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Last seen: 6 mois il y a |  Actif depuis 2012

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Application of multistage decimator filter to signal
Dear all We had a piece of code to decimate data (decimation ratio (dec_factor) > 13) that read: Hfd=fdesign.decimator(dec_fa...

7 mois il y a | 2 réponses | 0

2

réponses

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Concatenating a signal given its segments' limits
Hello there: I have this vector (a small sample) : ww = 10 15 16 22 33 44 45 50 51 6...

10 mois il y a | 1 réponse | 0

1

réponse

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Simulink program memory usage when converted to Android
Hi there We have a Simulink model to process time series sampled at fs= 4Hz. Is working fine in Simulink. We would like to e...

presque 2 ans il y a | 1 réponse | 0

0

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Converting Neural Network Model file from Python to Matlab
Dear all We have developed a CNN model in Python and would like to convert the model to Matlab. We have exported the Python mo...

presque 3 ans il y a | 1 réponse | 0

1

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How to count the number of different strings in a string list?
Dear All I would need some help on this: I have the following string list: AAA ABB CDE ABB CCR AAA FDR I would need to...

plus de 3 ans il y a | 1 réponse | 0

1

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How to assign NaN to consecutive elements of a vector, in intervals defined by a matrix
Hello there! supose we have a vector x=1:12 and we have a controling matrix as this: z=[2 4; 6 8; 10 11] We want to assi...

plus de 4 ans il y a | 1 réponse | 0

1

réponse

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Converting a matrix of strings to a txt file
Hi there! I have a mtarix of strings x_mtarix: x_matrix = 5×3 string array "A" "B" "C" "AA" "B...

plus de 4 ans il y a | 1 réponse | 0

1

réponse

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Converting mat files to daq format
Hello There We would like to convert mat files, or indeed matlab variables in the workspace, to the daq format. what we are l...

plus de 4 ans il y a | 1 réponse | 0

1

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Réponse apportée
Detecting values in a vector that are different but very close to each other
Thakn you for your reply. Yes I want to keep the 4.1 since the next valu is 5 so, 5-4.1=0.9 which is over 0.1

plus de 4 ans il y a | 0

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Detecting values in a vector that are different but very close to each other
Hello there: I have a t vector (time, increasing values) like this: t=[ 1 1.1 2 3 3.1 4.1 5 6 7....

plus de 4 ans il y a | 3 réponses | 0

3

réponses

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File disappeared from the current working matlab folder
Hi there I was testing a matlab function in the current working folder (not a matlab program folder) and suddenly the file was ...

plus de 4 ans il y a | 1 réponse | 0

0

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How to delete items entries in a listbox in appdesigner
We have a listbox with multiple entries, and would want to be able to remove selected entries, for which we though we could use...

presque 5 ans il y a | 1 réponse | 0

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Using WindowButtonDownFcn in App Designer
Hi I cannot find the "WindowButtonDownFcn" upon on doing the callback, in my case, this is a callback for a listbox ui (inherit...

presque 5 ans il y a | 0

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Real and Imaginary part of this function please
Hi there, I have this expression: syms R C w a real assume(R>0) assume(C>0) assume(w>0) assume(a>0) z=R/(1+(R*C)*(i*w)^a...

plus de 5 ans il y a | 1 réponse | 0

1

réponse

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Error using load: Cannot read file: inconsistent error message
I have saved mat files using the '-v7.3' like save('my_big_fat_file, 'TT_abc', '-v7.3'); my_big_fat_file has has about 3 GBy...

plus de 5 ans il y a | 1 réponse | 0

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Question


Sorting a cell of strings using a certain character position
Dear all I have a variable called var= vart=[{'Ice011_L_3of3m.mat''}; {'Ice011_P_1of3m.mat'} ;{'Ice011_P_2of3m.mat'}] We woul...

plus de 5 ans il y a | 1 réponse | 0

1

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Réponse apportée
grouping first (left column) and last (right column) of consecutive sequence of a Nx2 matrix
Many thanks it worked perfectely!! Best Regards

plus de 5 ans il y a | 0

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grouping first (left column) and last (right column) of consecutive sequence of a Nx2 matrix
Hi there We have a Nx2 matrix with pieces of consecutive values that we want to obtain the extreme left and right limits: A=[...

plus de 5 ans il y a | 2 réponses | 0

2

réponses

Question


load being 3x faster than importdata
We want to load big mat files (about 4gb) tried: tic; ee1=load('my_big_fat_file.mat'); t1=toc t1=81.3492 tic; ee2=im...

plus de 6 ans il y a | 1 réponse | 0

1

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Réponse apportée
CWT design in simulink
Did you get any reply? Also interested

plus de 6 ans il y a | 0

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I have a two column matrix and want to eliminate the rows whose interval contain a certain value
Dear all I have a two column matrix such as: A=[12 44; 56 78; 81 100; 110 200; 210 300;450 500; 600 710] this matrix row...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Reading variables from a big matlab Table
Guillaume, thank you I have gone through all the steps you mentioned. Creating the tall data was time consuming t_tall=tall(...

plus de 6 ans il y a | 0

Question


Reading variables from a big matlab Table
Hello There we have about 45 big matlab Tables (average size 12 GByte each). Please note that thee are .mat files. We will be r...

plus de 6 ans il y a | 2 réponses | 0

2

réponses

Réponse apportée
Tell me this is not true: r2016b and CWT (continuos wavelet transform)
I know these things are quite subjective sometimes. But the concept of period (T) or frequency (F=1/T) of a periodic waveform i...

presque 8 ans il y a | 0

Réponse apportée
Tell me this is not true: r2016b and CWT (continuos wavelet transform)
Dear Wayne Thank you for your reply, we always learn something from it. The wavelet area is quite demanding in many ways and th...

presque 8 ans il y a | 0

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Tell me this is not true: r2016b and CWT (continuos wavelet transform)
I was checking out the mathworks site for the new version of the CWT function http://www.mathworks.com/help/wavelet/ref/cwt.ht...

presque 8 ans il y a | 5 réponses | 1

5

réponses

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assigning a color to the same value when ploting multiple matrices
Hello There I am using imagesc to plot data sets of 16 matrices sized 256x1000 samples .each (data for one patient) I am usin...

environ 9 ans il y a | 1 réponse | 0

1

réponse

Question


Applying a multistage filter to a signal, how?
Dear Readers Considering the filter explained in the mathworks documentation centre: Fpass = 0.11; Fstop = 0.12; Apass =...

plus de 10 ans il y a | 1 réponse | 0

0

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Réponse apportée
using conofinf to plot the cone of influence in a imagesc(time, freq, coeffs)
Anybody please?

plus de 10 ans il y a | 0

Question


marginals and energy of the scalogram to match the signal
Hi there: I have been looking for some matlab code to compute the time and frequency marginals in the wavelet scalogram. Mor...

presque 11 ans il y a | 1 réponse | 0

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