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...

alrededor de 2 meses ago | 1 answer | 0

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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),...

7 meses ago | 1 answer | 1

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...

alrededor de 1 año ago | 1 answer | 0

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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...

alrededor de 1 año ago | 0 answers | 0

Answered

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...

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...

alrededor de 1 año ago | 2

Solved

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...

más de 1 año 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...

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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...

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Determine if input is odd

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

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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...

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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 ...

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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...

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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...

más de 1 año ago | 2 answers | 0

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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]; and ...

casi 2 años ago

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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:...

casi 2 años ago

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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 ...

casi 2 años ago

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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...

casi 2 años ago

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 ...

casi 2 años ago | 0 answers | 0

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...

casi 2 años ago | 1 answer | 0

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: ...

alrededor de 2 años ago | 1 answer | 0

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...

alrededor de 2 años ago | 1 answer | 0

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 ,...

alrededor de 2 años ago | 1 answer | 0

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...

alrededor de 2 años ago | 1 answer | 0

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...

alrededor de 2 años ago | 1 answer | 0

Answered

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...

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...

más de 2 años ago | 0

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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...

más de 2 años ago | 1 answer | 0

Question

eliminate the nullspace of a matrix

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

más de 2 años ago | 1 answer | 0

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...

más de 2 años ago | 0 answers | 0

Answered

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 ...

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 ...

más de 2 años ago | 0