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Christos


Last seen: mer än 3 år ago |  Active since 2012

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Professional Interests: statistics

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Question


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...

ungefär 11 år ago | 1 answer | 0

1

answer

Question


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 ...

ungefär 11 år ago | 2 answers | 0

2

answers

Solved


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

mer än 11 år ago

Solved


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 ...

mer än 11 år ago

Solved


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

mer än 11 år ago

Solved


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 ...

mer än 11 år ago

Solved


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...

mer än 11 år ago

Solved


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

mer än 11 år ago

Solved


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

mer än 11 år ago

Question


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...

mer än 11 år ago | 1 answer | 0

1

answer

Solved


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...

mer än 11 år ago

Solved


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:...

mer än 11 år ago

Solved


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 ...

mer än 11 år ago

Question


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...

mer än 11 år ago | 1 answer | 0

1

answer

Question


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=...

mer än 11 år ago | 1 answer | 0

1

answer

Answered
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...

mer än 11 år ago | 0

Question


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...

mer än 11 år ago | 0 answers | 0

0

answers

Question


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...

nästan 12 år ago | 1 answer | 0

1

answer