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How can I change fileID name in a for loop?
for i=1:3 fid(i) = fopen(sprintf('report_%d.xls',i), 'wt'); end

12 years 前 | 1

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How to get the cell number with the maximum value of a vector with Simulink
Convert virtual bus to vector. <http://www.mathworks.es/es/help/simulink/slref/bustovector.html> Simulink >> Signal Atrib...

12 years 前 | 0

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Data Acquisition Toolbox doesn't work with Simulink
If you use Real-Time Windows Target Blockset, check if your hardware is in the list of supported hardware. <http://www.mathwo...

12 years 前 | 1

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how to obtain a smoother curve
data = xlsread('data.xlsx'); t = data(:,1); x = data(:,2); y = data(:,3); z = data(:,4); smoothOrder = 8; %%c...

12 years 前 | 1

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give me a detailed code for LBG algorithm or give me the function d=disteu(v,c) in the below function
function d = disteu(x, y) % DISTEU Pairwise Euclidean distances between columns of two matrices % Input: % x, y...

12 years 前 | 0

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how to use FIFO memory of DAQ
The FIFO is automatically managed by the DAQ driver. Where you have the option of: * Single Sample Function * Multi Sample ...

12 years 前 | 1

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已回答
Finding where curves are approximately equal to zero
Add these lines at the end of your script code: tol = 1e-6; %tolerance idx = find((abs(X(:,1))<tol) & (abs(X(:,2))<tol) ...

12 years 前 | 0

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the problem with mean function
mean_phase=mean(reshape(phase(1:25*floor(numel(phase)/25)),25,[]))

12 years 前 | 0

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Error code in gui
The sintaxis is good, but you left a space in the beginning of *' String'*. Just erase the space blank that is before *String* ...

12 years 前 | 1

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Help in Identifying Simulink Block
Maybe: * tansig - Hyperbolic tangent sigmoid transfer function * elliotsig - Elliot symmetric sigmoid transfer functio...

12 years 前 | 2

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Using plot command in a loop
if you want to change the variable name in the loop, use *eval* command for i= 1:20, figure(i), eval(sprintf(...

12 years 前 | 1

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A question about linkaxes options
MyScript.m %% Initial Data x = 1:1000; y1=x.*sin(x); y2=3*x.*sin(x); y3=sin(x); rangeX=[51 100]; %% Plot ...

12 years 前 | 0

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WHICH INPUT CHANNEL HAS TO BE INITIALIZED , analog input CH or digital input CH for DC VOLTAGE?
If you want to plot the exact voltage in matlab, use an analog input channel. The digital channels are in TTL range voltage (0-5...

12 years 前 | 0

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datenum problem in matlab
str = '01/01/2012'; %% string of the date, read from XLS file First, you have to specify the date format that you have in yo...

12 years 前 | 0

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compare and save data
data=xlsread('Book1.xlsx'); r=data(~isnan(data(:,1)),1); c=data(~isnan(data(:,2)),2); R=data(~isnan(data(:,4)),4); ...

12 years 前 | 0

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How to write cell array to csv file
data = {{'asd';'qew';'zxc'} [1;2] [4;5;6] [7;8;9] [10;11;12;13]}; fid = fopen('csvfilename.csv','w'); for iii=1:length(d...

12 years 前 | 0

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forming block in simulink
Use a *Sine* Block, and configure it with: * Amplitude: -1 * Phase: -pi/2

12 years 前 | 0

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How to check the numbers of characters of a string?
str = num2str([17;10],'%05i') if length(str(1,:))==5, %%% here is your command end or str = num2str(...

12 years 前 | 1

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Process a sequence of files
filePattern=fullfile( myPath,'*.txt'); txtFiles= dir(filePattern); for k = 1:length(txtFiles.names), fullFile...

12 years 前 | 0

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how to equlaize cell arrays in matlab?
type= { '12' '62' '5' }; colour={'red' 'green' 'yellow' 'brown' 'blue' 'black'}; result = type; for i=length(type...

12 years 前 | 1

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how to equlaize cell arrays in matlab?
A = [A cell(size(A))]; %%to duplicate a row array A = [A; cell(size(A))]; %%to duplicate a column array A = [A cell(1,3)...

12 years 前 | 0

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Error using quad for nummerical integration
this equation has a singularity to Inf tk = 1.5; Assymptotisk=@(x) sqrt(2/pi).*exp(-x)./sqrt(x); vc= quad(Assymptotis...

12 years 前 | 0

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10 minutes average for four hours data
nHours = 4; %number of hours Ts = 15; %sampling period [s] data = [3793.197... %your data is 960x1 size ...

12 years 前 | 0

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to determine the peak frequency in from the plot of the Fourier transform
n=0:100; %N=100 N=length(n); Ts=0.001; %period [s] Fs=1/Ts; %frequency [Hz] t=(0:Ts:Ts*n(end)); A=10; w=0....

12 years 前 | 0

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how to use zeros command to construct a new sequence?
n=0:100; %->N=101 T=0.001; %period [s] t=(0:T:T*n(end)); x=10*cos(0.2*pi*n+1.2); where *x(1)* represent *x(n=0)*, ...

12 years 前 | 0

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use matlab to represent equations
fs = 1000; % samplig frequency [Hz] t = 0:1/fs:0.1-1/fs; % time vector w = 267*pi; % oscilation frequency [rad/s] (133....

12 years 前 | 0

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Import alphanumeric data from .txt
fid=fopen('test_data.txt'); str = textscan(fid,'%s %s\r',inf); fclose(fid); timeStr = cell2mat(str{1}); Time =...

12 years 前 | 0

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Alpha and beta extraction on an ellipse...
beta_element = zeros(ParNum,NumPoints); beta_factor = y./(ery.^2); alpha_element = zeros(ParNum,ParNum,NumPoints); fo...

12 years 前 | 0

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How can I select only the values in a Matrix, which don't have the value?
i=find(~MatrixA); Matrix1Quotient = MatrixB(i)./MatrixA(i);

12 years 前 | 0

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Time stamp using xlswrite
xlswrite('repeati.xlsx',{clox},'E6:E6');

12 years 前 | 0

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