Answered

calculation norm divided by square root of data length

r = [-33.1869365513747 - 7.19942077700726i 9.95754431609273 - 9.07572996519880i 5.11935460162031 - 9.45713125754552i 17.24067494...

calculation norm divided by square root of data length

r = [-33.1869365513747 - 7.19942077700726i 9.95754431609273 - 9.07572996519880i 5.11935460162031 - 9.45713125754552i 17.24067494...

11 días ago | 0

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Answered

How to filter out the elevation higher than 0

I do not see, where your filter out elevations greator 0. It is faster to call interp2 with vectors as coordinates. So avoid ca...

How to filter out the elevation higher than 0

I do not see, where your filter out elevations greator 0. It is faster to call interp2 with vectors as coordinates. So avoid ca...

11 días ago | 0

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Answered

Alternatives for dir command

addpath \\winfs\data\prod\maprod\arkivering\TAF; Why do you append this folder to Matlab's path? Are the files stored in this f...

Alternatives for dir command

addpath \\winfs\data\prod\maprod\arkivering\TAF; Why do you append this folder to Matlab's path? Are the files stored in this f...

11 días ago | 0

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Answered

Multiplication between elements of two different cells

"first 36 row of F will be multiplied by the first row of T and next 36 row of F will be multiplied by second row of T and conti...

Multiplication between elements of two different cells

"first 36 row of F will be multiplied by the first row of T and next 36 row of F will be multiplied by second row of T and conti...

13 días ago | 0

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Answered

How to solve error "merge_sort: failed to get memory buffer"

This sounds like your memory is exhausted. Are you running out of RAM?

How to solve error "merge_sort: failed to get memory buffer"

This sounds like your memory is exhausted. Are you running out of RAM?

13 días ago | 0

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Answered

Dynamically change .txt file name in MATLAB, COMSOL simulation

fname = sprintf('Results_E_Field_Iter%d.csv', iter); file = fullfile('/Users/marissawhitby/Desktop/C:\Users\jmw\Desktop\Output...

Dynamically change .txt file name in MATLAB, COMSOL simulation

fname = sprintf('Results_E_Field_Iter%d.csv', iter); file = fullfile('/Users/marissawhitby/Desktop/C:\Users\jmw\Desktop\Output...

14 días ago | 1

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Answered

repeat vector elements and operate on them

Start with a simple loop: A = [12; 10; 5]; B = [4; 3; 2]; RepSum(A, B) function C = RepSum(A, B) len = sum(B); C = zer...

repeat vector elements and operate on them

Start with a simple loop: A = [12; 10; 5]; B = [4; 3; 2]; RepSum(A, B) function C = RepSum(A, B) len = sum(B); C = zer...

15 días ago | 2

Answered

Will this computer run Matlab?

Yes, of course. This is a powerful computer. It depends, on what you want to compute. If a model does not match into the RAM, m...

Will this computer run Matlab?

Yes, of course. This is a powerful computer. It depends, on what you want to compute. If a model does not match into the RAM, m...

15 días ago | 0

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Answered

Publishing an mfile including the calls to other m files.

Does this help: https://www.mathworks.com/matlabcentral/fileexchange/33476-publish-dependent-and-called-functions ?

Publishing an mfile including the calls to other m files.

Does this help: https://www.mathworks.com/matlabcentral/fileexchange/33476-publish-dependent-and-called-functions ?

15 días ago | 0

Answered

I can`t solwe gauss elimination method

I've simplified the code and converted it from Octave to Matlab: A = [ -3 6 -1 -2; -3 3 -3 1; -1.5 4.5 -2.5 -0.5; 0 1.5 -0.5 -3...

I can`t solwe gauss elimination method

I've simplified the code and converted it from Octave to Matlab: A = [ -3 6 -1 -2; -3 3 -3 1; -1.5 4.5 -2.5 -0.5; 0 1.5 -0.5 -3...

15 días ago | 0

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Answered

Arrays have incompatible sizes for this operation.

Use the debugger to identify the problem. Type this in the command window: dbstop if error and run the code again. When Matlab...

Arrays have incompatible sizes for this operation.

Use the debugger to identify the problem. Type this in the command window: dbstop if error and run the code again. When Matlab...

16 días ago | 0

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Answered

How its possible do define this function in Matlab?

Your funcion is almost correct. Just change && to & and consider the logical index time in the output. The problem in your case...

How its possible do define this function in Matlab?

Your funcion is almost correct. Just change && to & and consider the logical index time in the output. The problem in your case...

16 días ago | 1

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Answered

Automatically Run Script at End of Toolbox Installation

I include a function, which runs once the first time the toolbox is called instead. This is "after the installation", but not di...

Automatically Run Script at End of Toolbox Installation

I include a function, which runs once the first time the toolbox is called instead. This is "after the installation", but not di...

18 días ago | 1

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Answered

when i was plotting i reveived this error, please help me out....

For me it works: fun = @(x) exp(-x) - 3.*x.^2 + 26 fplot(fun,[0 5]) grid on So if this fails for you, you are running anothe...

when i was plotting i reveived this error, please help me out....

For me it works: fun = @(x) exp(-x) - 3.*x.^2 + 26 fplot(fun,[0 5]) grid on So if this fails for you, you are running anothe...

18 días ago | 1

Answered

How can I vectorize the nested loops in my code to improve performance?

The editor shows you 12 valuable hints already: Letting an array grow iteratively is very expensive. See this example: x = []; ...

How can I vectorize the nested loops in my code to improve performance?

The editor shows you 12 valuable hints already: Letting an array grow iteratively is very expensive. See this example: x = []; ...

19 días ago | 2

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Answered

how to solve this MATLAB solve error?

This looks suspicious: "datatype = integer[1]" ?! Maybe there is some preceeding code, which causes problems? At least the show...

how to solve this MATLAB solve error?

This looks suspicious: "datatype = integer[1]" ?! Maybe there is some preceeding code, which causes problems? At least the show...

20 días ago | 0

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Answered

How to get an array of all field elements of a 1xN structure with many fields

Fields = fieldnames(S); for ii= 1:numel(Fields); field = Fields{ii}; [S(:).(field)] end [...] is the horizontal con...

How to get an array of all field elements of a 1xN structure with many fields

Fields = fieldnames(S); for ii= 1:numel(Fields); field = Fields{ii}; [S(:).(field)] end [...] is the horizontal con...

20 días ago | 1

Answered

Time-varying coefficient in ODE.

Which ODE solver do you use? Remember that Matlab's builtin ODE solvers like ODE45 ar designed for smooth functions only. A para...

Time-varying coefficient in ODE.

Which ODE solver do you use? Remember that Matlab's builtin ODE solvers like ODE45 ar designed for smooth functions only. A para...

20 días ago | 0

Answered

Extracting data from a figure

The error message looks like you are opening a .fig file but you do not have the required SizeChangeFcn. Then you can redefine t...

Extracting data from a figure

The error message looks like you are opening a .fig file but you do not have the required SizeChangeFcn. Then you can redefine t...

21 días ago | 0

Answered

Error using fzero (line 184) FUN must be a function, a valid character vector expression, or an inline function object. What is the issue here?

v is the variable of the function. You do not have to deine it as a vector. fzero expects a function handle, but f(vi) is a num...

Error using fzero (line 184) FUN must be a function, a valid character vector expression, or an inline function object. What is the issue here?

v is the variable of the function. You do not have to deine it as a vector. fzero expects a function handle, but f(vi) is a num...

21 días ago | 0

Answered

A Matlab Code is "Attempt to execute SCRIPT ballTrajectoryFun as a function:"

The file ballTrajectoryFun.m is a script, not a function. Functions start with the keyword "function". If they are called from O...

A Matlab Code is "Attempt to execute SCRIPT ballTrajectoryFun as a function:"

The file ballTrajectoryFun.m is a script, not a function. Functions start with the keyword "function". If they are called from O...

21 días ago | 1

Answered

How do i add a for loop if command to a pre existing table

shop1 = [4,5,3,6,0,5,5,6,4,5]; shop2 = [5,3,1,1,3,5,3,6,3,3]; profit1 = 3 * shop1; profit2 = 4 * shop2; pool = {'Sh...

How do i add a for loop if command to a pre existing table

shop1 = [4,5,3,6,0,5,5,6,4,5]; shop2 = [5,3,1,1,3,5,3,6,3,3]; profit1 = 3 * shop1; profit2 = 4 * shop2; pool = {'Sh...

21 días ago | 0

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Answered

divide a vector into two vectors of unequal length

A = [1 2 3 4 5 6]; idx = ceil(numel(A) * 2 / 3); B = A(1:idx) C = A(idx + 1:end)

divide a vector into two vectors of unequal length

A = [1 2 3 4 5 6]; idx = ceil(numel(A) * 2 / 3); B = A(1:idx) C = A(idx + 1:end)

21 días ago | 2

| accepted

Answered

Error: array indices must be positive integers

You can use the debugger to find the cause of the problem. Let Matlab stop when the error occurs: dbstop if error Type this in...

Error: array indices must be positive integers

You can use the debugger to find the cause of the problem. Let Matlab stop when the error occurs: dbstop if error Type this in...

22 días ago | 0

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Answered

I need to make a function that solves the first derivative of a function using forward finite difference. I've tried creating the function but I encountered an error.

You provide the CHAR vector 'q3func' as input, but you want a handle to the function instead: fd = forwarddiff(@q3func, -2:2, 0...

I need to make a function that solves the first derivative of a function using forward finite difference. I've tried creating the function but I encountered an error.

You provide the CHAR vector 'q3func' as input, but you want a handle to the function instead: fd = forwarddiff(@q3func, -2:2, 0...

22 días ago | 0

| accepted

Answered

How to increase the performance of a cycle for in its use in large matrices?

Why do you calculate the mean of the complete BMEDIA matrix, if you use the output for the element (i,j) only? A = zeros(size(d...

How to increase the performance of a cycle for in its use in large matrices?

Why do you calculate the mean of the complete BMEDIA matrix, if you use the output for the element (i,j) only? A = zeros(size(d...

22 días ago | 1

| accepted

Answered

Help with Matlab function

This homework question contains useful instructions already: "Compute n+1 equidistant points xk , k=0,...,n, between a and b" ...

Help with Matlab function

This homework question contains useful instructions already: "Compute n+1 equidistant points xk , k=0,...,n, between a and b" ...

22 días ago | 0

| accepted

Answered

Facing problems while compiling several large Mex files

The problem is not the compiler, but hidden in the function mex_compiling in the line 9. It looks like tis function expects the ...

Facing problems while compiling several large Mex files

The problem is not the compiler, but hidden in the function mex_compiling in the line 9. It looks like tis function expects the ...

22 días ago | 0

Answered

how to store a double loop result into a matrix column by column?

You are using one counter k for the up and the down lists. cycle1 = [butterworth_filter1,butterworth_filter2]; [m, n] = size(c...

how to store a double loop result into a matrix column by column?

You are using one counter k for the up and the down lists. cycle1 = [butterworth_filter1,butterworth_filter2]; [m, n] = size(c...

23 días ago | 0