Answered

How to solve this system of ODEs

Look like system of equations It has many solutions. For example d=1:

How to solve this system of ODEs

Look like system of equations It has many solutions. For example d=1:

14 hours ago | 0

Answered

Making a contour plot with 1-D z values?

You dont so much points for meshgrid, just make FaceColor - interp F = scatteredInterpolant(Re,We,PS); PSg = F(Reg,Weg); h = ...

Making a contour plot with 1-D z values?

You dont so much points for meshgrid, just make FaceColor - interp F = scatteredInterpolant(Re,We,PS); PSg = F(Reg,Weg); h = ...

17 hours ago | 0

Answered

Plot temperature variations using colored contours similar to 'surf' option for 3D object.

Simple example for edges clc,clear x = [1 2 1]; y = [1 1 0]; c = rand(3,10); % 10 colors for each node ...

Plot temperature variations using colored contours similar to 'surf' option for 3D object.

Simple example for edges clc,clear x = [1 2 1]; y = [1 1 0]; c = rand(3,10); % 10 colors for each node ...

3 days ago | 0

Answered

How to write a legend in latex format

Concatenation? Npc=2; legend1 = ['\Sigma_{i=1}^{', num2str(Npc) ,'Npc} x^\prime_i']; legend(legend1,'Total L_w','Noise');

How to write a legend in latex format

Concatenation? Npc=2; legend1 = ['\Sigma_{i=1}^{', num2str(Npc) ,'Npc} x^\prime_i']; legend(legend1,'Total L_w','Noise');

3 days ago | 0

Answered

Increasing number of points in a plot without ruining the shape

Is it correct? (Not tested) x1red = linspace(xred(1),xblue(end),20); % more points for red curve % scaling red ...

Increasing number of points in a plot without ruining the shape

Is it correct? (Not tested) x1red = linspace(xred(1),xblue(end),20); % more points for red curve % scaling red ...

3 days ago | 0

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Answered

Extract values between successive start stop indexes from a signal

I think there are tricks with vectorizing but i like simple and clear solution even it's slower x0 % your data ...

Extract values between successive start stop indexes from a signal

I think there are tricks with vectorizing but i like simple and clear solution even it's slower x0 % your data ...

3 days ago | 0

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Answered

Fixing a plotting problem over a fixed axes

See attached file dy = max(spirals); indent = linspace(-255+dy, 255-dy,4); y=r*sin(t)+ indent(columns); FOr thicker line ...

Fixing a plotting problem over a fixed axes

See attached file dy = max(spirals); indent = linspace(-255+dy, 255-dy,4); y=r*sin(t)+ indent(columns); FOr thicker line ...

4 days ago | 1

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Answered

Surface plots inside loop

Just collected all data and used griddata()

Surface plots inside loop

Just collected all data and used griddata()

4 days ago | 0

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Answered

Draw partial spheroid include a spheroid

Use patch() to generate planes clc,clear R = 10; r = 3; t = linspace(0,pi/2,20); x = [r*cos(t) fliplr(R*cos(t))]; y = [r...

Draw partial spheroid include a spheroid

Use patch() to generate planes clc,clear R = 10; r = 3; t = linspace(0,pi/2,20); x = [r*cos(t) fliplr(R*cos(t))]; y = [r...

4 days ago | 0

Answered

smooth shading of patches in 3D - partially correct

Changed the script a bit clc,clear run data p = patch('Faces',F,'Vertices',V); set(p, 'FaceColor', [0.95 0.95 0.95]) gri...

smooth shading of patches in 3D - partially correct

Changed the script a bit clc,clear run data p = patch('Faces',F,'Vertices',V); set(p, 'FaceColor', [0.95 0.95 0.95]) gri...

4 days ago | 0

Answered

How do i find only the specific date of the maximum temperature?

max can also return index [M,I] = max(a); Read more in help: max suleiman abdullahi, I want you to accept my answer.

How do i find only the specific date of the maximum temperature?

max can also return index [M,I] = max(a); Read more in help: max suleiman abdullahi, I want you to accept my answer.

5 days ago | 0

Answered

Selecting a point on a scatter plot, saving index of point

You can use pdist2() and min() functions to select closest to your data points clc,clear x = linspace(0,10,20)'; y = sin(x)...

Selecting a point on a scatter plot, saving index of point

You can use pdist2() and min() functions to select closest to your data points clc,clear x = linspace(0,10,20)'; y = sin(x)...

6 days ago | 1

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Answered

Find mean of rows containing decimal numbers in between integers in a column

Use ismembertol() or ismember() (round values to some tolerance if needed) to find indices of integer values Use loop to find m...

Find mean of rows containing decimal numbers in between integers in a column

Use ismembertol() or ismember() (round values to some tolerance if needed) to find indices of integer values Use loop to find m...

6 days ago | 0

Answered

Unable to link x-axis in subplot

Example clc,clear x = linspace(0,10); y1 = sin(x)./x; y2 = sin(x)/2; ax(1) = subplot(2,1,1); plot(x,y1) ax(2) = subplot...

Unable to link x-axis in subplot

Example clc,clear x = linspace(0,10); y1 = sin(x)./x; y2 = sin(x)/2; ax(1) = subplot(2,1,1); plot(x,y1) ax(2) = subplot...

6 days ago | 0

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Answered

Generating binary numbers from signal

Just changed an example from link you gave clc,clear fnx = @(x,fn) sin(2*pi*fn*x).*exp(-fn*abs(x)); t = linspace(0,1.2,57...

Generating binary numbers from signal

Just changed an example from link you gave clc,clear fnx = @(x,fn) sin(2*pi*fn*x).*exp(-fn*abs(x)); t = linspace(0,1.2,57...

7 days ago | 0

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Answered

how to generate loop for given program

Then use for loop % a(1) = 2; % a(2) = 3; % a(3) = 4; % a(4) = 5; for i = 1:4 a(i) = i+1; end Simple

how to generate loop for given program

Then use for loop % a(1) = 2; % a(2) = 3; % a(3) = 4; % a(4) = 5; for i = 1:4 a(i) = i+1; end Simple

7 days ago | 0

Answered

Issues with the for loop

This should work new_daily_2006 = ids_2006*0; for i = 1:size(ids_2006,1) %* size od ids_2006 is 212*119*177 % i,j,tt ...

Issues with the for loop

This should work new_daily_2006 = ids_2006*0; for i = 1:size(ids_2006,1) %* size od ids_2006 is 212*119*177 % i,j,tt ...

8 days ago | 0

Answered

How can I make my code run faster?

Shorter version of Laplacian_2D function. Is there any connection to gradient and laplacian built-n functions? un = circshift(u...

How can I make my code run faster?

Shorter version of Laplacian_2D function. Is there any connection to gradient and laplacian built-n functions? un = circshift(u...

8 days ago | 0

Answered

How do you define boundary conditions for ode45 or bvp4c?

In function res: % ya(1) - y at a % ya(2) - dy/dt at a % yb(1) - y at b % yb(2) - dy/dt at b a and b you define in main s...

How do you define boundary conditions for ode45 or bvp4c?

In function res: % ya(1) - y at a % ya(2) - dy/dt at a % yb(1) - y at b % yb(2) - dy/dt at b a and b you define in main s...

8 days ago | 0

Answered

How to adjust my video to only save 30 fps while in my for loop that goes upto 20000 iterations?

If you want 20 sec video with 30 fps you just need to write 600 frames For dt=0.001 it is 10000 frames for 10 sec simulation so...

How to adjust my video to only save 30 fps while in my for loop that goes upto 20000 iterations?

If you want 20 sec video with 30 fps you just need to write 600 frames For dt=0.001 it is 10000 frames for 10 sec simulation so...

9 days ago | 0

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Answered

MATLAB Answers Wish-list #5 (and bug reports)

I want a button for spoiler Can't believe there is no such option on this forum

MATLAB Answers Wish-list #5 (and bug reports)

I want a button for spoiler Can't believe there is no such option on this forum

9 days ago | 0

Answered

Reflection of a fixed point on a 3D plain.

You have straight line ( vector), intersection point P, normal vector of a plane and you want to find vector Find cross produ...

Reflection of a fixed point on a 3D plain.

You have straight line ( vector), intersection point P, normal vector of a plane and you want to find vector Find cross produ...

13 days ago | 0

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Answered

Calculating arc length of piece wise cubic polynomial

I think the problem is in your arclength() function for t = ent:0.1:ext xd = 3*a*(t-ent)^2 + 2*b*(t-ent)+ c; ...

Calculating arc length of piece wise cubic polynomial

I think the problem is in your arclength() function for t = ent:0.1:ext xd = 3*a*(t-ent)^2 + 2*b*(t-ent)+ c; ...

13 days ago | 1

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Answered

How to add Hann 5 cycles to the sine wave plot?

One full cycle of sine is 2pi You should make your argument of sine: 0 .. 2pi*5

How to add Hann 5 cycles to the sine wave plot?

One full cycle of sine is 2pi You should make your argument of sine: 0 .. 2pi*5

14 days ago | 1

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Answered

How can we extract objects from a greyscale image?

What about bwareaopen() I = imread('example_filled2.jpg'); I1 = I < 40; I2 = bwareaopen(I1,3e3); imshow(I2) What i've got ...

How can we extract objects from a greyscale image?

What about bwareaopen() I = imread('example_filled2.jpg'); I1 = I < 40; I2 = bwareaopen(I1,3e3); imshow(I2) What i've got ...

15 days ago | 0

Answered

i want to find distances between coordinate points as i explained below?? any help??

With use of pdist2() A = [0 0]; B = [1 0]; C = [2 0]; [x,y] = meshgrid(0:2,1:2); % D G E H F I D_I = [x(:) y(:)]...

i want to find distances between coordinate points as i explained below?? any help??

With use of pdist2() A = [0 0]; B = [1 0]; C = [2 0]; [x,y] = meshgrid(0:2,1:2); % D G E H F I D_I = [x(:) y(:)]...

15 days ago | 0

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