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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...
6 months 前 | 2 个回答 | 0
2
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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...
9 months 前 | 1 个回答 | 0
1
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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...
2 years 前 | 0 个回答 | 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...
2 years 前 | 1 个回答 | 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...
3 years 前 | 1 个回答 | 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...
4 years 前 | 1 个回答 | 0
1
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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...
4 years 前 | 1 个回答 | 0
1
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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...
4 years 前 | 1 个回答 | 0
1
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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
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
4 years 前 | 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....
4 years 前 | 3 个回答 | 0
3
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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 ...
4 years 前 | 0 个回答 | 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...
5 years 前 | 0 个回答 | 0
0
个回答已回答
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...
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...
5 years 前 | 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...
5 years 前 | 1 个回答 | 0
1
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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...
5 years 前 | 0 个回答 | 0
0
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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...
5 years 前 | 1 个回答 | 0
1
个回答已回答
grouping first (left column) and last (right column) of consecutive sequence of a Nx2 matrix
Many thanks it worked perfectely!! Best Regards
grouping first (left column) and last (right column) of consecutive sequence of a Nx2 matrix
Many thanks it worked perfectely!! Best Regards
5 years 前 | 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=[...
5 years 前 | 2 个回答 | 0
2
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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...
6 years 前 | 1 个回答 | 0
1
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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...
6 years 前 | 1 个回答 | 0
1
个回答已回答
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(...
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(...
6 years 前 | 0
提问
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...
6 years 前 | 2 个回答 | 0
2
个回答已回答
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...
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...
8 years 前 | 0
已回答
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...
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...
8 years 前 | 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...
8 years 前 | 5 个回答 | 1
5
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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...
9 years 前 | 1 个回答 | 0
1
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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 =...
10 years 前 | 0 个回答 | 0
0
个回答已回答
using conofinf to plot the cone of influence in a imagesc(time, freq, coeffs)
Anybody please?
using conofinf to plot the cone of influence in a imagesc(time, freq, coeffs)
Anybody please?
10 years 前 | 0
提问
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...
10 years 前 | 0 个回答 | 0