matrix. For example lets say C is C{1}=[1 2;3 4;5 6] C{2}=[7 ...

12 years 前 | 2 个回答 | 0

2

个回答

已解决


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

12 years 前

已解决


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 ...

12 years 前

已解决


Is my wife right?
Regardless of input, output the string 'yes'.

12 years 前

已解决


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

12 years 前

已解决


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...

12 years 前

已解决


Add two numbers
Given a and b, return the sum a+b in c.

12 years 前

已解决


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

12 years 前

提问


removing cells that satisfy a specific condtion
Hello everyone. I have a cell array, from which the cells contain a matrix. I want to remove the cells for which, lets say inv(c...

12 years 前 | 1 个回答 | 0

1

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已解决


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...

12 years 前

已解决


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:...

12 years 前

已解决


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

12 years 前

提问


removing cells containing Inf or NaNs
Hi folks. I have a cell array, each cell containing a column vector. Is there any way to check if a cell contains inf or nans an...

12 years 前 | 1 个回答 | 0

1

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提问


How to select all subset of rows of a matrix given the size of subset
Hi, i want to select all possible submatrices of rows -subsets of a matrix given the size of subset. i.e if i have the matrix X=...

12 years 前 | 1 个回答 | 0

1

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已回答
how many neurons should be in the hidden layer ?
i agree with the cyclist. of course its not my field but in theory you have to test some networks and also try different activat...

12 years 前 | 0

提问


how to specify which matrix i use
hello folks. i have a general programming question. I have a matrix lets say D. In regression its called the design matrix. I wa...

12 years 前 | 0 个回答 | 0

0

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提问


spike and slab prior distributions
hello. I am trying to compute a spike and slab prior distribution for regression coefficients to use in variable selection. Spi...

12 years 前 | 1 个回答 | 0

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