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Radu Trimbitas


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"Babes-Bolyai" University

32 2011 이후 총 참여 횟수

Assoc. Professor
Professional Interests: Numerical Analysis, Statistics

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History.xml strange behavior
When MATlab detect an error, after the error message MATLAB display [1,2,3]*[2,1]' Error using * Incorrect dimensions for...

1일 전 | 답변 수: 0 | 0

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Unable to convert expression into double array.
It is not clear what do you want. Your expressions are entirely symbolic. If you want to give later values to x,y,z, phi, etc tr...

약 1달 전 | 0

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solving coupled differential system
Dear Saman, If set x=u(1), x'=u(2), y=u(3), y'=u(4) and M=[1,0,0,0; 0, m1,0,m2; 0,0,1,0; 0, m2,0,A], then the system becomes...

약 1달 전 | 0

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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...

2달 전

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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....

2달 전

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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...

2달 전

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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,...

2달 전

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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...

2달 전

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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 = ...

2달 전

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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]; ...

2달 전

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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]

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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...

2달 전

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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....

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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...

2달 전

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Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

2달 전

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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...

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

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Return area of square
Side of square=input=a Area=output=b

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

2달 전

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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 ...

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

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질문


functions of funtions symbolic
How could I define a functional (a function of functions), e.g in MATLAB Symbolic Math Toolbox. The function is an input par...

2달 전 | 답변 수: 1 | 0

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Conversion from MuPAD to MATLAB
Can anybody help me to convert the following MuPAD functions to MATLAB Symbolic Math? //Peano Th and kernel //pp - truncated...

2달 전 | 답변 수: 1 | 0

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Function of function in Symbolic Math Toolbox
How could I define a functional in Symbolic Math Toolbox , eg . I wish a generic definition that allows to choose several functi...

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normalizing a symbolic expression?
Is there any corresponden in Symbolic Math Toolbox for Maple or Mupad function normal ? (normalizing a rational expression, wri...

2달 전 | 답변 수: 1 | 0

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Customize export from live editor to LaTeX
How can I customize the export from MATLAB Live Editor to LaTeX? Is there a solution different from modification of matlab.sty f...

4달 전 | 답변 수: 1 | 0

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fplot add an undesired line
When I use fplot with LineWidth a dashed thick gray line appears on the right edge o the box. Example h=fplot(@(u) u.*exp(u),[-...

4달 전 | 답변 수: 1 | 0

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Using previous analysis result in PDE Toolbox
I have a system of two elliptic PDEs which must be solved for several values of some parameters. I order assure convergence, I t...

1년 이상 전 | 답변 수: 0 | 0

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How can I solve an equation using fixed point method?
If you wish to solve x=2^(-x) use successive approximation method. Provide a function, a starting value and a tolerance. funct...

4년 이하 전 | 0

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How to create 3D grid from data without interpolation?
interp2() has options for cubic or spline

4년 이하 전 | 0

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