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Subtracting matrices by column
bsxfun(@minus,A,B)

14 years ago | 0

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Error using rmdir
Maybe you need to run rehash() after executing rmdir().

14 years ago | 0

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Answered
calculation with numbers with maximum 3 nonzero digits gives a result with more then 3 nonzero digits
This is the limitation of using limited number of binary numbers to represent a real-word value. Even with double precision (8 b...

14 years ago | 0

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Answered
Separate numerical and txt string into two different strings
You are close. M_b = '1000 km'; M_b1 = textscan(M_b,'%f')

14 years ago | 0

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Discrete time nonlinear system
Grab an Integrator block, if the input is dx1/dt, then the output is x1. Do the same for x2 and then you have all you need to bu...

14 years ago | 0

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Answered
Inserting Variable NAME into plot title
use inputname()

14 years ago | 0

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Answered
Binary Bit Masking
bitand(), bitor(),

14 years ago | 0

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Answered
CAT arguments dimensions are not consistent.
To combine the variables A,b,C,d,E,f and zeros(1,n+1) into one matrix using [ A b ; C d ; E f ; zeros(1,n+1) ], they need to be ...

14 years ago | 0

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Steady state?
Typically, the results of a simulation represent the transient or dynamic response of the model under the stimulus of inputs and...

14 years ago | 0

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Answered
getting distance between each of the meshgrid point from predefined points in the plot
The problem is at your inner loop of k. As of now, dist(i,j) is re-set at every iteration of k so the result is the same as for ...

14 years ago | 0

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Dealing with multiline text
In fact, it is quite inconvenient to create a multiline text string in MATLAB. I've tried the first approach as below before. Bu...

14 years ago | 5

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Answered
"Bytes" is 0 in Variable Editor
If you do a=struct() or b=[], you will see that the variable a and b have been declared but not assigned value. Thus, a and b ha...

14 years ago | 1

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Answered
writing to an array
If you want to assign the value of the vector or matrix "a" to a particular column of the matrix variable "A", then A(:,Column...

14 years ago | 0

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adding matrices inside a big matrix
Because the size of your matrix, you might want to re-use the matrix so replace the variable "e" and "f" with "d". %% d=...

14 years ago | 1

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Simulink - Times
There are two ways. If you are using sim() to run the simulation, then use [T,X,Y]= sim('model',TIMESPAN,OPTIONS,UT), T(end) wi...

14 years ago | 0

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Answered
excel files
Show your code and show where you were stuck. xlsread() can read individual sheet. You just need two for-loops nested to rea...

14 years ago | 0

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matrix dividing
A=ones(1,450000); NewA=reshape(A,300,[]); C=B*NewA;

14 years ago | 0

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Switch Case where case is a word_anynumber
Use strfind(), strcmp() or strmatch(). You may also consider use "if-else" rather than 'case-switch" if strfind(StrVariable,'wo...

14 years ago | 0

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Why am I getting this horzcat error? The dimensions are the same(??)
A is text data. It's likely in cell array. newmat is numerical data. It's likely double array. You can't concatenate them di...

14 years ago | 0

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convert Modified Julian Date
You can use datestr(),datenum() and datevec() function. Try this: a=now; b=datestr(a) c=datevec(a) According to Wikipedi...

14 years ago | 1

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how to do implement difference equation in matlab
It might be a filter. But I thought all the assignment was asking you to do is to write a for-loop to generate the y series data...

14 years ago | 0

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how to create a GUI from another GUI?
Yes. This is problematic. I suggest you do this. Run GUIDE, open the old GUI figure, and then save as. Then you can do your m...

14 years ago | 1

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Answered
Apply logical matrix to dataset
Try this example to see how logical index works. a=magic(3); b=logical([1 0 1;0 1 0; 0 0 1]); c=a(b) It's picking the el...

14 years ago | 0

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manipulation of non numerical matricies
You are right. If you specify the value of those variables such as d,f,r1,r2,r3,m3,a,b,c,e etc. ahead of the matrix A and y, eve...

14 years ago | 0

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Answered
stop watch in Simulink
Compare the number with the constant 18, it will generate pulse signals based on the value. Feed the signal to an "Integrato...

14 years ago | 0

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Implementig user-define function in Simulink
Yes, you can use Embedded MATLAB function. But if your M-function is already done and you don't need to generate C code for it, ...

14 years ago | 1

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Sliding window integrator in matlab code
The key function is conv().

14 years ago | 0

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Can I loop xlsread to open files?
I don't understand your difficulty. The answer to your previous question has shown you how to find all the .csv file in a partic...

14 years ago | 0

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plotting trouble
In your for-loop, x and y are assigned a value one at a time. x and y are always over-written. So at the end of the loop, you en...

14 years ago | 1

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Answered
Need help to specify unique values of a vector
You probably didn't use the function right. find() finds indices of nonzero elements. I don't know why you would run idx=find...

14 years ago | 1

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