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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年以上前 | 0

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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年以上前 | 0

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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 ...

7年弱前 | 0

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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 ...

7年弱前 | 0

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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 ...

7年弱前 | 0

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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...

7年弱前 | 0

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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...

7年弱前 | 0

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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 ...

7年弱前 | 0

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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...

7年弱前 | 1

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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 ...

7年弱前 | 0

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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 ...

7年弱前 | 0

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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 ...

7年弱前 | 0

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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...

7年弱前 | 0

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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...

7年弱前 | 0

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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 ...

7年弱前 | 0

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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...

7年弱前 | 0

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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...

7年弱前 | 1

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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 ...

約7年前

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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];

約7年前

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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

約7年前

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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

約7年前

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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...

約7年前

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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 ...

約7年前

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"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...

約7年前 | 1

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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...

約7年前

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

約7年前

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

約7年前

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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...

約7年前

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

約7年前

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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...

約7年前