Answered

How can I animate this plot3?

geoplot3() returns a line object. You can pull the XData, YData, ZData coordinates out of the line object and delete the line ob...

How can I animate this plot3?

geoplot3() returns a line object. You can pull the XData, YData, ZData coordinates out of the line object and delete the line ob...

7 minutes ago | 0

Answered

Call mex function using system()?

In Linux, executables can have any valid file name. The file extension is not considered by the operating system when deciding h...

Call mex function using system()?

In Linux, executables can have any valid file name. The file extension is not considered by the operating system when deciding h...

12 minutes ago | 0

Answered

Using the Cancel button in uiprogressdlg to immediately stop execution

https://www.mathworks.com/matlabcentral/answers/496530-using-timer-how-can-i-cleanly-exit-a-function-execution-when-the-timer-fi...

Using the Cancel button in uiprogressdlg to immediately stop execution

https://www.mathworks.com/matlabcentral/answers/496530-using-timer-how-can-i-cleanly-exit-a-function-execution-when-the-timer-fi...

35 minutes ago | 0

Answered

Creating regenerative random numbers

rng(655321) %or use any other positive integer constant

Creating regenerative random numbers

rng(655321) %or use any other positive integer constant

1 hour ago | 0

Answered

valid indices for 'output' are restricted in parfor loop

for j= 1:100 SNR = list(j); base = (j-1)*1000; parfor i = 1:1000 totallist(base+i,1) = SNR; ou...

valid indices for 'output' are restricted in parfor loop

for j= 1:100 SNR = list(j); base = (j-1)*1000; parfor i = 1:1000 totallist(base+i,1) = SNR; ou...

1 hour ago | 1

| accepted

Answered

How to get matlab to read the code

Your code has load(strcat('C:\Users\User\Dropbox\My PC (LAPTOP-8G4JCC0U)\Documents\onscale',num2str(i),'\2d_simple_array.ma...

How to get matlab to read the code

Your code has load(strcat('C:\Users\User\Dropbox\My PC (LAPTOP-8G4JCC0U)\Documents\onscale',num2str(i),'\2d_simple_array.ma...

3 hours ago | 0

Answered

How can I create a matlab matrix below?

N = 6; diag(-2*ones(1,N)) + diag(ones(1,N-1),-1) + diag(ones(1,N-1),1)

How can I create a matlab matrix below?

N = 6; diag(-2*ones(1,N)) + diag(ones(1,N-1),-1) + diag(ones(1,N-1),1)

3 hours ago | 0

Answered

How can i find unknown variable in matrix

syms D [2 1] syms AE sols = solve([0; -2] == AE * [0.405 0.096; 0.096 0.128] * D + [0; 0],D) simplify([sols.D1; sols.D2]) Th...

How can i find unknown variable in matrix

syms D [2 1] syms AE sols = solve([0; -2] == AE * [0.405 0.096; 0.096 0.128] * D + [0; 0],D) simplify([sols.D1; sols.D2]) Th...

3 hours ago | 0

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Answered

I need help figuring the code out.

You can use a Monte Carlo method: format long g R = randi([2 3]) xy = rand(10000,2) * exp(R); x = xy(:,1); y = xy(:,2); mas...

I need help figuring the code out.

You can use a Monte Carlo method: format long g R = randi([2 3]) xy = rand(10000,2) * exp(R); x = xy(:,1); y = xy(:,2); mas...

4 hours ago | 0

Answered

Using isnan to check if there is any NaNs in a window and setting all the values to NaN if there are any.

for i=1:11:T; for k=1:3; if any(isnan(y(i:i+11,k))) X(i:i+11,k) =NaN; end end end

Using isnan to check if there is any NaNs in a window and setting all the values to NaN if there are any.

for i=1:11:T; for k=1:3; if any(isnan(y(i:i+11,k))) X(i:i+11,k) =NaN; end end end

4 hours ago | 0

| accepted

Answered

run the script without opening the figure, its possible?

set(0, 'DefaultFigureVisible', 'off') before you run the code. This will last for the rest of your MATLAB session unless you r...

run the script without opening the figure, its possible?

set(0, 'DefaultFigureVisible', 'off') before you run the code. This will last for the rest of your MATLAB session unless you r...

7 hours ago | 1

Answered

How to define k in bcfun?

In bcfun, for ya, you sould calculate k based on the x that would be used for the first boundary condition, and for yb you shoul...

How to define k in bcfun?

In bcfun, for ya, you sould calculate k based on the x that would be used for the first boundary condition, and for yb you shoul...

7 hours ago | 0

Answered

How do I declare varibles whose outputs are expected from Matlab simply without so many rules, like for example in c++?

You are trying to construct a vector of function handles. You cannot do that in MATLAB. This is because in MATLAB, () indicates ...

How do I declare varibles whose outputs are expected from Matlab simply without so many rules, like for example in c++?

You are trying to construct a vector of function handles. You cannot do that in MATLAB. This is because in MATLAB, () indicates ...

11 hours ago | 0

Answered

How to convert dataset of .mat to .tif files?

You need to use the Tiff() class https://www.mathworks.com/help/matlab/ref/tiff.html Use SamplesPerPixel = 38, and use ExtraSa...

How to convert dataset of .mat to .tif files?

You need to use the Tiff() class https://www.mathworks.com/help/matlab/ref/tiff.html Use SamplesPerPixel = 38, and use ExtraSa...

20 hours ago | 0

Answered

Can we apply scatter3() on high dimension matrix?

Yes, but it can become quite difficult to understand. You can use scatter3(x, y, z, PointSize, Color) Here PointSize and Colo...

Can we apply scatter3() on high dimension matrix?

Yes, but it can become quite difficult to understand. You can use scatter3(x, y, z, PointSize, Color) Here PointSize and Colo...

20 hours ago | 0

Answered

Using Two Expressions together in factor()

syms x y f = arrayfun(@factor, [x^2-y^2,x^3+y^3], 'uniform', 0); vertcat(f{:})

Using Two Expressions together in factor()

syms x y f = arrayfun(@factor, [x^2-y^2,x^3+y^3], 'uniform', 0); vertcat(f{:})

20 hours ago | 0

| accepted

Answered

infinite Integration of hyperbolic function

y5=@(x)(4*hh.^2-4.*(x.^2)); y6=@(x)y4(x)./y5(x); You have a division by a constant minus 4*x^2 . But that can pass thr...

infinite Integration of hyperbolic function

y5=@(x)(4*hh.^2-4.*(x.^2)); y6=@(x)y4(x)./y5(x); You have a division by a constant minus 4*x^2 . But that can pass thr...

21 hours ago | 0

| accepted

Answered

How to find the unknown for singular matrix

nulls = null(A); candidates = nulls./nulls(:,1); The columns in candidates should start with 1 ... unless they start with NaN ...

How to find the unknown for singular matrix

nulls = null(A); candidates = nulls./nulls(:,1); The columns in candidates should start with 1 ... unless they start with NaN ...

21 hours ago | 1

| accepted

Answered

How to use "inspect" command in compiled code using MATLAB compiler?

inspect() is a development tool that I would not expect to be compilable . https://www.mathworks.com/products/compiler/supporte...

How to use "inspect" command in compiled code using MATLAB compiler?

inspect() is a development tool that I would not expect to be compilable . https://www.mathworks.com/products/compiler/supporte...

1 day ago | 0

Answered

Can I assign a variable to a number in a matrix from another matrix?

A = magic(7) E = eig(A) w1 = E(1,1) w2 = E(2,1) w3 = E(3,1) m1 = 3; m2 = 11; m3 = -7; output = [ m1*w1^2 ...

Can I assign a variable to a number in a matrix from another matrix?

A = magic(7) E = eig(A) w1 = E(1,1) w2 = E(2,1) w3 = E(3,1) m1 = 3; m2 = 11; m3 = -7; output = [ m1*w1^2 ...

1 day ago | 0

| accepted

Answered

how do I merge multiple matrices into one?

One approach N = 4; %50 in your original Rows = 2; %1111 in your original %generate some data for illustration M = ar...

how do I merge multiple matrices into one?

One approach N = 4; %50 in your original Rows = 2; %1111 in your original %generate some data for illustration M = ar...

1 day ago | 0

Answered

I'm trying to convert Matlab code to C++ or C, but it has some errors. Can someone help me with this?

My adjusted version of the code passes compilation, and produces graphs. However I can demonstrate that the algorithm is wrong. ...

I'm trying to convert Matlab code to C++ or C, but it has some errors. Can someone help me with this?

My adjusted version of the code passes compilation, and produces graphs. However I can demonstrate that the algorithm is wrong. ...

1 day ago | 0

Answered

I need help with running two for loops

you do not reset dif when you move on to the next j value so the while will end immediately.

I need help with running two for loops

you do not reset dif when you move on to the next j value so the while will end immediately.

2 days ago | 0

Answered

closed form solution in a system of equation

There are four families of solutions. [X1 == 1, X2 == (cos(Lz1*h*sin(RootOf(Lz1^2*cos(Z)^2*h^2+cos(Z)^2*Z^2*k1^2-Lz1^2*h^2))/c...

closed form solution in a system of equation

There are four families of solutions. [X1 == 1, X2 == (cos(Lz1*h*sin(RootOf(Lz1^2*cos(Z)^2*h^2+cos(Z)^2*Z^2*k1^2-Lz1^2*h^2))/c...

2 days ago | 0

Answered

How to import and read multiple .txt files where each .txt file contains multiple number of x,y,z values??

You can use https://www.mathworks.com/help/matlab/ref/matlab.io.datastore.tabulartextdatastore.html Or projectdir = 'name_of_...

How to import and read multiple .txt files where each .txt file contains multiple number of x,y,z values??

You can use https://www.mathworks.com/help/matlab/ref/matlab.io.datastore.tabulartextdatastore.html Or projectdir = 'name_of_...

2 days ago | 0

Answered

Error: Array indices must be positive integers or logical values.

Please read https://www.mathworks.com/matlabcentral/answers/395816-why-do-i-get-array-indices-must-be-positive-integers-or-logic...

Error: Array indices must be positive integers or logical values.

Please read https://www.mathworks.com/matlabcentral/answers/395816-why-do-i-get-array-indices-must-be-positive-integers-or-logic...

2 days ago | 0

Answered

Solving one equation with multiple variables

Substitute the first known time and known s(t) to get a linear equation. Do the same with the other two known values. You will e...

Solving one equation with multiple variables

Substitute the first known time and known s(t) to get a linear equation. Do the same with the other two known values. You will e...

2 days ago | 0

Answered

fminsearch with 3 variables

example f=@(v)v(1).*v(2)-sin(v(1)+v(2)) Instead of f=@(x,y)x.*y-sin(x+y)

fminsearch with 3 variables

example f=@(v)v(1).*v(2)-sin(v(1)+v(2)) Instead of f=@(x,y)x.*y-sin(x+y)

3 days ago | 0

| accepted

Answered

Array formation and parentheses-style indexing with objects of class 'matlab.io.datastore.ImageDatastore' is not allowed. Use objects of class 'matlab.io.datastore.ImageDatastore' only as scalars or use a cell array. Error in Untitled9 (line 30)

You are trying to index a datastore. Instead you need to create new datastore from indexing the file names. https://progi.pr...

Array formation and parentheses-style indexing with objects of class 'matlab.io.datastore.ImageDatastore' is not allowed. Use objects of class 'matlab.io.datastore.ImageDatastore' only as scalars or use a cell array. Error in Untitled9 (line 30)

You are trying to index a datastore. Instead you need to create new datastore from indexing the file names. https://progi.pr...

3 days ago | 0

| accepted