I am an Associate Application Support Engineer at MathWorks.

My areas of interest are Deep Learning and Computer Vision.

DISCLAIMER: The advice and opinions here are my own and not in any way that of MathWorks.

Answered

How can i solve this? Subscripted assignment dimension mismatch

The error message indicates that you may be assigning an array of values but the sizes of the arrays on the left and right of '=...

How can i solve this? Subscripted assignment dimension mismatch

The error message indicates that you may be assigning an array of values but the sizes of the arrays on the left and right of '=...

4 days ago | 0

| accepted

Answered

Plot Results of objective function in fmincon

Hi Amanuel, @optimplotfval is designed to plot the output of the Objective Function against the number of iterations. In you...

Plot Results of objective function in fmincon

Hi Amanuel, @optimplotfval is designed to plot the output of the Objective Function against the number of iterations. In you...

7 days ago | 2

Answered

How to use IF with @(block_struct) function

Hi Saud, Since blockproc uses anonymous functions, you may save your multi-line function into a script, say myFunc.m and then p...

How to use IF with @(block_struct) function

Hi Saud, Since blockproc uses anonymous functions, you may save your multi-line function into a script, say myFunc.m and then p...

7 days ago | 0

| accepted

Answered

How do I find the given eigenvectors

I presume that you've obtained these eigenvalues by calling the 'eig' function in MATLAB. You may try calling the same with a se...

How do I find the given eigenvectors

I presume that you've obtained these eigenvalues by calling the 'eig' function in MATLAB. You may try calling the same with a se...

12 days ago | 0

Answered

Row index exceeds table dimensions.

If you could attach the input file, others users may actually run the code with that data and witness the exact error themselves...

Row index exceeds table dimensions.

If you could attach the input file, others users may actually run the code with that data and witness the exact error themselves...

12 days ago | 0

Answered

Looping vector values into functions

Saving multiple variables with names 'n1', 'n2', etc may be a bad practice, I would recommend using a vector 'n' with indices 1-...

Looping vector values into functions

Saving multiple variables with names 'n1', 'n2', etc may be a bad practice, I would recommend using a vector 'n' with indices 1-...

14 days ago | 0

Answered

Help with simple ANN for data prediction

If you're looking to pick up how Neural Networks are handled in Matlab, I would suggest going through some of the examples in th...

Help with simple ANN for data prediction

If you're looking to pick up how Neural Networks are handled in Matlab, I would suggest going through some of the examples in th...

19 days ago | 0

Answered

Array not positive real value?

As others have pointed out, this error message typically occurs when you're indexing an array with incompatible values (usually ...

Array not positive real value?

As others have pointed out, this error message typically occurs when you're indexing an array with incompatible values (usually ...

19 days ago | 0

Answered

How to add a column in MATLAB after sorting an array

Hi Sukalyan, Looking at your figure, I assume that the data is a table existing in the workspace and that you've already sorted...

How to add a column in MATLAB after sorting an array

Hi Sukalyan, Looking at your figure, I assume that the data is a table existing in the workspace and that you've already sorted...

19 days ago | 0

Answered

Combinations of values in vectors

Hi Davide, To answer both your questions.. a) I'm assuming that you don't want to specify 'lam' in the code (along with the i...

Combinations of values in vectors

Hi Davide, To answer both your questions.. a) I'm assuming that you don't want to specify 'lam' in the code (along with the i...

28 days ago | 0

Answered

Include several folders into path using Matlab Engine for Python

Hi Davide, If you're in MATLAB at the command line, you may use genpath and addpath as follows to add a folder 'myOuterFolder'...

Include several folders into path using Matlab Engine for Python

Hi Davide, If you're in MATLAB at the command line, you may use genpath and addpath as follows to add a folder 'myOuterFolder'...

1 month ago | 0

Solved

Find relatively common elements in matrix rows

You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

1 month ago

Solved

QWERTY coordinates

Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...

1 month ago

Answered

How to deal with a single tsv-file whose size is out of the memory?

I have noticed that you have not created the tall array in the code attached. Perhaps . . . t = tall(ds); might be missing. ...

How to deal with a single tsv-file whose size is out of the memory?

I have noticed that you have not created the tall array in the code attached. Perhaps . . . t = tall(ds); might be missing. ...

1 month ago | 0

Answered

Error Using convertToGUIDECallbackArguments(app, event)

Hi Sebastian, The 'event' object seen here typically has different properties depending on which type of event it is respondin...

Error Using convertToGUIDECallbackArguments(app, event)

Hi Sebastian, The 'event' object seen here typically has different properties depending on which type of event it is respondin...

1 month ago | 0

Answered

How can i find an equation from datas?

You may pick out a model first to fit your data onto. There a wide variety of models available in Matlab and the choice would de...

How can i find an equation from datas?

You may pick out a model first to fit your data onto. There a wide variety of models available in Matlab and the choice would de...

1 month ago | 0

Answered

Read data from .txt file

I recommend trying the 'Import Data' button on the Home tab in the Matlab toolstrip. After selecting your .txt file in the tool,...

Read data from .txt file

I recommend trying the 'Import Data' button on the Home tab in the Matlab toolstrip. After selecting your .txt file in the tool,...

1 month ago | 0

Solved

Make a Palindrome Number

Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

1 month ago

Solved

Extract leading non-zero digit

<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

1 month ago

Solved

Subset Sum

Given a vector v of integers and an integer n, return the the indices of v (as a row vector in ascending order) that sum to n. I...

1 month ago

Solved

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 ...

1 month ago

Solved

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...

1 month ago

Solved

Find the alphabetic word product

If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

1 month 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...

1 month ago

Solved

Pascal's Triangle

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

1 month ago

Solved

Reverse Run-Length Encoder

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

1 month ago

Solved

Which values occur exactly three times?

Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

1 month ago

Solved

Quote Doubler

Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

1 month ago

Solved

Swap the input arguments

Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

1 month ago

Solved

Magic is simple (for beginners)

Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

1 month ago