Answered
Reading Excel data rea-ltime with changing data
Hi Leon! It appears that you must save the incoming real-time data value into the Excel sheet for MATLAB to be able to read tha...

6 years ago | 0

Answered
fscanf problem with reading data
Hi Ronald! Alternatively, consider using the commands ‘readtable’, ‘importdata’ or ‘textscan’ to get your file’s data into an...

6 years ago | 0

Answered
how to assign ID
Hi Karishma! It’s a bit unclear to me from the description how you’re getting this output. I’m assuming that you are facing an ...

6 years ago | 0

Answered
Creating an ascii map for each value of a table
Hi Elena! It’s unclear from the description of your question how you wish to map the values between the Excel document and the ...

6 years ago | 0

Answered
multiple x axis in 3d plot
Hi Ilias! Currently, MATLAB does not have a built-in command that can plot multiple X, Y or Z axes in a single 3D plot. MATLAB ...

6 years ago | 0

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Answered
Is there a way to reduce the blur in this image when I know approximately what it should be when de-blurred?
Hey Evan! Since your image is partially blurred, simply applying deconvblind may not fetch satisfactory results. Instead, 3 opt...

6 years ago | 0

Answered
how do I link Excel variable and numerical columns with with all images names ?
To begin with, read the data from the excel sheet into MATLAB using the command readtable. Update the path to the folder contain...

6 years ago | 0

Answered
How can I classify the tracked position of a blob in a sequence of logical images using MATLAB "Classification Learner"?
Hi Kam! The Classification Learner App on MATLAB is a tool to work with Supervised Learning problems, where the performance is ...

6 years ago | 0

Answered
scope waveform post-processing
Hey Roberto! I’m assuming that the oscilloscope data has been captured and saved appropriately into the variable w. You may us...

6 years ago | 1

Answered
How to remove noise from the noisy signal
Hi Rupa! To begin with, I’d prefer using the command readtable instead of xlsread, since the former is the recommended command ...

6 years ago | 0

Answered
How to automatically crop/trim specific region in several images automatically?
Hey Imran! A simple way to solve this problem is to first crop, binarize and clean the image of noise, followed by finding the ...

6 years ago | 0

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Answered
How can I plot a serie data using linspace?
Hi Jonathan! From your question, I understand that you want to plot the variables ‘a’ and ‘b’ against each other. Firstly, if ...

6 years ago | 0

Answered
How to calculate position and Dimensions of patterns(Square, Circle, Rectangle...) of the contours in an image?
Hey Imran! From the description, it appears that you wanted to isolate the figures (circles and squares) from the image and fin...

6 years ago | 0

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Answered
Reference to values in another table
Hi! From the description, it appears to me that you have two tables t1, t2, with the columns A,B and value, output respectively...

6 years ago | 0

Answered
For a binay image, how to plot a circle by using the centroid of the white pixel region for any given radius.
Hi! It appears to me that you want to calculate the centroid of the white spot in your image, and using this centroid value as ...

6 years ago | 0

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Answered
Nesting loops, inserting numbers into arrays.
Hey David! From your description, I understand that you want to remove the elements from the given matrix which occur more than...

6 years ago | 0

Answered
Difference in im2bw and imbinarize function while display the binary image
Hey Kavita! From your question, I understand that you are using the commands ‘im2bw’ and ‘imbinarize’ to threshold an RGB color...

6 years ago | 1

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Solved

Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

7 years ago

Solved

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

7 years ago

Solved

Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

7 years ago

Solved

Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

7 years ago

Solved

Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

7 years ago

Solved

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

7 years ago

Answered
"double" vs. "uint8" input using "imshow" function
Hi! To add to the thread, All images are stored and represented as a matrix (2-D or 3-D). the default setting for storing matri...

7 years ago | 1

Solved

It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

7 years ago

Solved

Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provi...

7 years ago

Solved

Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

7 years ago

Solved

Replace May with April
For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

7 years ago

Solved

Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

7 years ago

Solved

Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the <http://www.ma...

7 years ago