Community Profile # Abhishek Gangwar

### MathWorks

Last seen: environ un an ago Active since 2020

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Image shows with imshowpair, but not with imshow
Your binary image should be 2 dimensional, if it is not convert the original image into gray cale and then create binary image, ...

environ un an ago | 0

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How to call python in matlab
Check if your python executable path is correct? Set the python environment with correct python executalbe first it will show ...

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What is the benefit of learning Matlab for Engineers?
Matlab provides you a huge number of toolboxes to plot graphs, visualize complex datasets. You can use matlab to perform complex...

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Which image is not like the others?
Compute difference of two images using "imabsdiff()" function, output of this function would be a matrix if both images are same...

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What does A=A((x:y,:) mean?
Okay, so first check that you had defined matrix 'A' in you code before trying to access it and use single paranthesis for index...

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Understanding the output returned by anonymous function
Yes, you are right, you are invoking the function 'f' correctly but the problem is function 'f' is returning only one output whi...

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generate random sample for linear regression
You can generate random values for x1, x2 using "randperm()" function and then find out corresponding 'y' values, x1 = randperm...

plus d'un an ago | 0

Disp() not showing the value of the variable
The reason is, one of your argument is a decimal number and the other one is a string, try to convert decimal number into string...

plus d'un an ago | 2

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Plot a figure with 2 x-axis and a single y-axis.
clc; clear; close all; x1 = 1:40; y1 = x1.^2; line(x1,y1,'Color','r') ax1 = gca; % current axes ax1.XColor = 'r'; ax1.YC...

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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...

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

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Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

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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...

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

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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, ....

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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

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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...

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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...

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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...

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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 ...

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

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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...

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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...

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Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: \$99,999.99. E...

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Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

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Summing Digits within Text
Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

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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...

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The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

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Encode Roman Numerals
Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representat...

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