Suspensa Vix Via Fit

Answered

List comprehensions vs. functions

b = -30:30; b = b(b<-5|b>5); v = (-1).^b .* 0.2 .* (b+0.1) Python output: %[-5.98, 5.78, -5.58, 5.38, -5.18, 4.98, -4.78, 4....

List comprehensions vs. functions

b = -30:30; b = b(b<-5|b>5); v = (-1).^b .* 0.2 .* (b+0.1) Python output: %[-5.98, 5.78, -5.58, 5.38, -5.18, 4.98, -4.78, 4....

alrededor de 10 horas ago | 0

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Answered

"Local function name must be different from the script name" error

clear; % !!!!!!!!!! Delete this line !!!!!!!!! function [any, tri, sqr, rect] = main(number_of_sticks) % first line of the file...

"Local function name must be different from the script name" error

clear; % !!!!!!!!!! Delete this line !!!!!!!!! function [any, tri, sqr, rect] = main(number_of_sticks) % first line of the file...

alrededor de 11 horas ago | 0

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Answered

How I concatenate two vectors?

Square brackets are the concatenation operator: you already used them to concatenate lots of scalar numbers into two vectors, no...

How I concatenate two vectors?

Square brackets are the concatenation operator: you already used them to concatenate lots of scalar numbers into two vectors, no...

alrededor de 11 horas ago | 0

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Answered

Indexing arrays of varying dimensionality.

C = num2cell(calc_ind); X = arr(C{:}) https://www.mathworks.com/help/matlab/matlab_prog/comma-separated-lists.html https://ww...

Indexing arrays of varying dimensionality.

C = num2cell(calc_ind); X = arr(C{:}) https://www.mathworks.com/help/matlab/matlab_prog/comma-separated-lists.html https://ww...

alrededor de 11 horas ago | 0

Answered

How to create a structure of matrices within a loop

C = {'A','B','C'}; S = struct(); for k = 1:numel(C) S.(C{k}) = whatever end https://www.mathworks.com/help/matlab/matla...

How to create a structure of matrices within a loop

C = {'A','B','C'}; S = struct(); for k = 1:numel(C) S.(C{k}) = whatever end https://www.mathworks.com/help/matlab/matla...

alrededor de 14 horas ago | 0

Answered

How can I create a vector like this : X = [1, 2, 1, 2 ......

n = 9; v = 2-mod(1:n,2)

How can I create a vector like this : X = [1, 2, 1, 2 ......

n = 9; v = 2-mod(1:n,2)

alrededor de 20 horas ago | 2

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Answered

Arrange cell content in a specific order

One easy solution is to download my FEX submission natsortifles: https://www.mathworks.com/matlabcentral/fileexchange/47434-nat...

Arrange cell content in a specific order

One easy solution is to download my FEX submission natsortifles: https://www.mathworks.com/matlabcentral/fileexchange/47434-nat...

alrededor de 20 horas ago | 0

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Answered

matlab not recognizing variable defined in switch/case (Undefined function or variable)

The variable go_home is only defined in cases 14, 15, and 16. In all of the other cases it is undefined. You can probably resol...

matlab not recognizing variable defined in switch/case (Undefined function or variable)

The variable go_home is only defined in cases 14, 15, and 16. In all of the other cases it is undefined. You can probably resol...

2 días ago | 0

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Answered

How can I extract a slice from a multidimensional array?

The trick here is to define a cell array and then use a comma-separated list for the indices. For example: G = rand(7,6,5,4,3,2...

How can I extract a slice from a multidimensional array?

The trick here is to define a cell array and then use a comma-separated list for the indices. For example: G = rand(7,6,5,4,3,2...

4 días ago | 0

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Answered

Accessing data in nested structure arrays

a.b(1).c.d = [1,2,3]; a.b(2).c.d = [3,4,5]; a.b(3).c.d = [5,6,7]; Either V = arrayfun(@(s)s.c.d(1),a.b) Or tmp = [a.b.c]; ...

Accessing data in nested structure arrays

a.b(1).c.d = [1,2,3]; a.b(2).c.d = [3,4,5]; a.b(3).c.d = [5,6,7]; Either V = arrayfun(@(s)s.c.d(1),a.b) Or tmp = [a.b.c]; ...

4 días ago | 0

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Answered

Adding two matrixes with different row numbers.

A = [1,2,3,4,5,6,7,8,9,10; 10,11,12,13,14,15,16,17,18,19; 19,20,21,22,23,24,25,26,27,28]; B = [1,2,3,4,5,6,7,8,9,10; 2,4,6,8,10...

Adding two matrixes with different row numbers.

A = [1,2,3,4,5,6,7,8,9,10; 10,11,12,13,14,15,16,17,18,19; 19,20,21,22,23,24,25,26,27,28]; B = [1,2,3,4,5,6,7,8,9,10; 2,4,6,8,10...

5 días ago | 2

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Answered

Why am I getting this error when trying to show a cell of an array? "Brace indexing is not supported for variables of this type"

dat is numeric, so you need to use parentheses: hi = dat(5,3) I already explained this in more detail in my response to your c...

Why am I getting this error when trying to show a cell of an array? "Brace indexing is not supported for variables of this type"

dat is numeric, so you need to use parentheses: hi = dat(5,3) I already explained this in more detail in my response to your c...

5 días ago | 0

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Answered

How to make the last iteration of a for loop run differently?

It is simpler to just adjust the indices automatically, no IFs required: nmr = size(PT1,1) grp = 7200; nmg = ceil(nmr/grp); ...

How to make the last iteration of a for loop run differently?

It is simpler to just adjust the indices automatically, no IFs required: nmr = size(PT1,1) grp = 7200; nmg = ceil(nmr/grp); ...

5 días ago | 0

Answered

Getting Data from a struct-array with other structs in it, without a loop

Using arrayfun to iterate over the elements of non-scalar structure Post_Processing.RunData: fun = @(s) s.PowerAnalysis.ECP.PF;...

Getting Data from a struct-array with other structs in it, without a loop

Using arrayfun to iterate over the elements of non-scalar structure Post_Processing.RunData: fun = @(s) s.PowerAnalysis.ECP.PF;...

5 días ago | 0

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Answered

How do I remove all filenames from my cellarray with .m ending, if else how do I save those with .bmp?

Change the DIR call to specify the file extension: filer = dir(fullfile(katalog,'*.bmp')); This is more efficient than getting...

How do I remove all filenames from my cellarray with .m ending, if else how do I save those with .bmp?

Change the DIR call to specify the file extension: filer = dir(fullfile(katalog,'*.bmp')); This is more efficient than getting...

5 días ago | 0

Answered

how to form a new matrix (i.e. B) from two different matrices (i.e. a1, a2) knowing the indices of its origional matrix (indices of a)?

You can use those indices on the left-hand side. For example: a1 = [2,6,12]; x1 = [1,3,6]; a2 = [4,8,10,14]; x2 = [2,4,5,7];...

how to form a new matrix (i.e. B) from two different matrices (i.e. a1, a2) knowing the indices of its origional matrix (indices of a)?

You can use those indices on the left-hand side. For example: a1 = [2,6,12]; x1 = [1,3,6]; a2 = [4,8,10,14]; x2 = [2,4,5,7];...

6 días ago | 1

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Answered

Problem running an exe with path containing spaces, while saving command output

Specify double-quotes at each end of the path, e.g.: exe_path = '"C:\users\abc\test folder\test.exe"';

Problem running an exe with path containing spaces, while saving command output

Specify double-quotes at each end of the path, e.g.: exe_path = '"C:\users\abc\test folder\test.exe"';

6 días ago | 1

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Answered

Get English version of web Matlab support

As far as I am aware, there is no way to set this in the user account. The language/locale setting is stored in the cookies for...

Get English version of web Matlab support

As far as I am aware, there is no way to set this in the user account. The language/locale setting is stored in the cookies for...

7 días ago | 0

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Answered

Sort an Array with sortrows ( ) with two columns

There are probably nicer ways to do this, as this unfortunately changes the data itself. If required, you could use the index ou...

Sort an Array with sortrows ( ) with two columns

There are probably nicer ways to do this, as this unfortunately changes the data itself. If required, you could use the index ou...

7 días ago | 1

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Answered

How to save arrays from a loop with variable names using iterator and how to perform element-by-element operations on arrays and save

"How can I incorporate the iterator i into the variable name?" Don't do that. The simpler and much more efficient approach is t...

How to save arrays from a loop with variable names using iterator and how to perform element-by-element operations on arrays and save

"How can I incorporate the iterator i into the variable name?" Don't do that. The simpler and much more efficient approach is t...

7 días ago | 1

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Answered

matrix step shift in each row

A = [1,2,3,4,5]; B = toeplitz(A([1,end:-1:2]),A)

matrix step shift in each row

A = [1,2,3,4,5]; B = toeplitz(A([1,end:-1:2]),A)

7 días ago | 0

Answered

Producing a NaN only where there is a NaN, zero otherwise

X = [-inf, -1, -eps, 0, realmin, 2, 1+i, pi, flintmax, realmax, inf, NaN]; Y = 0./(X==X)

Producing a NaN only where there is a NaN, zero otherwise

X = [-inf, -1, -eps, 0, realmin, 2, 1+i, pi, flintmax, realmax, inf, NaN]; Y = 0./(X==X)

9 días ago | 3

Answered

Numerical error using the "diff" function

V = [0,0,0,0.2,0.4,0.6,0.7,0.85,1,1,1]; D = diff(V); X = find(ismembertol(D,max(D)))

Numerical error using the "diff" function

V = [0,0,0,0.2,0.4,0.6,0.7,0.85,1,1,1]; D = diff(V); X = find(ismembertol(D,max(D)))

9 días ago | 0

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Answered

Cell array indexing question

%% Part A S = load('QuizGrades.mat'); grades = S.grades student_Names = "Student"+(1:14) student_IDs = 101:114; %% Part...

Cell array indexing question

%% Part A S = load('QuizGrades.mat'); grades = S.grades student_Names = "Student"+(1:14) student_IDs = 101:114; %% Part...

9 días ago | 0

Answered

rearrange a matrix into a vector by blocks

M = [1,3,13,15,25,27;2,4,14,16,26,28;5,7,17,19,29,31;6,8,18,20,30,32;9,11,21,23,33,35;10,12,22,24,34,36] V = reshape(permute(re...

rearrange a matrix into a vector by blocks

M = [1,3,13,15,25,27;2,4,14,16,26,28;5,7,17,19,29,31;6,8,18,20,30,32;9,11,21,23,33,35;10,12,22,24,34,36] V = reshape(permute(re...

10 días ago | 0

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Answered

extract date from date time command in matlab

You don't need another command, you just need to change the format property: https://www.mathworks.com/help/matlab/ref/datetime...

extract date from date time command in matlab

You don't need another command, you just need to change the format property: https://www.mathworks.com/help/matlab/ref/datetime...

11 días ago | 0

Answered

Load different mat files using for loop

Assuming that each mat file contains exactly one variable of unknown name, then try this: D = 'D:\ABIDEdataset\Outputs\dparsf\n...

Load different mat files using for loop

Assuming that each mat file contains exactly one variable of unknown name, then try this: D = 'D:\ABIDEdataset\Outputs\dparsf\n...

11 días ago | 0

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Answered

cell indexing, extracting rectangular subset

The simplest (and usually quite efficient) approach is to use a comma-separated list to create one cell array: tmp = vertcat(to...

cell indexing, extracting rectangular subset

The simplest (and usually quite efficient) approach is to use a comma-separated list to create one cell array: tmp = vertcat(to...

12 días ago | 0

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Answered

Computation on arrays using loops

Y = [2.659717,2.656496,2.656496,2.656173,2.662294,2.661328,2.660039,2.620416,2.614295,2.606242,2.600765,2.600443,2.590779,2.5917...

Computation on arrays using loops

Y = [2.659717,2.656496,2.656496,2.656173,2.662294,2.661328,2.660039,2.620416,2.614295,2.606242,2.600765,2.600443,2.590779,2.5917...

12 días ago | 1

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Answered

How to load all the data in one folder

"I am wonder why it happened." Because you always load exactly the same file data (note the indexing you used): filename{1,1} ...

How to load all the data in one folder

"I am wonder why it happened." Because you always load exactly the same file data (note the indexing you used): filename{1,1} ...

12 días ago | 1