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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...
6 maanden 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; ...
meer dan een jaar 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...
meer dan een jaar 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...
meer dan een jaar 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...
meer dan een jaar 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...
meer dan een jaar 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...
meer dan een jaar 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...
meer dan een jaar 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...
bijna 2 jaar 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)))); ...
bijna 2 jaar 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...
ongeveer 2 jaar 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...
ongeveer 2 jaar 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...
ongeveer 2 jaar 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...
bijna 3 jaar 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,...
meer dan 3 jaar 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?
meer dan 3 jaar 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'...
meer dan 4 jaar 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...
meer dan 4 jaar 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...
meer dan 5 jaar 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...
meer dan 5 jaar 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 ...
bijna 6 jaar 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...
bijna 6 jaar 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...
bijna 6 jaar 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...
bijna 7 jaar 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...
ongeveer 7 jaar 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:...
meer dan 7 jaar 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...
meer dan 7 jaar 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'; ...
meer dan 7 jaar 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...
meer dan 7 jaar 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...
ongeveer 8 jaar ago | 0 answers | 0
0
answers
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