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Question
Speed up algorithm and memory issues
Hi everyone, I am trying to do the following computations but my matrices are very large (over 6.000.000 lines) and as you can...
environ un an il y a | 1 réponse | 0
1
réponseA résolu
The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...
plus de 4 ans il y a
Question
How to run a custom function to gpu?
Hi everyone, I want to run a custom function in matlab. Actually, in this example is the gctest function from matlab, but I w...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
1) Speed up gctest function and 2) error when I have a large number of lags in gctest
Hi all, I have two problems related to the build in gctest function in Matlab. 1) I am trying to perform a Ganger causality t...
plus de 5 ans il y a | 1 réponse | 0
0
réponseQuestion
L1-penalised lasso quantile regression
Hi everyone, I was wondering if there is a code for estimating a penalized lasso quantile regression as described in Belloni ...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
Smart and fast way to compute triple summation?
Hi all, I need to compute the following triple summation for different values of n for all s. <</matlabcentral/answers/upl...
plus de 8 ans il y a | 4 réponses | 1
4
réponsesQuestion
smart way for grouping condition
Hi all, I have a two column matrix, A. In the first column I store the values of years, e.g. 2011, 2012, etc., and in the sec...
plus de 9 ans il y a | 1 réponse | 0
1
réponseAdd values to the bars of a barplot
Hi Star, Yes, it works and its perfect. Thank you!
plus de 9 ans il y a | 0
Question
Add values to the bars of a barplot
I would like to add some additional values to a barplot. for example I have two vectors lets say b = [0.14 0.18 0.25 0.13 ...
plus de 9 ans il y a | 2 réponses | 0
2
réponsesQuestion
retrain neural networks and different forecasts
Dear all, Thank you in advance for your help. I have prepared the following script in order to train a NN and then use it ...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Improve speed of indexing
Hello, I am trying to do a simple Monte Carlo simulation in a mean reverting AR(lags) model using the following code for...
presque 10 ans il y a | 1 réponse | 0
0
réponseequate the parameters of two equations in symbolic
Hi Star Strider, the coeffs function was what I was looking for! Thank you!
plus de 10 ans il y a | 0
Question
equate the parameters of two equations in symbolic
Hello, I have two equations, one with known parameters and one with unknown. I would like to ask for a simple way to solve th...
plus de 10 ans il y a | 2 réponses | 0
2
réponsesQuestion
Add current date when I save a file as a comment
Hi all, I would like to know if there is a way to add a comment line with the current date when I save a file (inside the fil...
environ 11 ans il y a | 1 réponse | 0
1
réponseA résolu
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...
environ 12 ans il y a
A résolu
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
environ 12 ans il y a
A résolu
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...
environ 12 ans il y a
A résolu
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:...
environ 12 ans il y a
A résolu
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 ...
environ 12 ans il y a
