Professional Interests: MATLAB, Simulink, Comptuer Vision

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Add a block to a model

Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-block-eqn.png>> In this case, the slope of...

5 years ago

Solved

Add offset to a signal

Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-offset-eqn.png>> You should see a downward...

5 years ago

Solved

Produce a cosine wave

Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/cosine-eqn.png>>

5 years ago

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Connect blocks in a model

Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

5 years ago

Solved

Detect a number and replace with two NaN's

Write code which replaces the number 1 with two NaNs. Example X = [ 1 2 NaN 4 1 3 7 NaN 1 4 NaN 2] ...

5 years ago

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Function Iterator

Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

5 years ago

Answered

output variable size matrix, while its specified type is something else.

MATLAB Function Block is having difficulty inferring the size of x. Replacing x=value(ind); with x=value(ind(1)...

output variable size matrix, while its specified type is something else.

MATLAB Function Block is having difficulty inferring the size of x. Replacing x=value(ind); with x=value(ind(1)...

5 years ago | 2

| accepted

Answered

Problem with findpeaks - error message of 'undefined variable "coder"'

This looks like it might be a path issue. Try: restore defaultpath savepath rehash toolboxcache and restart MATLAB...

Problem with findpeaks - error message of 'undefined variable "coder"'

This looks like it might be a path issue. Try: restore defaultpath savepath rehash toolboxcache and restart MATLAB...

6 years ago | 1

| accepted

Answered

Invalid MEX-file error in R2014a(32-bit)

Mex files can be version dependent. Did you generate the MEX file using MATLAB R2014a?

Invalid MEX-file error in R2014a(32-bit)

Mex files can be version dependent. Did you generate the MEX file using MATLAB R2014a?

6 years ago | 0

Answered

See Generated code from Realtime workshop for Arduino

Generated C code can be reviewed by enabling the Code Generation report. In the Configuration Parameters dialog box select R...

See Generated code from Realtime workshop for Arduino

Generated C code can be reviewed by enabling the Code Generation report. In the Configuration Parameters dialog box select R...

6 years ago | 0

Answered

global variable inside a function

There is no need to use a global. You can pass t in as an argument to your ode function. <http://www.mathworks.com/help/matlab/r...

global variable inside a function

There is no need to use a global. You can pass t in as an argument to your ode function. <http://www.mathworks.com/help/matlab/r...

6 years ago | 2

Answered

Why does not overloading using assignin work?

Patrik, The MATLAB Answers article <http://www.mathworks.com/matlabcentral/answers/102537-why-do-i-receive-an-error-when-i-...

Why does not overloading using assignin work?

Patrik, The MATLAB Answers article <http://www.mathworks.com/matlabcentral/answers/102537-why-do-i-receive-an-error-when-i-...

6 years ago | 1

| accepted

Answered

Is there a way, when reading a file to insert text between a deliminator.

Use strsplit with "Collapse Delimiters" disabled. inputstr = '[1,1,,1;1,1,,1;1,1,,1]'; C = strsplit( inputstr , ',' , 'C...

Is there a way, when reading a file to insert text between a deliminator.

Use strsplit with "Collapse Delimiters" disabled. inputstr = '[1,1,,1;1,1,,1;1,1,,1]'; C = strsplit( inputstr , ',' , 'C...

6 years ago | 1

Answered

convert character array to cell

You can use strsplit to split the string into cells. For your output, you can use the line feed character char(10) as the delimi...

convert character array to cell

You can use strsplit to split the string into cells. For your output, you can use the line feed character char(10) as the delimi...

6 years ago | 0

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Answered

Is there an efficient method to remove leading underscores from a cell array of strings?

b = regexprep(a,'^_','','emptymatch')

Is there an efficient method to remove leading underscores from a cell array of strings?

b = regexprep(a,'^_','','emptymatch')

6 years ago | 1

Answered

Working with Cell Arrays

You can use cellfun with an anonymous function to get rid of the for loop. channel1 = { imread('cameraman.tif'),... ...

Working with Cell Arrays

You can use cellfun with an anonymous function to get rid of the for loop. channel1 = { imread('cameraman.tif'),... ...

6 years ago | 0

Answered

how to generate a matrix from another matrix

You can use <http://www.mathworks.com/help/matlab/ref/rdivide.html rdivide> to do this. "rdivide" will expand the scalar "0.001"...

how to generate a matrix from another matrix

You can use <http://www.mathworks.com/help/matlab/ref/rdivide.html rdivide> to do this. "rdivide" will expand the scalar "0.001"...

6 years ago | 0

Answered

Scatter plot does not display point 0,0 when double precision

This looks like an issue with the Painters renderer. Switching to OpenGL resolves the issue on my end. x = [0 0; 12 0; 6 6]...

Scatter plot does not display point 0,0 when double precision

This looks like an issue with the Painters renderer. Switching to OpenGL resolves the issue on my end. x = [0 0; 12 0; 6 6]...

6 years ago | 1

Solved

Pattern matching

Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

6 years ago

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Create a row array using double colon operator

Create a row array from 9 to 1, using the double colon operator.

6 years ago

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Factorize THIS, buddy

List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

6 years ago

Solved

Trimming Spaces

Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

6 years ago

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Find the sum of the elements in the "second" diagonal

Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

6 years ago

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Fahrenheit to Celsius using multiple statements

Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

6 years ago

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Tell me the slope

Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

6 years ago

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Which doors are open?

There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

6 years ago

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Return a list sorted by number of occurrences

Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

6 years ago

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Reverse Run-Length Encoder

Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

6 years ago

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Making change

Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

6 years ago

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Circle area using pi

Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

6 years ago