Answered

How to make axis invisible? But not xlabel and ylabel!

The trick is to create handles to the labels and use these handles to re-set the color of the labels after the color of the axes...

How to make axis invisible? But not xlabel and ylabel!

The trick is to create handles to the labels and use these handles to re-set the color of the labels after the color of the axes...

6 years ago | 0

Answered

i want code to convert image to text

You can use deep learning networks from the neural networks toolbox: nnet = alexnet; % Load pretrain...

i want code to convert image to text

You can use deep learning networks from the neural networks toolbox: nnet = alexnet; % Load pretrain...

6 years ago | 0

Answered

interpolating Sample data to finer increment

Vq = interp2(X,Y',Weights, -17.5:0.5:17.5, (-15:0.25:15)');

interpolating Sample data to finer increment

Vq = interp2(X,Y',Weights, -17.5:0.5:17.5, (-15:0.25:15)');

6 years ago | 0

| accepted

Answered

How to set the y-axis values to be only integers?

plot(x) a = axis; axis([a(1) a(2) 0 4]); set(gca, 'YTick', 0:4)

How to set the y-axis values to be only integers?

plot(x) a = axis; axis([a(1) a(2) 0 4]); set(gca, 'YTick', 0:4)

6 years ago | 2

| accepted

Answered

what is the difference between double and im2 double?

im2double converts to double and rescales the image to [0, 1].

what is the difference between double and im2 double?

im2double converts to double and rescales the image to [0, 1].

6 years ago | 1

| accepted

Answered

Finding out values for elements of an array from corresponding array elements?

You can represent your weights as a matrix using NaN for the diagonal elements that do not exist: Weights = [NaN, 0.79,0.31...

Finding out values for elements of an array from corresponding array elements?

You can represent your weights as a matrix using NaN for the diagonal elements that do not exist: Weights = [NaN, 0.79,0.31...

6 years ago | 0

| accepted

Answered

Question about plotting/vectors

When x is a vector you have to use element-wise multiplication and division sigmax=(F/(pi*R))-((4*F*R.*x.^2)./(pi.*K)).*C

Question about plotting/vectors

When x is a vector you have to use element-wise multiplication and division sigmax=(F/(pi*R))-((4*F*R.*x.^2)./(pi.*K)).*C

6 years ago | 1

| accepted

Solved

Sum all integers from 1 to 2^n

Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

6 years ago

Answered

Resacaling an array to align and plot beside another

x = 1:600; A = rand(1, 600); y = 1:2:600; B = rand(1, 300); plot(x, A, y, B)

Resacaling an array to align and plot beside another

x = 1:600; A = rand(1, 600); y = 1:2:600; B = rand(1, 300); plot(x, A, y, B)

6 years ago | 0

Answered

how to use LUT form configuring matrix

Use your matrix as index to LUT: Mnew = LUT(M);

how to use LUT form configuring matrix

Use your matrix as index to LUT: Mnew = LUT(M);

7 years ago | 0

Answered

need to gray-rgb transforming

The idea is to convert a color map to an RGB image stripe of size 1 x N, where N is the number of entries in the colormap, and t...

need to gray-rgb transforming

The idea is to convert a color map to an RGB image stripe of size 1 x N, where N is the number of entries in the colormap, and t...

7 years ago | 0

Answered

How can I extract all matrix element neighbors ?

You have to ensure that the indices are always valid, i.e., between 1 and the maximum number of rows / columns. For example, wha...

How can I extract all matrix element neighbors ?

You have to ensure that the indices are always valid, i.e., between 1 and the maximum number of rows / columns. For example, wha...

7 years ago | 0

Answered

Citing MATLAB Optimization Toolbox (BibTex reference)

I would use something like this @misc(MatlabOTB, key = {MATLAB Optimization Toolbox}, title = {MATLAB Optimizatio...

Citing MATLAB Optimization Toolbox (BibTex reference)

I would use something like this @misc(MatlabOTB, key = {MATLAB Optimization Toolbox}, title = {MATLAB Optimizatio...

7 years ago | 4

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Answered

How can I repeatedly put a function result into itself, and get a matrix of the results?

N = 500; Y = zeros(1, N); % preallocate for speed Y(1) = myfun(1); for i = 2:N Y(i) = myfun(Y(i-1); end with my...

How can I repeatedly put a function result into itself, and get a matrix of the results?

N = 500; Y = zeros(1, N); % preallocate for speed Y(1) = myfun(1); for i = 2:N Y(i) = myfun(Y(i-1); end with my...

7 years ago | 0

Answered

How to add a string to a filename while saving plots

name = 'test'; Either newname = [name, '_angle']; or newname = strcat(name, '_angle'); or, as Stephen...

How to add a string to a filename while saving plots

name = 'test'; Either newname = [name, '_angle']; or newname = strcat(name, '_angle'); or, as Stephen...

7 years ago | 1

Answered

Matching x-axis when two plots's axes are multiple of each other

With the x value of the bar command you can plot the two graphs on top of each other, as you initially intended: x = (0:20:...

Matching x-axis when two plots's axes are multiple of each other

With the x value of the bar command you can plot the two graphs on top of each other, as you initially intended: x = (0:20:...

7 years ago | 0

Answered

How to get the index of maximum value in each row of a matrix?

[~, q] = max(A, [], 2) ; p = (1:size(A, 1))';

How to get the index of maximum value in each row of a matrix?

[~, q] = max(A, [], 2) ; p = (1:size(A, 1))';

7 years ago | 1

Answered

Search specific layer of multidimensional matrix for range of values?

idx2 = ismember(N(:,:,2), dx); idx3 = ismember(N(:,:,3), dx);

Search specific layer of multidimensional matrix for range of values?

idx2 = ismember(N(:,:,2), dx); idx3 = ismember(N(:,:,3), dx);

7 years ago | 0

| accepted

Answered

How do I change the orientation of a marker randomly?

You have to draw two crossing lines of a random angle. You cannot change the orientation of Matlab's markers. The following f...

How do I change the orientation of a marker randomly?

You have to draw two crossing lines of a random angle. You cannot change the orientation of Matlab's markers. The following f...

7 years ago | 0

Answered

Why does "find" command fail to find a number in this vector?

You can use find(round(100*v) == 24) The reason that the straight-forward approach does not work is the representation ...

Why does "find" command fail to find a number in this vector?

You can use find(round(100*v) == 24) The reason that the straight-forward approach does not work is the representation ...

7 years ago | 0

Answered

How can I change the radius of a circle pointeur

You have to define your own pointer as a 16 x 16 matrix and then change the line in myginput that changes the pointer to use you...

How can I change the radius of a circle pointeur

You have to define your own pointer as a 16 x 16 matrix and then change the line in myginput that changes the pointer to use you...

7 years ago | 0

Answered

How to group arrays in matrix

If the second row is the number of occurrences then you can use [a, ~, c] = unique(A); B = [a, accumarray(c, 1)];

How to group arrays in matrix

If the second row is the number of occurrences then you can use [a, ~, c] = unique(A); B = [a, accumarray(c, 1)];

7 years ago | 0

Answered

"Operands to the || and && operators must be convertible to logical scalar values" occurring with integer comparisons

Check before the while whos E_rec thr n_sv n_sv_max I am quite sure that not all variables have Size 1x1 and Class doub...

"Operands to the || and && operators must be convertible to logical scalar values" occurring with integer comparisons

Check before the while whos E_rec thr n_sv n_sv_max I am quite sure that not all variables have Size 1x1 and Class doub...

7 years ago | 0

Answered

how to save the output of For loop in a matrix form!

for i = 1:size(sample, 2) s = sample(:, i); % extract only the i'th column! % your code: anom = abs(s - mean...

how to save the output of For loop in a matrix form!

for i = 1:size(sample, 2) s = sample(:, i); % extract only the i'th column! % your code: anom = abs(s - mean...

7 years ago | 0

Answered

how can I make a plot between theretival and experimental value with the standard deviation?

h(1)= plot(1, 0.351, 'ko') hold on h(2) = errorbar(1, 0.641, -0.4, 0.4, 'Marker', 'x') axis([0.9 1.1 0 1.2]) set(g...

how can I make a plot between theretival and experimental value with the standard deviation?

h(1)= plot(1, 0.351, 'ko') hold on h(2) = errorbar(1, 0.641, -0.4, 0.4, 'Marker', 'x') axis([0.9 1.1 0 1.2]) set(g...

7 years ago | 0

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Answered

How to convert several 2d images into a single 3d image in matlab code?

To concatenate four 2D images of the same size along the 3rd dimension, use: I = cat(3, I1, I2, I2, I4);

How to convert several 2d images into a single 3d image in matlab code?

To concatenate four 2D images of the same size along the 3rd dimension, use: I = cat(3, I1, I2, I2, I4);

7 years ago | 0

| accepted

Answered

Plot normal distribution with unknown mean that is normally distributed with known parameters

2 + 8*randn(1, 100) + 4*randn(100,1); or in more detail n = 1; m = 100; % number of samples m1 = 2; s1 = 8; s2 = ...

Plot normal distribution with unknown mean that is normally distributed with known parameters

2 + 8*randn(1, 100) + 4*randn(100,1); or in more detail n = 1; m = 100; % number of samples m1 = 2; s1 = 8; s2 = ...

7 years ago | 0

| accepted