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Last seen: plus de 3 ans il y a |  Actif depuis 2016

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Question


Adding RAM would it speed up the computations done by Matlab?
Hello, I would like to know if adding RAM would affect the speed at which the computations are performed by Matlab. worth notin...

plus de 4 ans il y a | 1 réponse | 0

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réponse

Question


Matrix interpolation in the direction of the third dimension
Hello! I would like to perform matrix (n x n) interpolation in the direction of the third dimension which is frequency (1 x N),...

presque 5 ans il y a | 1 réponse | 1

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Question


Question about STL file
Hello! I have an STL file which contains the facets and vertices. My concern is about the way the facets are saved because I h...

plus de 5 ans il y a | 1 réponse | 0

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réponse

Question


meshing problems: How to control the triangles size and how to get the edges properly
Hello! I would like to mesh a 3d model into Matlab using data from a STL file, and I am facing two troubles in doing so. 1/ I...

plus de 5 ans il y a | 1 réponse | 0

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A répondu
how to export the impedance matrix from Feko into Matlab
the process of exporting the impedance matrix from Feko into Matlab will be illustrated. To begin with, the antenna design is bu...

plus de 5 ans il y a | 2

A résolu


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

presque 6 ans il y a

A résolu


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...

presque 6 ans il y a

A résolu


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...

presque 6 ans il y a

A résolu


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

presque 6 ans il y a

A résolu


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...

presque 6 ans il y a

A résolu


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

presque 6 ans il y a

A résolu


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 ...

presque 6 ans il y a

A résolu


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...

presque 6 ans il y a

Question


Quadratic interpolation of an N dim array
Hello I would to know how I can perform a quadratic interpolation of an array using matlab ? it is worth mentioning that I am u...

presque 6 ans il y a | 2 réponses | 0

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réponses

A résolu


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 ...

environ 6 ans il y a

A résolu


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:...

environ 6 ans il y a

A résolu


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 ...

environ 6 ans il y a

A résolu


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...

environ 6 ans il y a

Question


matrix size and storage capability
Hello, I would like to perform some computations using MATLAB, these computations will consist in saving some large matrices at ...

environ 6 ans il y a | 1 réponse | 0

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Question


help on a histogram plot!
Hello! I have a matrix (5x5) which I would like to plot (in 3D) using the hist3, I would like the plot to be a (5x5) grid where...

environ 6 ans il y a | 1 réponse | 0

1

réponse

Question


plotting issue along the x-axis !
Hello ! I would like to plot two curves in the same figure, to make my issue more clear let consider the following example: ...

plus de 6 ans il y a | 1 réponse | 0

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réponse

Question


Question about extracting a structure field using eval
hi! I am extracting the fields of a structure using the following code names = fieldnames(BD); for ii = 1: len...

plus de 6 ans il y a | 1 réponse | 0

1

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Question


NaN entries problem !
Hello! I have 2 matrices which I would like to add them (simple addition +) but I get in the resulting matrix some NaN entries ,...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


error using interp1 !!
Hello! I wanted to interpolate the NaN values within a matrix , and it works perfectly but I wanted also to interpolate the Inf...

plus de 6 ans il y a | 1 réponse | 0

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Question


controlling the directory of the output file?!
Hello! I have three files, 'originFile' which contains file1 and file2 , I would like to know how can I force Matlab to save th...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

A répondu
how to export the impedance matrix from Feko into Matlab
Thank you very much for your answer! I just wanted to tell that the real part is ill conditioned that is why you get negative va...

plus de 6 ans il y a | 0

Question


Question about integration within matlab
I would like to know how far would be my code correct if I used the 'sum' function to compute a double integral or should I use...

plus de 6 ans il y a | 1 réponse | 0

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réponse

Question


eliminate the nullspace of a matrix
Hello, how can I eliminate the nullspace of a square matrix using Matlab? Thank you!

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


issue using the rref function ?!
Hello! I would like to use rref function in order to remove the linearly dependent elements from my matrix , but when using rre...

plus de 6 ans il y a | 1 réponse | 0

0

réponse

A répondu
save new field to a structure?!
I have been googling for almost one hour but no result, this is the code that I am using to save the new added field but I lose ...

presque 7 ans il y a | 0

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