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Hildo


21 total contributions since 2015

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Question


Diagonal of inverted matrix
I am working with a large sparse matrix. How can I get the diagonal of the inverse of this matrix? If I use diag(inv(A)) , ...

2 years ago | 2 answers | 0

2

answers

Answered
Generating a square wave
# Use the block "clock" that output to you the simulation time; # Get the rest of the division of this time by your period <htt...

2 years ago | 0

| accepted

Answered
What is the maximum Sampling rate of ADC in Tms320F28377s when simulink model is deployed in it?
The most important, you have to read this information in the DSP datasheet. The Simulink only generate the C-code that is compi...

2 years ago | 0

| accepted

Answered
How to make multiple data sets an equal length
Can you clarify or post some data example? I think you just have to create the correct "X data" to plot. %length(Y1) ...

2 years ago | 0

Answered
3D array manipulation Simulink
It is possible using the "Direct Lookup Table (n-D)" block, selecting it to have a "table input".

2 years ago | 0

| accepted

Question


3D array manipulation Simulink
I'm using the Simulink and the "Constant block" to read a 3D matrix (row,column,page) in the workspace. I want to select one pa...

2 years ago | 1 answer | 0

1

answer

Answered
How to format datastamp XTick?
I solved this, founding this function datetick('x','HH:MM') The is present in the R2016a version.

2 years ago | 0

| accepted

Answered
How can i cut the element in matrix?
Change this number to string, so you will can cut.

2 years ago | 0

Answered
How can I use dll (writed in C++) in matlab?
Try this <https://www.mathworks.com/help/matlab/matlab_external/calling-functions-in-shared-libraries.html>. The language that ...

2 years ago | 0

Answered
optimize my code to work better
First of all, avoid don't close the lines. Usually you don't want to print the results of each line, so use ";" at the end of ea...

2 years ago | 0

Answered
Publish Code results as PDF
One greatest way (better to publish) is to use the LaTEX instead Offices suite e use this library <http://www.howtotex.com/tips-...

2 years ago | 0

Answered
Simplify symbolic functions: remove terms
Do you want to remove a specific variable You can use new_equation = subs(equation,var,0); new_equation2 = simplify(e...

2 years ago | 0

Question


How to format datastamp XTick?
How to format datastamp XTick in a Matlab plot to just hour:minute? I tried to use xtickformat('dd-MMM-yyyy') But this ...

2 years ago | 1 answer | 0

1

answer

Answered
How I can read a CSV file with header?
The better way was use the textscan function with ";" delimiter and after replace the "," by "." before the conversion of string...

2 years ago | 0

| accepted

Question


To Workspace block inside Subsystem, using mask
How to parametrize the "Variable name" of a "To Workspace' block used inside a subsystem, using the mask of this subsystem? I...

3 years ago | 0 answers | 0

0

answers

Question


How to get all permutation of a large vector?
How to get all permutation of a large vector? (50 elements) I need this to generate a Simulink simulation with each combination...

3 years ago | 1 answer | 0

1

answer

Answered
Is it possible to transfer a PLECS scope output to MATLAB?
Directly, I think not. The best way is using the "To Workspace" block in Simulink.

4 years ago | 0

Answered
zero crossing detection cause simulation error
I have the exactly same problem, even changing the configurations. I know that problem occur because I am using a comparative b...

4 years ago | 0

Answered
Error while compiling SIMULINK code for dSpace ControlDesk..
I started to use a dSpace 1130 this week and had the same problem. I solve it reducing the sampling rate of the solver (incresin...

4 years ago | 0

Question


Conveter a string with space in a number
A have one vector returned by the function textscan which have spaces inside the numerical string. E.g.: ' 0 0 , 2 3 ' ...

4 years ago | 2 answers | 0

2

answers

Question


How I can read a CSV file with header?
How I can read one CSV file with header, semicolon to separate the column and coma to float point? One example is annex. I try...

4 years ago | 2 answers | 0

2

answers