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dileesh pv


Last seen: 1 month ago

IIT Delhi

25 total contributions since 2013

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Question


Computing electrostatic force in pde toolbox
I want to compute the electrostatic force on a conductor after solving the Poisson equation in the domain. The code to solve the...

4 months ago | 0 answers | 0

0

answers

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

5 months ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

5 months ago

Solved


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...

5 months ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

5 months ago

Solved


Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

5 months 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 ...

5 months ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

5 months ago

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

5 months ago

Solved


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]; ...

5 months ago

Solved


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...

5 months ago

Solved


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

5 months 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...

5 months ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

5 months ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

5 months ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

5 months ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

5 months ago

Solved


First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

5 months ago

Answered
how can I see equation openly like (x+y)^2 = x^2+2xy+y^2
Try the command simplify; see a sample code below; syms x y simplify((1 - x^2)/(1 - x))

5 months ago | 0

Answered
Changing the Surface Color Using the "surf" Command
If you are looking for a single colored surface, use colormap to define the desired color; Please see below an example; [x,y,z...

5 months ago | 0

Answered
Identify surfaces of geometry that is imported as stl file to matlab
Please check the tool given in the below link. I think it has the provision to select the surfaces. STL tool - CAD STL

5 months ago | 0

Answered
Shifting the z-position of imagesc() when used along with surf
The solution has been shared in the fileexchange incase someone is interested. https://in.mathworks.com/matlabcentral/fileexcha...

5 months ago | 0

Submitted


surfImagesc
This function superimpose the 2d imagesc plot along with 3-D surf plot

5 months ago | 4 downloads |

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Question


Shifting the z-position of imagesc() when used along with surf
I want to create a surf plot along with an image on the same object as given below; figure(1) surf(x,y,z);hold on imagesc(x,y...

5 months ago | 2 answers | 0

2

answers

Question


defining geometry in pdetool
Can anyone suggest me how to generate a complex geometries other than those defined already in pdetool. I tried using pdepoly wi...

8 years ago | 1 answer | 0

1

answer