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Help in doing Matrix Multiplication
mathematically, to perform AXB for matrix A of dimensions m1,n1 and Matrix B of dimensions m2 and n2, n1 and m2 should be equal...

12年以上前 | 0

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how to add new data to matlab uitable that old data and data that has been updated to appear in matlab uitable?
To append, read data from uitable using get method, append the new data in your code, set the data again by using the se...

12年以上前 | 0

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simplify the matlab coding
I would suggest you to use arrays instead of variables like X1, X2, Y1, Y2 etc. That is, in place of X1, X2, Y1, Y2 etc use X(1)...

12年以上前 | 1

12年以上前 | 0

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how to add new data to matlab uitable that old data and data that has been updated to appear in matlab uitable?
You want to append to existing data or replace existing data?

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I really need help with image matrix in matlab.
do an imread image and then from the result matrix, Resultant Matrix Output=[InputMatrix>Threshold].*InputMat...

12年以上前 | 1

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How to make a script to calculate the sum described
sum(1:100) or 100*(100+1)/2

12年以上前 | 1

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How can I make a function plot based on the values listed below?
doesn't plot(x,y) work?

12年以上前 | 0

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How to use "dos" command in matlab!
dos ('sumo-gui -c szenario.sumo.cfg') this should do in my opinion, provided path of sumo is in the windows path.

12年以上前 | 0

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Downloading weather (wind speed) data in matlab
I remember some demos here. Please check!

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How to send to matlab the final outcome of a simulink model?
Do you mean values at outports? In that case you can use sim command. sim can simulate the model, log the output valu...

12年以上前 | 1

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i use function size(a), 1200*1920*3. what 3 means in this?
three dimensional data. I think you read a 1200X1920 colour image. The 3 rd dimension is R, G, B values. What i mean is data[:,:...

12年以上前 | 0

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Expand a column vector to a matrix without using for loop
ResultMatrix=repmat(a,1,n)

12年以上前 | 1

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I am doing a project in simulink, need a anolog to digital converter(ADC) and digital to anolog converter(DAC) blocks. didn't get such type of blocks in simulink library.so can u please send me how to download that blocks.
you can search here.. http://www.mathworks.in/help/comm/blocklist.html Otherwise, you can design one of your own. Flash Conve...

12年以上前 | 0

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why do i keep getting 'Subscript indices must either be real positive integers or logicals'?
you have specified t to be 0.1. x(i+t) will be x(1.1) for i=1. You cant index arrays like this. Array indices are positive i...

12年以上前 | 0

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after doing arithmatic operations to the image is there any method to convert the result into the image.
Image is nothing but a matrix of data. You can write any matrix into an image by using imwrite method.

12年以上前 | 0

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Replace elements of a vector with different probability for 0 to 1, and 1 to 0
You can use a for loop and counter. Might not be efficient. But still does the trick. Something like this, for every element ...

12年以上前 | 0

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Where to buy MATLAB Software in Chennai?
You can go to mathworks.com and click on one of the several products shown there. It will eventually lead to buy page. You can d...

12年以上前 | 0

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how to compress a variable size matrix into a fixed size one?
You want to truncate first 25 rows and columns? [m,n]=size(VariableSizeMatrix) if (m>=25 && n>=25) FixedSizeMatr...

12年以上前 | 0

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How can i count peaks above a threshold?
To count all points above threshold, sum(A2>Threshold) will do. And as far as "Also how would i count the peaks wit...

12年以上前 | 1

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HOW TO USE "INTERSECTION AND UNION" IN MATALB?
N=union (B,C)+abs(intersect(B,C)) Take a lot of care about matrix dimensions. The intersection matrix is smaller or equal in si...

12年以上前 | 0

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Is it possible to put array index as zero in matlab?
No.. Matlab Array indices start from 1. Very different from all other languages(few) I have worked with.

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how to do programing for go object up and down
WYA is WYG. What precisely is your need? Do you mean graphics?

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I have written a function in MATLAB as follows,
Yes .. quadfunc takes exactly one argument. Pass it. Eq: quadfunc(5) You can call the function as above from MATLAB c...

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how will i start this project in gui window?
Way to vague.. Yes. Type GUIde in your MATLAB command window. In the Dev Environment window, put all the elements y...

12年以上前 | 0

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Inputs in Simulink model....
For an exhaustive list of possibilities in giving Input to a Simulink Model, use SignalBuilder. Signal Builder has an added adva...

12年以上前 | 0

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Collecting user input to collect data from an EXCEL file
I would suggest you to read all the data once (using xls read, or ActiveX if you need speed), and then keep it in memory. Use th...

12年以上前 | 0

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How can I write a spesific math function, can anyone help?
Use Differentiation function if you are looking for that. That is what i could infer from your question. http://www.mathwork...

12年以上前 | 0

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Time based function simulink....
stateflow will be ideal. But you should have stateflow licence (different from simulink licence) to use it. Otherwise construct ...

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How to write a cipher code
See if this helps. http://www.mathworks.in/matlabcentral/fileexchange/31522-substitution-cipher-encoder-and-decoder

12年以上前 | 0