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I am trying to make a s-function in my simulation. it consists of a c program. I have put this c program in matlab folder.But the simulation shows error and says that such a c program does not exist. s function does not allow us to specify the path name
Hmm... if you are writing an S-function by hand, then you should be able to add your other source files when you build it >...

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Convolution using Embedded MATLAB Function Block in simulink
To do this, somewhere in your model you need to have a block that maintains the previous values of the sampled input (the convol...

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How to set multiple ports for a step input block
I believe you can use a single Step block, and then for the various parameters (such as the Final Value parameter) you can set a...

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mirrored axes labels with imagesc
Are you referring to the y-axis being in reverse direction? If so, you can set it back... a = rand(5,5) a(3,3) = NaN ...

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text into matrix cell
My solution would involve meshgrid and some fancy arrayfun action (though you could easily replace arrayfun with a for loop) ...

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for loop query
Reshape and fliplr will help you here: m = 3; c = [40,39,36,30,22,21,1,2,3,4,5,6] result = reshape(c,m,[])' result...

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convert to text
I think your step creating e should be E = reshape(D,8,[])' The way you have it now does not properly reorder the string...

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ftp connection
I get the same behavior you get. This works for me though... f=ftp('tgftp.nws.noaa.gov'); cd(f,'data/observations/metar...

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coordinates of pixels in a contour plot
I would just bypass the contour altogether. It seems that you essentially want to find the points where (Am1_r == 0) & (Am2_r...

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Simscape Pneumatic Orifice Problem
I am no expert in pneumatics (I had to make sure I was spelling it right when I typed it just now) but I have a thought. The ...

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changing the style in a loop with hold all...
Ok I understand your remark about it "feeling wrong" so please don't hate me for suggesting this... However, a little-known tri...

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Removing a block and making connections
I've run into this before. My solution was to find port handles and reconnect. I'm not sure if there is an easier way. Here...

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

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Setting priority to data store read/write blocks
A couple general comments for you - If you really are just using Data Stores to avoid drawing signal lines, you'd probably be...

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simulink components names from vector of strings
Sounds like you just need some string concatenation... for i = 1:length(vector) block2AddSrc = ['library/' vector{i}...

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Stateflow question: transitions evaluated before state is executed
Hi Iban, I believe that is actually the default behavior. Generally, outer transitions (ones on the super states) are tested...

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3d representation of GPS coordinates
Hmmm... does stem3 help? t = 0:0.01:pi; x = sin(t); y = cos(t); z = t; stem3(x,y,z)

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how do I write the intergration part of an equation into matlab
I would start by simplifying the problem a bit. *Step 1 - for a fixed x1,x2, how could I calculate the integral?* For this, yo...

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3D interpolation Help with
I always find this stuff cool for some reason. Anyway, TriScatteredInterp might help you X=[245 135 356 356 135 245 450 24...

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matrix array
Would reshape followed by transpose do the trick.... %Create data array data = [12 0 8 0 4 0 1 0 5 0 9 0 3 0 1 0 10 0 12...

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Multiple date and time formats in .txt files
I'm going to assume you have a cell array of strings of different formats. Could you define some criterion of being able to det...

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pushbutton coloring problem
Sounds like a bug. I would report it using the "Contact Support" button here: <http://www.mathworks.com/support/?s_cid=globa...

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What is the best way to execute a Simulink model step-by-step (interactively) from Matlab
Forgive the basic question, but why can't you just set the simulation inputs to change at desired points in the simulation? F...

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replacing multiple lines with multiple lines in ascii file
Can you read the whole file in and then just replace the strings? wholeFile = fileread('myFile.txt'); newStr = 'This is ...

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multiple subplots in a figure
Similar question: <http://www.mathworks.com/matlabcentral/answers/6481-strange-behavior-bug-with-subplot-and-setting-outerposit...

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Unable to troubleshoot this error message
I'm not sure, but should [Z,Y]=RK4(-0.5e-8, [0.1;0.5], 20e-100, 50, @(Z,Y) prob5partb(z,y,n)); really be [Z,Y]=RK4...

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Increase the speed of the program
I may be missing something, but a general thought... Try replacing all those calls to dlmread with the textscan function. ...

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Nested Structures using Custom Storage Classes RTW EC
Can you be more specific as to how nested bus objects is limiting for you? Most people I've encountered achieve nested struct...

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