Answered

how to convert an image into bits???

reshape() to reconstruct the image. The remote side will need to know the image size, so either the size will need to be fixed o...

how to convert an image into bits???

reshape() to reconstruct the image. The remote side will need to know the image size, so either the size will need to be fixed o...

5 days ago | 0

Answered

I dont understand, i try to use solve to find x in Matlab Function Block

@Benjamin has shown you how to solve the equation using syms However, syms requires the MATLAB Interpreter, and so is only ava...

I dont understand, i try to use solve to find x in Matlab Function Block

@Benjamin has shown you how to solve the equation using syms However, syms requires the MATLAB Interpreter, and so is only ava...

6 days ago | 0

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Answered

Symbols to numeric values

I already showed you X = double(sol.X) Y = double(sol.Y) Z = double(sol.Z) ... about 11 hours ago. To get that format of di...

Symbols to numeric values

I already showed you X = double(sol.X) Y = double(sol.Y) Z = double(sol.Z) ... about 11 hours ago. To get that format of di...

6 days ago | 1

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Answered

Unique workspace for each instance of Interpreted MATLAB Function block?

https://www.mathworks.com/help/simulink/ug/model-global-data-using-data-stores.html "In this example, the top model uses a sig...

Unique workspace for each instance of Interpreted MATLAB Function block?

https://www.mathworks.com/help/simulink/ug/model-global-data-using-data-stores.html "In this example, the top model uses a sig...

6 days ago | 0

Answered

Is it possible to process the sparse matrix faster with vectorization instead of for loop?

Point_Data = readmatrixread('E:\pointdata.txt'); % Point Data = xyz coordinate data of 3D points r = 4; mdl = KDTreeSearcher...

Is it possible to process the sparse matrix faster with vectorization instead of for loop?

Point_Data = readmatrixread('E:\pointdata.txt'); % Point Data = xyz coordinate data of 3D points r = 4; mdl = KDTreeSearcher...

6 days ago | 0

Answered

What can I use instead of 'lsqcurvefit'

lsqcurvefit()'s normal output is "local minima possible". The only time you do not get that message is if the fitting is being...

What can I use instead of 'lsqcurvefit'

lsqcurvefit()'s normal output is "local minima possible". The only time you do not get that message is if the fitting is being...

6 days ago | 0

Answered

How do I write a .LAS file from .mat data?

guid1 = uint32(0); %32 bit guid2 = uint16(0); %16 bit guid3 = uint16(0); %16 bit guid3 = blanks(8); %unsigned char 8 b...

How do I write a .LAS file from .mat data?

guid1 = uint32(0); %32 bit guid2 = uint16(0); %16 bit guid3 = uint16(0); %16 bit guid3 = blanks(8); %unsigned char 8 b...

6 days ago | 0

Answered

How to run the same code over and over with one different detail of an event changing each time (temperature the cooling water turns on).

You already have [t1,y1,te,ye,ie] = ode15s(@(t,y)fun(t,y(1),y(2),y(3),y(4),y(5),y(6),iflag), tspan, initial_conditions,options)...

How to run the same code over and over with one different detail of an event changing each time (temperature the cooling water turns on).

You already have [t1,y1,te,ye,ie] = ode15s(@(t,y)fun(t,y(1),y(2),y(3),y(4),y(5),y(6),iflag), tspan, initial_conditions,options)...

6 days ago | 0

Answered

Definite integration using int command

h = 5; a = 2; syms y x = 3.8; p = 2.*x.^2+2.*a.*y; q = x.^2+y.^2; r = x.^2+a.^2; f = (-1./sqrt(1-(p.^2./(4.*q.*r)))).*...

Definite integration using int command

h = 5; a = 2; syms y x = 3.8; p = 2.*x.^2+2.*a.*y; q = x.^2+y.^2; r = x.^2+a.^2; f = (-1./sqrt(1-(p.^2./(4.*q.*r)))).*...

6 days ago | 0

Answered

system command in parfor loop

parpool tic parfor i=1:nfiles cmd = sprintf('echo "%s" | multi.exe', str3{i,1}); [status,cmdout] = system(cmd, '-ech...

system command in parfor loop

parpool tic parfor i=1:nfiles cmd = sprintf('echo "%s" | multi.exe', str3{i,1}); [status,cmdout] = system(cmd, '-ech...

6 days ago | 0

Answered

Laplace transform not getting Value

syms x(t) Xs eqn = diff(x,t,2)+2*diff(x,t)+26*x(t) == 10*cos(t)*(heaviside(t-pi)); eqnLT = laplace(eqn) eqnLT = subs(eqnLT,l...

Laplace transform not getting Value

syms x(t) Xs eqn = diff(x,t,2)+2*diff(x,t)+26*x(t) == 10*cos(t)*(heaviside(t-pi)); eqnLT = laplace(eqn) eqnLT = subs(eqnLT,l...

7 days ago | 0

Answered

Error: Unrecognized function or variable 'getMatchedFilter'.

The input to getMatchedFilter must be a phased-encoded waveform object, but instead you are just passing in double precision arr...

Error: Unrecognized function or variable 'getMatchedFilter'.

The input to getMatchedFilter must be a phased-encoded waveform object, but instead you are just passing in double precision arr...

7 days ago | 0

Answered

Appending multiple Excel files using script

input_dir = '/MATLAB Drive/Project11/xin'; %directory excel files are stored in input_extension = '.xlsx'; %or .xls output_...

Appending multiple Excel files using script

input_dir = '/MATLAB Drive/Project11/xin'; %directory excel files are stored in input_extension = '.xlsx'; %or .xls output_...

7 days ago | 1

| accepted

Answered

Error: Insufficient number of outputs from right hand side of equal sign to satisfy assignment in ft_read_mri

ftver = tmp.Version; Somehowm, tmp is an empty struct or object (that does have a field or property named Version) . Rememb...

Error: Insufficient number of outputs from right hand side of equal sign to satisfy assignment in ft_read_mri

ftver = tmp.Version; Somehowm, tmp is an empty struct or object (that does have a field or property named Version) . Rememb...

7 days ago | 0

Answered

Why the audioread function is giving data samples in two coloum?

That indicates that the audio has two channels (stereo)

Why the audioread function is giving data samples in two coloum?

That indicates that the audio has two channels (stereo)

7 days ago | 0

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Answered

How to make the question reappear if someone mess up with the number ? eg. 0 to 4. And then someone type 5.

while true ques_1 = input('\nIn the last month, how often have you been upset because of something that happened unexpected...

How to make the question reappear if someone mess up with the number ? eg. 0 to 4. And then someone type 5.

while true ques_1 = input('\nIn the last month, how often have you been upset because of something that happened unexpected...

8 days ago | 0

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Answered

how to do pcolor plots from 3d data?

x=100; y=100; z=100; r = randi([1 5],x,y,z); cmap = [0 0 0; 1 0 0]; mask = double(r(:,:,60) == 1); imagesc(mask, 'AlphaDat...

how to do pcolor plots from 3d data?

x=100; y=100; z=100; r = randi([1 5],x,y,z); cmap = [0 0 0; 1 0 0]; mask = double(r(:,:,60) == 1); imagesc(mask, 'AlphaDat...

8 days ago | 0

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Answered

Discretize the 3-D surface into individual points in MATLAB

F = @(X, Y) sin(X).^2 - cos(3*Y).^2; %equation of the surface xvec = -1:0.1:1; yvec = -3.2:.1:3.2; [x, y] = meshgrid(xvec...

Discretize the 3-D surface into individual points in MATLAB

F = @(X, Y) sin(X).^2 - cos(3*Y).^2; %equation of the surface xvec = -1:0.1:1; yvec = -3.2:.1:3.2; [x, y] = meshgrid(xvec...

8 days ago | 0

Answered

imread, reshape and zeros function syntax problems

imread() returns the data type stored in the file. The most common data type stored in image files is uint8(), but there are oth...

imread, reshape and zeros function syntax problems

imread() returns the data type stored in the file. The most common data type stored in image files is uint8(), but there are oth...

8 days ago | 0

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Answered

circshift function working explanation needed

M = (10:10:40).' + (1:9) circshift(M, -1) You can see that this is the same as [M(2:end,:); M(1,:)] And more generally, circ...

circshift function working explanation needed

M = (10:10:40).' + (1:9) circshift(M, -1) You can see that this is the same as [M(2:end,:); M(1,:)] And more generally, circ...

8 days ago | 0

Answered

How to save image after encryption?

My suspicion would be that your original image is uint8 and that when you did the encryption, you did not make sure to create ui...

How to save image after encryption?

My suspicion would be that your original image is uint8 and that when you did the encryption, you did not make sure to create ui...

8 days ago | 0

Answered

Solving Equaiton with multplying power

syms A B C syms X Y Z integer eqn = (B*C^-1)^X * (B)^Y * (A*B^-3)^Z * (B^3*C^-1) == A^0*B^0*C^0 seqn = simplify(lhs(eqn)) == ...

Solving Equaiton with multplying power

syms A B C syms X Y Z integer eqn = (B*C^-1)^X * (B)^Y * (A*B^-3)^Z * (B^3*C^-1) == A^0*B^0*C^0 seqn = simplify(lhs(eqn)) == ...

8 days ago | 1

| accepted

Answered

Workspace Updates when script is complete?

Correct. Generally speaking, there would be too much overhead to continually update the workspace browser when you are not stop...

Workspace Updates when script is complete?

Correct. Generally speaking, there would be too much overhead to continually update the workspace browser when you are not stop...

8 days ago | 0

| accepted

Answered

Overlay gray ROI on an image

newI(row1 : row2, col1 : col2) = repmat(GrayRoi, [1 1 size(newI,3)]);

Overlay gray ROI on an image

newI(row1 : row2, col1 : col2) = repmat(GrayRoi, [1 1 size(newI,3)]);

8 days ago | 0

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Answered

read/write csv file

dlmwrite() offers the option -append . Note, however, that this is restricted to writing additional rows immediately after all ...

read/write csv file

dlmwrite() offers the option -append . Note, however, that this is restricted to writing additional rows immediately after all ...

8 days ago | 0

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Answered

call a variable in a timetable from a cell matrix

for 1 = 1:10 a(:,i) = Timetable.(VariableNamesMatrix{i}); end But you should consider just using a = table2array(Timetab...

call a variable in a timetable from a cell matrix

for 1 = 1:10 a(:,i) = Timetable.(VariableNamesMatrix{i}); end But you should consider just using a = table2array(Timetab...

9 days ago | 0

| accepted

Answered

python to Matlab udp communication

https://www.mathworks.com/matlabcentral/answers/319729-how-can-i-receive-udp-broadcast-data-in-matlab-using-instrument-control-t...

python to Matlab udp communication

https://www.mathworks.com/matlabcentral/answers/319729-how-can-i-receive-udp-broadcast-data-in-matlab-using-instrument-control-t...

9 days ago | 0

Answered

Issue with native2unicode and windows-1252 encoding

source = char(0:511) bytes = unicode2native(source, 'windows-1252') backport = char(bytes) whichdiffer = find(source(1:256) ~...

Issue with native2unicode and windows-1252 encoding

source = char(0:511) bytes = unicode2native(source, 'windows-1252') backport = char(bytes) whichdiffer = find(source(1:256) ~...

9 days ago | 0

Answered

Horizontal concatenate in UItable table

oldData(i)={horzcat(oldData{i,:})}; Let us look at what that is being asked to do for i == 1: oldData(1,:) = ...

Horizontal concatenate in UItable table

oldData(i)={horzcat(oldData{i,:})}; Let us look at what that is being asked to do for i == 1: oldData(1,:) = ...

10 days ago | 0

| accepted