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# Swatantra Mahato

### MathWorks

44 total contributions since 2019

I am Application Support Engineer at Mathworks.
Disclaimer: Any articles /ideas/opinions here are my own and in no way reflect that of Mathworks

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i have to draw an incircle in a triangle.
Hi Saurabh, Assuming you have calculated the incentre and inradius for the incircle, you can plot the incircle by using the p...

3 dagar ago | 1

How do I update a plot in a figure without closing the gui and without the plots stacking on top of each other?
Hi, I am assuming that you want to update the plot generated without closing the GUI and without a new plot being created. A n...

ungefär en månad ago | 0

Getting UTC time from Posix time - leap seconds
Hi, I am assuming you want to convert posixtime to UTC and take into account the leap seconds. This can be done using the "dat...

ungefär en månad ago | 1

Create a mosaic using average color of block given image
Hi, I am assuming you want to get the average of color of each block for each component separately. In your function "myfun" by...

ungefär en månad ago | 1

| accepted

showing "unable to resolve name yout.getElement"
Hi, The above error message "unable to resolve the name yout.getElement" is shown because the variable yout is not present in t...

ungefär en månad ago | 0

How to connect a line between two moving points?
Hi Pablo, Assuming you want to join the points representing the "crank" and the "slide", you can do this in a similar way how ...

ungefär en månad ago | 1

| accepted

How to compute a definite sum of a vector as an LP constrain
Hi Roeland, I am assuming you want w(t) = sum(x(1:t)) for all values of t from 1 to V. In order to do that you may wa...

Matlab won't solve system of equations
Hi, You may want to recheck the system of equations you want to solve as I can see inconsistencies in eq1-2 and eq3-4 eq1 ...

Minimization of a function using fmincon with no constraints vs. using fminbnd
Hi, Kindly refer to the limitations of the fmincon function below: https://www.mathworks.com/help/optim/ug/fmincon.html#bu...

Unable to write loops for self playing connect4 win conditions
Hi, Assuming you want your code to end execution once the win condition is reached, you can use the return function as follow...

Solved

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...

mer än ett år ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

mer än ett år ago

Solved

Vectorize the digits of an Integer
Create a vector of length N for an integer of N digits. x = 123045; x_vec = [1 2 3 0 4 5]; I happened upon a trick ...

mer än ett år ago

Solved

Create matrix of replicated elements
Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. Example: Input: ...

mer än ett år ago

Solved

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

mer än ett år ago

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

mer än ett år ago

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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

mer än ett år ago

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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

mer än ett år ago

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

mer än ett år ago

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

mer än ett år ago

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Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

mer än ett år ago

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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...

mer än ett år ago

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Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

mer än ett år ago

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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

mer än ett år 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...

mer än ett år ago

Solved

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

mer än ett år ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

mer än ett år ago

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

mer än ett år ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

mer än ett år ago

Solved

Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

mer än ett år ago