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Awarded to Emiliano Rosso on 04 Apr 2023
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Feeds
Question
for loops auto nidification problem
I have a function y= f(x) . x is 10 x n and y= 1 x n a performance function myperf = perf(y) gives a 1 x 1 value. a tar...
9 månader ago | 1 answer | 0
1
answerQuestion
linsolve consistency problem in system equation
Hi When I run this code I obtain a simple solution. x=rand(1,3); swc(1,1:3)=x+1; syms x1 x2 x3; eqn11=swc(1,1)==x1+1; ...
nästan 2 år ago | 0 answers | 0
0
answerscell array error using equationsToMatrix function
Instead of using cell use syms: a=syms(1,3); b=syms(1,3) a(1)=eqn1;a(2)=eqn2;a(3)=eqn3; b(1)=x;b(2)=y;b(3)=z; [A,B] = equat...
nästan 2 år ago | 0
| accepted
Question
cell array error using equationsToMatrix function
Hi in reference to : https://it.mathworks.com/help/symbolic/solve-a-system-of-linear-equations.html I must use this code : s...
nästan 2 år ago | 1 answer | 0
1
answerHow many instances of MATLAB can I run simultaneously on Windows/Linux platform ?
Normally you don't need to open different instances of Matlab but you can use the Parallel Computing Toolbox which runs instance...
nästan 2 år ago | 1
| accepted
Question
MODWT IMODWT code without fft
Hi. I studied the maximal overlap wavelet transform and its properties on "Wavelet Methods for Time Series Analysis by Donald B...
nästan 2 år ago | 0 answers | 0
0
answersQuestion
fft(x,n) NO BUILT IN FUNCTION WHERE n > size(x)
Hi I'm looking for fft & ifft function code for fff(x,n) where n > size(x). I found this here : https://it.mathworks.com/matl...
nästan 2 år ago | 1 answer | 0
1
answerQuestion
MODWT HAAR LOOSES SUMMATION RECONSTRUCTION PROPERTY AFTER COEFFICIENTS THRESHOLDING
Modwt haar is known to be one side causal and shift invariant. It also owns the summation reconstruction property. This mean...
nästan 2 år ago | 0 answers | 0
0
answersQuestion
FMINUNC CHECK GRADIENT FAILS
Hello everyone, I'm trying to minimize this function through fminunc running: [ygrad, cost] = tvd_sim_grad(x, lam, Nit,t); wh...
ungefär 2 år ago | 0 answers | 0
0
answersQuestion
Inexplicable Symbolic Function problem
When I type : syms xi syms yi syms lami f(xi,yi,lami) = 1/2.*sum(abs((yi-xi).^2)) + lami.*sum(abs(diff(diff(xi)))); ...
ungefär 2 år ago | 1 answer | 0
1
answerQuestion
fminunc : A VERY STRANGE PROBLEM!
Hi I use fminunc to solve a minimization problem. Fminunc make hundeads of calls of a simple function which I optimized for the...
mer än 2 år ago | 3 answers | 0
3
answersQuestion
Error using gpucoder.profile (line 41)
I have a problem running: cfg = coder.gpuConfig('exe'); cfg.GpuConfig.MallocMode = 'discrete'; gpucoder.profile('tvd_sim2_ME...
mer än 2 år ago | 0 answers | 0
0
answersQuestion
MISSING nvToolsExt64_1.lib
gpucoder can't see nvToolsExt64_1.lib even if it exist ad it's declared correctly in the environement variable NVTOOLSEXT_PATH...
mer än 2 år ago | 1 answer | 0
1
answerQuestion
how to modify the wmulden function to make it shift-invariant?
Hi everyone! I am trying to modify the wmulden function to make it shift-invariant. Let me explain better. When I run wmuld...
ungefär 3 år ago | 0 answers | 0
0
answersQuestion
wmulden function exact algorithm
Hello. I am trying to understand how exactly the algorithm of the "wmulden" function works. I studied Aminghafari, M .; Cheze,...
mer än 3 år ago | 0 answers | 0
0
answersCustom transfer function with learnable parameters and custom initializing in shallow neural network
I'm interested in your work,have you meet some improvement?
mer än 3 år ago | 0
Question
How to generate my custom copula data?
Hello! When I calculate the copula using copulatif : uu = ksdensity(x,x,'function','cdf'); vv = ksdensity(y,y,'function'...
nästan 5 år ago | 0 answers | 0
0
answersQuestion
Inverse Cumulative Distribution Function for a Custom PDF.
Hello! I'm looking for a function similar to norminv in wich you can sample data at the probability values in the vector p acco...
nästan 5 år ago | 1 answer | 0
1
answerQuestion
MATLAB DualCPU Hyper-Threading support
Hello everyone. I'm going to buy a dual CPU workstation and would like to know if a vectorized MATLAB code uses all the cores...
mer än 5 år ago | 1 answer | 0
1
answerQuestion
Xeon Phi Knights Mill
Hello taking into account the technical specifications found here: https://ark.intel.com/content/www/us/en/ark/products/12869...
mer än 5 år ago | 1 answer | 0
1
answerQuestion
Levenberg-Marquardt Backpropagation GPU computing
Since MATLAB did not implement the Jacobian calculation for GPU computing I would like to know if some user has made a version ...
ungefär 6 år ago | 0 answers | 1
0
answersQuestion
It's a bug?
I discovered a potential bug and I want to report it: Matlab R2018a windows 10 alfa=-0.0052+(61-1)*0.0001; reasoning this i...
ungefär 6 år ago | 1 answer | 0
1
answerQuestion
ERROR : Missing domain attribute 'min'
when I use : symmin=@(x,y)feval(symengine,'min',x,y); symmin(3,4) ans= 3 but if I want to find the minimum of a vector : s...
ungefär 6 år ago | 2 answers | 1
2
answersQuestion
Assertion failed using parfor
When I use this code I obtain this error: Error using consume_assign (line 23) Assertion failed. Error in parprova>(p...
ungefär 7 år ago | 3 answers | 2
3
answersQuestion
MATLAB : PROBLEM WITH CELLFUN AND TWO VARIABLES FUNCTION.
temptemp is 1 X 44 cell : every cell is 1 X 3130 array double. tempwmul is 1 X 44 cell : every cell is 1 X 1 trained netw...
mer än 7 år ago | 1 answer | 0
1
answerSolved
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:...
nästan 8 år ago
Question
using wavelet denoising as preprocessing function with real time data.
When I train a neural network I need to process the training data X with multivariate wavelet denoising obtaining a new data s...
nästan 8 år ago | 0 answers | 0
0
answersQuestion
wmulden using previous calculated parametes
When I apply wmulden to an array A I obtain an array B with denoised signal: level = 4; wname = 'sym2'; ...
nästan 8 år ago | 0 answers | 0
0
answersQuestion
How to disable validation and test data set in neural network
I need to train patternnet neural network using all data set in the training set and avoiding validation check. I found two met...
nästan 8 år ago | 2 answers | 0
2
answersQuestion
pipeline or PSOM programming
I'd like to know if exists a resource in Matlab's toolboxes to manage pipeline or PSOM programming and where it is located or if...
mer än 8 år ago | 0 answers | 0
0
answers
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