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# Vishnu Vardhan

65 total contributions since 2019

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Solved

Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

11 months ago

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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...

11 months ago

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Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

11 months ago

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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, ...

11 months ago

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De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

11 months ago

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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...

11 months ago

Plotting inverse laplace w.r.t.
Hi Yash You can use ilaplace function to compute the inverse laplace of H as shown below. h=matlabFunction(ilaplace(H)); t=1...

11 months ago | 0

Compatibility of Apps made using app designer
Hi Sampath There is no problem in running the new app in previous versions but if you want to edit in the previous version the...

11 months ago | 0

How to remove the part of a signal less than xaxis =0 along with the peak
Hi Ashwini you can use find function available in MATLAB idx = find(x>=0); plot(x(idx) ,y(idx)) %where x and y are the axis...

11 months ago | 0

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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...

11 months ago

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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...

11 months ago

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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...

11 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 ...

11 months ago

how to display coefficient and offset on graph?
Hi Jaehwi You can use text function available in MATLAB by specifying the location of text wherever you want. txt = {'b=0.007'...

11 months ago | 0

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Remove all the words that end with "ain"
Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

11 months ago

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Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

12 months ago

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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...

12 months ago

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Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

12 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 ...

12 months ago

Non inverting Schmitt Trigger
Hi Rohan, I can suggest you a way to get code for Schmitt trigger. There is feature called Code generation in MATLAB , with thi...

12 months ago | 0

fscanf reads 0 from Arduino (connected to force/ pressure sensor) - despite non 0 values seen in Ardunio serial monitor
Hi Harriet, I think you haven't tried using the function readVoltage function available in MATLAB. Why don't you give it a try....

12 months ago | 0

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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...

12 months ago

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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 ...

12 months ago

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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, ....

12 months ago

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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...

12 months ago

i need matlab code for optimal fuzzy by using GA
Here's an example for getting started with the GA. My guess is that you're trying to find the optimal parameters for your FLC th...

12 months ago | 0

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Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

12 months ago

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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...

12 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...

12 months ago