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Elapsed Time

Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

5 months ago

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Duplicates

Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

5 months ago

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Quote Doubler

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

5 months ago

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Find the longest sequence of 1's in a binary sequence.

Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

5 months ago

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Nearest Numbers

Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

5 months ago

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automatize try catch for figures

What you can do is to embed your try catch statemets in a for/while loop. Try loading each figure in the loop one by one, each ...

automatize try catch for figures

What you can do is to embed your try catch statemets in a for/while loop. Try loading each figure in the loop one by one, each ...

5 months ago | 0

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the state representation of the dynamic system

Error is in line 8 x = A*x + B*U To be able to multiply A with x, you need to predefine x. You cannot initiate a variable x wi...

the state representation of the dynamic system

Error is in line 8 x = A*x + B*U To be able to multiply A with x, you need to predefine x. You cannot initiate a variable x wi...

5 months ago | 0

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How can I find depth of an object on a table using Kinect V2 sensor?

You can easily find depth of an object using concept of Stereo Depth Estimation. Another pdf with a nice explanation of the con...

How can I find depth of an object on a table using Kinect V2 sensor?

You can easily find depth of an object using concept of Stereo Depth Estimation. Another pdf with a nice explanation of the con...

5 months ago | 0

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access to a element of a matrix

If you want to multiply each element of I matrix with some constant, you can directly do: a = [ 1 2 3 4] b = 2*a % b = [2 4 ...

access to a element of a matrix

If you want to multiply each element of I matrix with some constant, you can directly do: a = [ 1 2 3 4] b = 2*a % b = [2 4 ...

5 months ago | 0

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Answered

Input content of vector into 2nd dimension of 2-D array

Example : Let 'A' of dimension (1,5) is the input 1D array. A = [1 2 3 4 5] If you want your output 2D matrix 'B' to be of dim...

Input content of vector into 2nd dimension of 2-D array

Example : Let 'A' of dimension (1,5) is the input 1D array. A = [1 2 3 4 5] If you want your output 2D matrix 'B' to be of dim...

5 months ago | 0

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MATRIX REPRESENTATION OF COLOUR IMAGES

Images can be represented as both 2D and 3D matrices. When the image is grayscale (i.e. black and white) then we need only 2 cha...

MATRIX REPRESENTATION OF COLOUR IMAGES

Images can be represented as both 2D and 3D matrices. When the image is grayscale (i.e. black and white) then we need only 2 cha...

5 months ago | 0

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Running C code from Matlab

To run a function from a C file in MATLAB, you have to create a MEX file. Edit your C code as per the following: https://www.ma...

Running C code from Matlab

To run a function from a C file in MATLAB, you have to create a MEX file. Edit your C code as per the following: https://www.ma...

5 months ago | 0

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Sorting through labelled data

If you can skip using the above given for loop, you can store the above strings in a string array as : A = ["0","Negative"; ...

Sorting through labelled data

If you can skip using the above given for loop, you can store the above strings in a string array as : A = ["0","Negative"; ...

5 months ago | 1

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Does Deep learning based analysis require image registration?

Image registration can help you solve cases of affine transformations in your CT scan images. If your deep learning architechtur...

Does Deep learning based analysis require image registration?

Image registration can help you solve cases of affine transformations in your CT scan images. If your deep learning architechtur...

5 months ago | 0

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I want to new vector with zero mean

You can try x = y-mean(y). However, the above solution wont work if you have a negative mean(y). x=y-mean(y) will increase the...

I want to new vector with zero mean

You can try x = y-mean(y). However, the above solution wont work if you have a negative mean(y). x=y-mean(y) will increase the...

5 months ago | 0

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Balanced number

Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

6 months ago

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Bullseye Matrix

Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

6 months ago

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Sort a list of complex numbers based on far they are from the origin.

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

6 months ago

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Replace NaNs with the number that appears to its left in the row.

Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

6 months ago

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Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

6 months ago

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Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

6 months ago

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Return the largest number that is adjacent to a zero

This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

6 months ago

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Most nonzero elements in row

Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

6 months ago

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Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

6 months ago

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Find the numeric mean of the prime numbers in a matrix.

There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

6 months ago

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Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

6 months ago

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Determine whether a vector is monotonically increasing

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

6 months ago

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Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

6 months ago

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Remove any row in which a NaN appears

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

6 months ago

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Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

6 months ago