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Operator '-' is not supported for operands of type 'table'
try e.g. (Quat{i}{2:end,:} - Quat{i}{1:end-1,:})./(Time{i}{2:end}-Time{i}{1:end-1})'; instead of (Quat{i}(2:end,:) - Quat{i}(...
Operator '-' is not supported for operands of type 'table'
try e.g. (Quat{i}{2:end,:} - Quat{i}{1:end-1,:})./(Time{i}{2:end}-Time{i}{1:end-1})'; instead of (Quat{i}(2:end,:) - Quat{i}(...
7ヶ月 前 | 0
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create a sparse multidimensional matrix
you can try this: myData=[1 2 3 4; 5 6 7 8; 9 10 11 12]; % get sizes dataChunkLength=size(myData,...
create a sparse multidimensional matrix
you can try this: myData=[1 2 3 4; 5 6 7 8; 9 10 11 12]; % get sizes dataChunkLength=size(myData,...
7ヶ月 前 | 0
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My code is keep plotting the wrong data
may the scatter3() command is suffiecient to visualize your data, you interpolate (e.g. interp3) your XYZ data to generate more ...
My code is keep plotting the wrong data
may the scatter3() command is suffiecient to visualize your data, you interpolate (e.g. interp3) your XYZ data to generate more ...
7ヶ月 前 | 0
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Step-by-step calculation of rectangular window
or you use the movsum function fs=10000; t=0:1/fs:3; tau=0.25; tauInSamp=tau*fs; spikeTimes= randi(numel(t),10,1); % generat...
Step-by-step calculation of rectangular window
or you use the movsum function fs=10000; t=0:1/fs:3; tau=0.25; tauInSamp=tau*fs; spikeTimes= randi(numel(t),10,1); % generat...
7ヶ月 前 | 0
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Step-by-step calculation of rectangular window
i suggest you just add the rectangular window at the specified times given by the spices and the spice amplitude: fs=10000; t=...
Step-by-step calculation of rectangular window
i suggest you just add the rectangular window at the specified times given by the spices and the spice amplitude: fs=10000; t=...
7ヶ月 前 | 0
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how to concatenate two tables efficiently
before concatenation you can go trough all tables and add up the number of rows. Then preallocate the table using three columns ...
how to concatenate two tables efficiently
before concatenation you can go trough all tables and add up the number of rows. Then preallocate the table using three columns ...
7ヶ月 前 | 0
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let a script run in other script with variable parameters
it really sounds like you actally should change your script to a fcuntion. Running a script giving paramters to it is exactly wh...
let a script run in other script with variable parameters
it really sounds like you actally should change your script to a fcuntion. Running a script giving paramters to it is exactly wh...
7ヶ月 前 | 1
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How to print value from Structure in MATLAB
you can access the 4 doubles in the cell StagPRFValue by e.g. CombineOutput(1).ValueStructure.StagPRFValue{1} the other two ...
How to print value from Structure in MATLAB
you can access the 4 doubles in the cell StagPRFValue by e.g. CombineOutput(1).ValueStructure.StagPRFValue{1} the other two ...
7ヶ月 前 | 0
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Interpolating points in a 3D space with one line
have a look into the polyfitn() function on FEX
Interpolating points in a 3D space with one line
have a look into the polyfitn() function on FEX
7ヶ月 前 | 1
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Call a function within an if statement
try randomtasks(n)==1 i guess without the (n) you would compare a vector to a value e.g. [1 3 2]==1 which is not true and th...
Call a function within an if statement
try randomtasks(n)==1 i guess without the (n) you would compare a vector to a value e.g. [1 3 2]==1 which is not true and th...
7ヶ月 前 | 0
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need help for understanding audio compression code using dct
it shows, how a sound could sound if you transmit only 128 dct values per block instead of 512 sound values per block % read au...
need help for understanding audio compression code using dct
it shows, how a sound could sound if you transmit only 128 dct values per block instead of 512 sound values per block % read au...
7ヶ月 前 | 0
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How to plot the average wavelet magnitude over range of frequencies
why not use the output of the cwt function? you can average it yourself: load mtlb t=(0:numel(mtlb)-1)/Fs; [wt,f,coi]=cwt(m...
How to plot the average wavelet magnitude over range of frequencies
why not use the output of the cwt function? you can average it yourself: load mtlb t=(0:numel(mtlb)-1)/Fs; [wt,f,coi]=cwt(m...
7ヶ月 前 | 0
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Find the width of a peak
do you just want to measure the peak width of this data set only? if yes, i should be telatively easy locating the peak with min...
Find the width of a peak
do you just want to measure the peak width of this data set only? if yes, i should be telatively easy locating the peak with min...
7ヶ月 前 | 0
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Resampling vector to have homogeneous length between trials
you can use the interp1() function to produce an equal number of samples per jump
Resampling vector to have homogeneous length between trials
you can use the interp1() function to produce an equal number of samples per jump
7ヶ月 前 | 0
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how to clean data by deleting [0 0]
use rowsToDelete=~any(AB,2); or rowsToDelete=all(~AB,2); AB(rowsToDelete,:)=[]; or rowsToKeep=any(AB,2); AB=AB(rowsToKeep...
how to clean data by deleting [0 0]
use rowsToDelete=~any(AB,2); or rowsToDelete=all(~AB,2); AB(rowsToDelete,:)=[]; or rowsToKeep=any(AB,2); AB=AB(rowsToKeep...
7ヶ月 前 | 0
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Finding the max value in 1st column of values based on a range in the 2nd column of values
max(yourMat( yourMat(:,2)>0.09 && yourMat(:,2)<0.11 ,1)) for the first range and so on?
Finding the max value in 1st column of values based on a range in the 2nd column of values
max(yourMat( yourMat(:,2)>0.09 && yourMat(:,2)<0.11 ,1)) for the first range and so on?
7ヶ月 前 | 0
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Find rising and falling point
you can identify those points using a threshold for the differential signal, something like find( abs(diff(x)) > someThreshol...
Find rising and falling point
you can identify those points using a threshold for the differential signal, something like find( abs(diff(x)) > someThreshol...
7ヶ月 前 | 1
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How can I get the mean data from under the graphs?
what about a general threshold like 10 here? mean(all_data(all_data>10))
How can I get the mean data from under the graphs?
what about a general threshold like 10 here? mean(all_data(all_data>10))
7ヶ月 前 | 0
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How can I study Autocorrelation function of common inputs?
you can simply generate your own vectors in matlab and do some studying e.g. rectPulse = [zeros(1,10) ones(1,15) zeros(1,10)];...
How can I study Autocorrelation function of common inputs?
you can simply generate your own vectors in matlab and do some studying e.g. rectPulse = [zeros(1,10) ones(1,15) zeros(1,10)];...
7ヶ月 前 | 1
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partially logarithmic plots
This function allows to plot with x or y axis divided into a logarithmic and linear part.
7ヶ月 前 | ダウンロード 3 件 |
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MRAW reader GUI with image enhacement and sub pixel tracking
Loads Photron mraw files, allows fluent preview, image-wise spectral filtering, binomial filtering and temporal median filtering...
7ヶ月 前 | ダウンロード 1 件 |
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I need to change a graphic without using unwrap
you can unwrap manually. if you have data x and y myWrapThr=-150; dy=diff(y); dy(dy<myWrapThr)=dy(dy<myWrapT...
I need to change a graphic without using unwrap
you can unwrap manually. if you have data x and y myWrapThr=-150; dy=diff(y); dy(dy<myWrapThr)=dy(dy<myWrapT...
7ヶ月 前 | 0
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define color range in scatter plot
i do not fully understand, you want to use the pallett for split to 0 to 3000, but at a certain threshold you want to use black ...
define color range in scatter plot
i do not fully understand, you want to use the pallett for split to 0 to 3000, but at a certain threshold you want to use black ...
7ヶ月 前 | 0
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Fourier Transform of Seismic Waves
subtract the mean before fft to improve visibility of frequencies or use dB view by calculating 20*log10(P1) explanation: the...
Fourier Transform of Seismic Waves
subtract the mean before fft to improve visibility of frequencies or use dB view by calculating 20*log10(P1) explanation: the...
7ヶ月 前 | 1
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Plotted image is clear but saved image is blurry- why?
use png instead of jpg, then no compression is applied and the quality will stay good there ate several methods whichbaffect ...
Plotted image is clear but saved image is blurry- why?
use png instead of jpg, then no compression is applied and the quality will stay good there ate several methods whichbaffect ...
7ヶ月 前 | 0
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Why do certain images require imshow(imagename,[]). whereas others don't?
the answer loes within the variable class. the original inage is uint8 which can have values between 0 and 255, this means imsho...
Why do certain images require imshow(imagename,[]). whereas others don't?
the answer loes within the variable class. the original inage is uint8 which can have values between 0 and 255, this means imsho...
7ヶ月 前 | 1
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Joining two columns and exporting to excel
use mat2cell before joining them! [mat2cell(A) mat2cell(B)]
Joining two columns and exporting to excel
use mat2cell before joining them! [mat2cell(A) mat2cell(B)]
7ヶ月 前 | 0
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Double condition to find index
myData=...; fs=2000; minLength=ceil(fs*0.05); highVals=myData>20; searchFor=conv(highVals,ones(1,minLength),'s...
Double condition to find index
myData=...; fs=2000; minLength=ceil(fs*0.05); highVals=myData>20; searchFor=conv(highVals,ones(1,minLength),'s...
7ヶ月 前 | 0
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Extracting multiple row values (with unequal range) in a column separately
dat=readmatrix('saf_wind.csv'); dat(dat==9999)=[]; whereIsNan=find(isnan(dat)); yourMeans=zeros(1,numel(whereIsNan)+1); for ...
Extracting multiple row values (with unequal range) in a column separately
dat=readmatrix('saf_wind.csv'); dat(dat==9999)=[]; whereIsNan=find(isnan(dat)); yourMeans=zeros(1,numel(whereIsNan)+1); for ...
7ヶ月 前 | 1
質問
Speeding up fread for random position in big file
dear community, at the moment i need to read one or multiple image(s) from a big data file. since I build a live data viewer an...
7ヶ月 前 | 3 件の回答 | 0