Answered
Import data from xlsx file - how to import without a specified range
If it is always to process all the data, would this work? [~, ~, raw] = xlsread(fullfile(pathname,filename),'Data'); dat...

10 years ago | 0

Answered
IF reading matrix values without preceding scientific notation
I think it should be if any(abs(B)>1e-14) Do you see the difference?

10 years ago | 0

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Answered
How to change position of duplicated Simulink module in GUI dynamically?
Assume you are duplicating a block in a model using add_block (but not add_block() from a library source), the new block name wi...

10 years ago | 1

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Answered
Is there a way to search an array for each value in a vector and return how many of each entry were found?
This should work. a = [5,6,3;10,1,24;1,2,3]; v =[1,3,5,7]; w=zeros(size(v)); for k=1:numel(v) w(k)=nume...

10 years ago | 0

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Answered
Pass arguments to a .bat file from matlab
This seems to work. Create this TestBat.bat file @echo off echo This is a test. echo %1 Run this in MATLAB ...

10 years ago | 2

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Answered
How to programmatically get custom MATLAB toolbox version?
The version info of your toolbox should really come from the contents of your toolbox source code. Provide a Contents.m file in ...

10 years ago | 3

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Answered
How to cast two uint8 into int16 in Simulink?
1. Use the ShiftArithmetic block in Simulink->Logic and Bit Operations. 2. Multiply the first number with 256 and then add to...

11 years ago | 1

Answered
How to find Stateflow chart using API's
I had a similar need but couldn't find a way. It was confirmed by the Mathworks tech support that there is no direct way to find...

11 years ago | 2

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Answered
How come signal is logged with dimension 1x1x50 instead of 1x50?
You must have that output signal resolved to a signal object, like Simulink.Signal or mpt.Signal. a=Simulink.Signal If you spec...

11 years ago | 0

Answered
Simulink callbacks when modifying model
Open your model, File -> Model Properties -> Callbacks, Any callback function that you can use? Maybe PreSaveFcn or CloseFcn ...

11 years ago | 0

Answered
Sub-libraries do not appear in the library browser
You need to add a file slblocks.m to "register" your customized library.

11 years ago | 0

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Answered
Help with multi-window GUI
Go to this page and click Axes, you will find a good example. By the way, the same info is in the MATLAB document. Type doc and ...

11 years ago | 1

Answered
How do I fix the error Function definitions are not permitted at the prompt or in scripts.
The message said so. You are not allowed to define a function in the command line or in a script file. You need to create a s...

11 years ago | 0

Answered
Using pushbutton to load file in GUI
Your code is inside a GUI callback function so rawdata1 is in the function workspace, not the MATLAB base workspace. To load ...

11 years ago | 0

Answered
Matlab Guide checkbox issue
f1=figure; hold on; h1=plot(1:10,1:10); h2=plot(1:10,sin(1:10)); set(h2,'visible','off');

11 years ago | 0

Answered
microcontrollers compatible with Matlab/Simulink
It's hard to say what is cheap. You might need to check out this link. <http://www.mathworks.com/products/connections/> Ca...

12 years ago | 0

Answered
How to Initialise variables for simulink's matlab function block?
See <http://www.mathworks.com/help/rptgenext/ug/simulinkfunctionsandvariables.html>

12 years ago | 0

Answered
logical statement accelerates or decelerates speed?
Use profile to find out how much time each statement takes. I ran your code. It is strange that first loop is faster than th...

13 years ago | 0

Answered
How to stop/delay execution for specified time
pause(1)

13 years ago | 9

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Answered
Obtain step data in plotting
a=rss; [Y,T,X]=step(a);

13 years ago | 1

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Answered
How can a convert a data set to percentage of maximum absolute value?
a=rand(5)-0.5; b=max(abs(a(:))); c=a/b d=c*100

13 years ago | 0

Answered
Adding a row in a matrix.
What do you mean by command or manually? This would do it although it is not a good practice. a=rand(31,10); a(33,10)=0...

13 years ago | 0

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Answered
Summation problem help please!
Would this be what you need? a=rand(29,100,3); b=squeeze(sum(a,1)); whos;

13 years ago | 1

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Answered
How to read multiple excel tabs each as a separate matrix
xlsread() has a lot if overhead. Follow this link to use Excel COM method. <http://www.mathworks.com/matlabcentral/answers/16...

13 years ago | 0

Answered
I am studying a solar panel using simulink tools and I got the Voltage and Power of the panel in the form of a plot and now I want to find the max value of power during the time of 0.01s which is the simulation time I gave?
If you have the power data for example P=[1.0, 1.3, 1.5, 1.4, 1.0], just use [Pmax,Imax]=max(P) Pmax = 1.5000 ...

14 years ago | 0

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Solved

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 ...

14 years ago

Solved

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:...

14 years ago

Solved

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

14 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

14 years ago

Solved

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

14 years ago