Pratik Patil
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Question
"This DAE appears to be of index greater than 1" error for PDE with pdepe
I have a problem in solving nonlinear parabolic pde of following form. (consider u_x as differentiation of u w.r.t. x) U(1)...
10 years ago | 0 answers | 0
0
answersSolved
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 ...
10 years 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...
10 years ago
Solved
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
10 years ago
Question
Matlab Codgen: Build error: 'lcclnk64' is not recognized as an internal or external command, operable program or batch file
Hi all, I wanted to convert my matlab script to standalone executable file. When I ran my file (Code_check.m) with 'codegen' ...
11 years ago | 0 answers | 0
0
answersSolved
The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...
13 years ago
Solved
Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...
13 years ago
Solved
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...
13 years ago
Solved
Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...
13 years ago
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...
13 years 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]; and ...
13 years ago
Solved
Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
13 years 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...
13 years 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:...
13 years ago
Question
How to solve coupled nonlinear 3-dimensional parabolic pde (x,y,t) in Matlab
Hi, I have a problem in solving nonlinear parabolic pde of following form. (consider u_x as differentiation of u w.r.t. x) ...
13 years ago | 0 answers | 0
0
answersQuestion
How to use vector input to solve pde in pdepe
Hi, I have been trying to solve following PDE (in general) with pdepe in MATLAB U(1)_t = a(x, U(1))U(2)_t + (U(1)_x*b(x,U(1)))...
13 years ago | 0 answers | 0
0
answersQuestion
Occurance of error "Undefined function 'mtimes' for input arguments of type 'cell' " in pdepe
Hi, I am trying to solve a partial differential equation which is elliptic - depending upon x and r. Its general structure is l...
13 years ago | 0 answers | 0
