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logical statement accelerates or decelerates speed?
Because, when you are increasing the no. of logical expression,leads to increase the memory allocation (i.e both temporary and ...

presque 13 ans il y a | 0

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how i can plot this 3D graph ?
plot(x,y,z) or view(3) or plot3(x,y,z)

presque 13 ans il y a | 0

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change column in matrix
a=1:2250; d=reshape(a,[75 30]);

presque 13 ans il y a | 0

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How to run simulink model from gui written in script?
Through script, you can do this by before using sim('your model name'); Mention the *Tstop*=10 or any, then you can change this ...

presque 13 ans il y a | 0

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how to get the co-ordinate values & labels when click on the plotted line
In plotted signal, goto *Tools*->enable *datacursor*, for signal name goto *insert*-> *legend*

presque 13 ans il y a | 0

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How to animate an object in circular motion with its acceleration vectors showing.
Already your question is answered, check this: <http://www.mathworks.com/matlabcentral/answers/9541-moving-point-along-a-curv...

presque 13 ans il y a | 0

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How to plot four variables value in XY graph
plot(x,y,'r*',x1,y1,'b-')

presque 13 ans il y a | 0

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how can i sample a measured voltage signal in simulink and know the sampled value of each sample to calculate RMS of the voltage signal.
Use *RMS* block and mention *frequency* and then *to workspace* block and save format as *array*

presque 13 ans il y a | 0

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Please format this code..?
Use 'diary' command

presque 13 ans il y a | 0

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How to change matrix dimensions?
try this: a=zeros(1000,35,12); b=reshape(a,[1000 420]);

presque 13 ans il y a | 0

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how can i store all simulation results from gibbs sampling VERTICALLY?
try this: for i=1:3 a{i}=i*ones(3); d(:,:,i)=a{i}; end

presque 13 ans il y a | 0

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How to adjust value from matlab-mfile and feedback in simulink
step1:Initialize all i/p data in m-file & variable 'i' step2: use 'sim()' command to run your model step3: store the value...

presque 13 ans il y a | 0

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how to distinguish several curves in the scope?
you can increase the no. of axes to display each output. for changing the color of waveform in scope is available from r2011b ve...

presque 13 ans il y a | 1

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Error reading value from workspace
Check whether your sample time of 'from workspace' block is inherited? Usually in 'from workspace', you have to mention both dat...

presque 13 ans il y a | 0

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How to give input from matlab (mfile) to simulink model
you can do this by creating variable 'myinput' as constant block in simulink model

presque 13 ans il y a | 0

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making different signals equal in length
Can you provide the data? you can do it by adding zeros, ones, any desirable data to the data having minimum sizes from data hav...

presque 13 ans il y a | 0

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Matrix and vector multiplication elementwise
hi, a=[1 2 3;2 3 4;4 5 6]; h=[2 2 2]; for i=1:3 for j=1:3 c(i,j)=a(i,j)*h(i); end end di...

presque 13 ans il y a | 0

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how to solve non-linear equations
you can't give variable name like w(0),w(1),w(2)..here variable is w and 0,1,2..are maybe iterations.. so declare variable clear...

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How to send data from while loop during each iteration to simulink sub system model
while(....) for (...) pbest=[...] %no.of data depends on population gbest=[] %one globally best dat...

presque 13 ans il y a | 0

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how can i store all simulation results from gibbs sampling ?
Check this: for i=1:3 a{i}=i*ones(3); end b=cell2mat(a)

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Undefined function 'sym' for input arguments of type 'double'.
Read this mentioned link: http://www.mathworks.com/help/symbolic/sym.html

presque 13 ans il y a | 0

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adding column in text file with value
Check the below code: a=zeros(68160,1); k=480; l=5; j=1; for i=1:numel(a) if i<=k a(i)=a(i)+0; ...

presque 13 ans il y a | 0

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How can I draw double Y-axis on a time series plot
You can do with 'subplot' command

presque 13 ans il y a | 0

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How to Concatenate two large numbers in Matlab
a=10; b=20; a1=num2str(a); b1=num2str(b); c=strcat(a1,b1)

presque 13 ans il y a | 0

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How to create multiple matrix using for loop?
Hi.. try this code a=[1:10]; for i=1:numel(a) if i==a(1) disp(a) elseif i<=6 a(1)=[...

presque 13 ans il y a | 0

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Problem with for loop on MATLAB
Hi, try this code: num = input('Enter a number: '); p = 0; %even im = 0; %odd pos = 0; %positives n = 0; %nega...

presque 13 ans il y a | 1

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Algebric loop in simulink
You can use 'from' and 'goto' blocks from simulink-->signal routing library.

presque 13 ans il y a | 0

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combining strings by using loops
N=1000; F=0; for i=1:N if i==1 F(i)=F(i) +a.*x1(i,1)^2+b.*x2(i,2)^2+c./x3(i,3))-Outputs(i,1); else F(i)=F(i-1)...

presque 13 ans il y a | 0

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how to change the bw to wb
In b/w image.. white=1, black=0; so you can replace by if pixel==1 pixel=0 elseif pixel==0 pixel==1 end

presque 13 ans il y a | 0

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Using simulink as fitness function for GA
Hi, FYI,Genetic algorithm is a population based method, probably the gains for PID controller(i.e, Proportional gain, Integ...

presque 13 ans il y a | 0