Muthu Annamalai
MathWorks
自 2012 起处于活动状态
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Regular Joe :)
DISCLAIMER: Any advice or opinions posted here are my own, and in no way reflect that of MathWorks, Inc.
Professional Interests: Mathematical Modeling, Communications, Photonics, Optics
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已回答
How to create structure with while loop?
Hello Vy, You are looking for a event loop like this, answer = 'y' while strcmpi(answer,'y') %do something an...
How to create structure with while loop?
Hello Vy, You are looking for a event loop like this, answer = 'y' while strcmpi(answer,'y') %do something an...
9 years 前 | 0
已回答
What code would I use for this question
The code depends on who gets the extra credit J I would recommend using a while loop like another example in page 4 of Cleve ...
What code would I use for this question
The code depends on who gets the extra credit J I would recommend using a while loop like another example in page 4 of Cleve ...
9 years 前 | 0
已回答
i am student, i want to detect the tumour that is lung cancer cells present in lungs using template matching algorithm.
Have you considered using Mathworks' <http://www.mathworks.com/products/computer-vision/features.html#object-detection-and-recog...
i am student, i want to detect the tumour that is lung cancer cells present in lungs using template matching algorithm.
Have you considered using Mathworks' <http://www.mathworks.com/products/computer-vision/features.html#object-detection-and-recog...
9 years 前 | 1
已回答
How to insert char to table?
If you are mismatching to the number of rows in your Table. Try assigning a cell-array of strings to your Table out2, at the ...
How to insert char to table?
If you are mismatching to the number of rows in your Table. Try assigning a cell-array of strings to your Table out2, at the ...
9 years 前 | 0
已回答
how can i combine 8*8 blocks into image after inserting text in each block?
You have code that almost works, pending a linear transformation; I would suggest trying the 2-step recipe, # Build the mosai...
how can i combine 8*8 blocks into image after inserting text in each block?
You have code that almost works, pending a linear transformation; I would suggest trying the 2-step recipe, # Build the mosai...
9 years 前 | 0
已回答
Orthogonalization of time series data
Sounds like eig maybe useful, and you may find *principal component analysis* (PCA) of interest too. See <http://www...
Orthogonalization of time series data
Sounds like eig maybe useful, and you may find *principal component analysis* (PCA) of interest too. See <http://www...
9 years 前 | 0
已回答
Importing Excel Files using a Function
MATLAB is not able to find your variable *workbookFile*. You should try to add a call to *narginchk(1,3)* in your code, like ...
Importing Excel Files using a Function
MATLAB is not able to find your variable *workbookFile*. You should try to add a call to *narginchk(1,3)* in your code, like ...
9 years 前 | 0
已回答
What is the best approach in editing script files with other script files ?
@Rodriguez, and @Cedric I propose an alternative way to look at the question; it would be nice to have same script return differ...
What is the best approach in editing script files with other script files ?
@Rodriguez, and @Cedric I propose an alternative way to look at the question; it would be nice to have same script return differ...
9 years 前 | 0
已回答
Problem writing in data into a csv using fprintf
Have you tried <http://www.mathworks.com/help/matlab/ref/csvwrite.html csvwrite> or <http://www.mathworks.com/help/matlab/ref/d...
Problem writing in data into a csv using fprintf
Have you tried <http://www.mathworks.com/help/matlab/ref/csvwrite.html csvwrite> or <http://www.mathworks.com/help/matlab/ref/d...
9 years 前 | 0
已回答
Can this loop be sped up significantly?
It seems like you are trying to calculate a 2-tap FIR filter (if your lagsTE = 1) or lagsTE+1 tap FIR filter with lagsTE-2 coeff...
Can this loop be sped up significantly?
It seems like you are trying to calculate a 2-tap FIR filter (if your lagsTE = 1) or lagsTE+1 tap FIR filter with lagsTE-2 coeff...
9 years 前 | 0
已回答
How to convert floating point filter coeffiecients ( generated from FDA tools) to fixed point without Fixed point toolbox
Did you try the fixed point conversion tool ? It generates fixed point MATLAB code as intermediate output during generation o...
How to convert floating point filter coeffiecients ( generated from FDA tools) to fixed point without Fixed point toolbox
Did you try the fixed point conversion tool ? It generates fixed point MATLAB code as intermediate output during generation o...
9 years 前 | 0
| 已接受
已回答
I wanna create vector of structures
You may also try, in addition to Azzi's code, ii=1:10; vec = arrayfun ( @(i) struct('a',i, 'b',20-i, 'c',i+3), ii ); ...
I wanna create vector of structures
You may also try, in addition to Azzi's code, ii=1:10; vec = arrayfun ( @(i) struct('a',i, 'b',20-i, 'c',i+3), ii ); ...
9 years 前 | 0
已回答
How set minimum peak height (threshold of peak height)
Turns out in your case there is an option called *MinPeakHeight* in the *findpeaks* documentation. Check this out, <http://ww...
How set minimum peak height (threshold of peak height)
Turns out in your case there is an option called *MinPeakHeight* in the *findpeaks* documentation. Check this out, <http://ww...
9 years 前 | 0
已回答
Why is my RGB image not displaying as expected using imshow?
Have you tried using a, *colormap* >> doc colormap may help.
Why is my RGB image not displaying as expected using imshow?
Have you tried using a, *colormap* >> doc colormap may help.
9 years 前 | 0
已回答
Read in a plain/text file in Matlab
Original question is answered by # doc fileread See split manipulation functions # doc strsplit # doc regexprep
Read in a plain/text file in Matlab
Original question is answered by # doc fileread See split manipulation functions # doc strsplit # doc regexprep
9 years 前 | 0
已回答
How do I plot wireless signal strength measurements using a spherical plot
You may try to plot the *polar* plots for X-Y, X-Z, and Y-Z planes, and choose to use decibel (dB) scale or *log* scale. Read m...
How do I plot wireless signal strength measurements using a spherical plot
You may try to plot the *polar* plots for X-Y, X-Z, and Y-Z planes, and choose to use decibel (dB) scale or *log* scale. Read m...
9 years 前 | 0
已回答
Anonymous function alternative for MATLAB Coder?
You may write out your function with extra arguments as object. First define this class, classdef FcnWithArgs prop...
Anonymous function alternative for MATLAB Coder?
You may write out your function with extra arguments as object. First define this class, classdef FcnWithArgs prop...
9 years 前 | 0
已回答
How to compute execution time?
Have you tried, # >>doc timeit # >>doc profile Using *timeit* is easy but your script has to be in a function form. Usin...
How to compute execution time?
Have you tried, # >>doc timeit # >>doc profile Using *timeit* is easy but your script has to be in a function form. Usin...
9 years 前 | 0
已回答
How to break out of a while loop inside a function block ?
Changing your code to, keep = true; h = figure('KeyPressFcn',@() keep= ~keep ); while keep ...
How to break out of a while loop inside a function block ?
Changing your code to, keep = true; h = figure('KeyPressFcn',@() keep= ~keep ); while keep ...
9 years 前 | 0
已回答
"findobj" for user defined class?
While @Steve Lord has answered the question "why you shouldn't do this," I'll go ahead and try to answer how you can do this, an...
"findobj" for user defined class?
While @Steve Lord has answered the question "why you shouldn't do this," I'll go ahead and try to answer how you can do this, an...
9 years 前 | 1
| 已接受
已回答
shade area under a semilog plot
Hello @monkey_matlab, After some experimenting I find the following a interesting variant for your requirement, close al...
shade area under a semilog plot
Hello @monkey_matlab, After some experimenting I find the following a interesting variant for your requirement, close al...
9 years 前 | 1
已回答
How to simulate precession?
MATLAB has lots of tools to plot/visualize the fields/flows, including but not limited to the following, doc plot3 ...
How to simulate precession?
MATLAB has lots of tools to plot/visualize the fields/flows, including but not limited to the following, doc plot3 ...
9 years 前 | 0
已回答
How to detect the simulation start command (Run Button of a model) for inserting user commands before the 'SimulationStatus' takes the value 'start'?
Hello Richard, I assume you want to modify properties of a block on 'initialization of simulation'. You have callbacks on ...
How to detect the simulation start command (Run Button of a model) for inserting user commands before the 'SimulationStatus' takes the value 'start'?
Hello Richard, I assume you want to modify properties of a block on 'initialization of simulation'. You have callbacks on ...
9 years 前 | 0
已回答
how to convert a parity matrix to systenatic form? eg:H=[1 1 0 0;1 0 0 1] to form h=[1 0 ? ?;0 1??] i.e h=[I:P] in place of ? it can be 0 or 1
You may try to make the matrix into a Row Echelon form. This is similar to a technique of manually finding the matrix inverse <h...
how to convert a parity matrix to systenatic form? eg:H=[1 1 0 0;1 0 0 1] to form h=[1 0 ? ?;0 1??] i.e h=[I:P] in place of ? it can be 0 or 1
You may try to make the matrix into a Row Echelon form. This is similar to a technique of manually finding the matrix inverse <h...
9 years 前 | 0
已回答
saving mat file changes my structures!
Your problem maybe that you are loading wrong, whereas your *save* code seems OK. Try this code for your load function, ...
saving mat file changes my structures!
Your problem maybe that you are loading wrong, whereas your *save* code seems OK. Try this code for your load function, ...
9 years 前 | 0
已回答
How can i import audio from a zip file into matlab to generate the autocorrelation, pitch, and linear prediction
Try # doc wavread # doc audioread # doc unzip
How can i import audio from a zip file into matlab to generate the autocorrelation, pitch, and linear prediction
Try # doc wavread # doc audioread # doc unzip
9 years 前 | 0
已回答
compute mapping matrix between two label matrix
Try using the MATLAB function <http://www.mathworks.com/help/matlab/ref/mode.html mode> e.g. mode( B(A==1) ) returns *...
compute mapping matrix between two label matrix
Try using the MATLAB function <http://www.mathworks.com/help/matlab/ref/mode.html mode> e.g. mode( B(A==1) ) returns *...
9 years 前 | 0
| 已接受
已回答
problem with anonymous function in executable
While I don't have a explanation of why you are seeing this error, I have a suggestion to rewrite your code. Generally _funct...
problem with anonymous function in executable
While I don't have a explanation of why you are seeing this error, I have a suggestion to rewrite your code. Generally _funct...
9 years 前 | 0
| 已接受
已回答
Hello can somebody tell me what I am doing wrong?
Hi Pittman, In addition to the answer by Jos, I have some observations for you: # Enter the data at your runtime as '5', a...
Hello can somebody tell me what I am doing wrong?
Hi Pittman, In addition to the answer by Jos, I have some observations for you: # Enter the data at your runtime as '5', a...
9 years 前 | 0
已回答
Gridding data set and highlighting selection
I recommend you to read basic plotting tutorial using MATLAB and use some standard plotting functions like below, # plot func...
Gridding data set and highlighting selection
I recommend you to read basic plotting tutorial using MATLAB and use some standard plotting functions like below, # plot func...
9 years 前 | 0
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