Answered

we have license with toolbox in matlab 2015b.is it possible to use the 2015b toolbox in 2018a?

No. You can use an *older* software release with a newer license, but you can never use a newer software release with an olde...

we have license with toolbox in matlab 2015b.is it possible to use the 2015b toolbox in 2018a?

No. You can use an *older* software release with a newer license, but you can never use a newer software release with an olde...

15 hours ago | 0

Answered

Colormap for multline plot

line() colors are not affected by the colormap, ever. They are affected by the axes ColorOrder property. In the release you a...

Colormap for multline plot

line() colors are not affected by the colormap, ever. They are affected by the axes ColorOrder property. In the release you a...

15 hours ago | 0

Answered

Solving Matrix. Correct code provided. While Loop Error not ending correctly

No it should not be. Your while uses && between the parts. The && operator is only true if both sides are true. With your code a...

Solving Matrix. Correct code provided. While Loop Error not ending correctly

No it should not be. Your while uses && between the parts. The && operator is only true if both sides are true. With your code a...

15 hours ago | 1

| accepted

Answered

help, im getting the following error: error using zeros size input must be scalar

for i=1:1:b j=1:1:d; That code sets j to be a vector. Later you try to use j+1 as the first parameter to zeros(). You ...

help, im getting the following error: error using zeros size input must be scalar

for i=1:1:b j=1:1:d; That code sets j to be a vector. Later you try to use j+1 as the first parameter to zeros(). You ...

15 hours ago | 0

Answered

count function, whwn i enter numbers and its wrong the count isnt going read the commnets i made

Suppose Count has reached 3 and mod(a, 2)==0. The loop will continue. choice will be input. Count will be incremented to 4. 4 is...

count function, whwn i enter numbers and its wrong the count isnt going read the commnets i made

Suppose Count has reached 3 and mod(a, 2)==0. The loop will continue. choice will be input. Count will be incremented to 4. 4 is...

17 hours ago | 0

Answered

Error using trustnleqn (line 28)

Part of your expression is ((x(2)/1-x(2))^6)/((x(2)/1-x(2))^2)) The right hand side of that is (x(2)/1 - x(2))^2 which is (x(2...

Error using trustnleqn (line 28)

Part of your expression is ((x(2)/1-x(2))^6)/((x(2)/1-x(2))^2)) The right hand side of that is (x(2)/1 - x(2))^2 which is (x(2...

23 hours ago | 0

Answered

What is the best practice of conditional statements in solving a complicatedly branched system?

Another alternative is to discretize() based upon the pH, with edges at 3.8, 4.3, 4.57, 4.6, and so on. Then for each tempera...

What is the best practice of conditional statements in solving a complicatedly branched system?

Another alternative is to discretize() based upon the pH, with edges at 3.8, 4.3, 4.57, 4.6, and so on. Then for each tempera...

24 hours ago | 0

Answered

Error using @regress fuction

The @ operator can be used in four related syntaxes: @NAME : create handle to function indicated by the name @NAME1.NAME...

Error using @regress fuction

The @ operator can be used in four related syntaxes: @NAME : create handle to function indicated by the name @NAME1.NAME...

1 day ago | 0

Answered

Undefined unary operator '-' for input arguments of type 'function_handle'.

I predict that tau is a function handle and so -tau is trying to use the operator - on the function handle. You cannot do arithm...

Undefined unary operator '-' for input arguments of type 'function_handle'.

I predict that tau is a function handle and so -tau is trying to use the operator - on the function handle. You cannot do arithm...

1 day ago | 1

Answered

To RESHAPE the number of elements must not change.

vale is 1200 entries. You are trying to reshape it to be an array 1024 by 8. That cannot work.

To RESHAPE the number of elements must not change.

vale is 1200 entries. You are trying to reshape it to be an array 1024 by 8. That cannot work.

1 day ago | 1

Answered

row dimension of aeq is inconsistent with length of beq.

beq should be a vector that is the same length as the number of rows in Aeq. Your beq looks like an array the same size as Aeq. ...

row dimension of aeq is inconsistent with length of beq.

beq should be a vector that is the same length as the number of rows in Aeq. Your beq looks like an array the same size as Aeq. ...

1 day ago | 0

Answered

Getting an error Product of known dimensions, 9600, not divisible into total number of elements, 1200 while reshaping. How to solve this issue

You have 1200 elements in vale. nfft is the same. Navg is 8. You are trying to reshape the 1200 elements to be 1200 by 8 by what...

Getting an error Product of known dimensions, 9600, not divisible into total number of elements, 1200 while reshaping. How to solve this issue

You have 1200 elements in vale. nfft is the same. Navg is 8. You are trying to reshape the 1200 elements to be 1200 by 8 by what...

1 day ago | 0

Answered

help for creating a 2D lookup table .

My comment shows how inf can occur for non-infinite values even when examining data inside the region. However, *probably* wh...

help for creating a 2D lookup table .

My comment shows how inf can occur for non-infinite values even when examining data inside the region. However, *probably* wh...

1 day ago | 0

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Answered

could anyone help me to solve the issue in the following matrix

P = rand(3,1)*3+45; Q = (50 - P - 1).*rand(3,1) + 1; R = 50 - P - Q; A = [P, Q, R] ; Now circshift row 2 by 1 ri...

could anyone help me to solve the issue in the following matrix

P = rand(3,1)*3+45; Q = (50 - P - 1).*rand(3,1) + 1; R = 50 - P - Q; A = [P, Q, R] ; Now circshift row 2 by 1 ri...

1 day ago | 0

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Answered

How to replace the 5 in my vector with decreasing numbers like 5,4,3,2,1

x(3:4,3:5) = reshape(5:-1:0, 2, 3);

How to replace the 5 in my vector with decreasing numbers like 5,4,3,2,1

x(3:4,3:5) = reshape(5:-1:0, 2, 3);

1 day ago | 0

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Answered

Error using bar (line 159) X must be same length as Y. Error in Lab3_Q1234 (line 60) bar(x, y);

You preallocate y but not x. If you got the preallocation wrong then the two can end up different sizes. And you *did* get the p...

Error using bar (line 159) X must be same length as Y. Error in Lab3_Q1234 (line 60) bar(x, y);

You preallocate y but not x. If you got the preallocation wrong then the two can end up different sizes. And you *did* get the p...

1 day ago | 0

Answered

keep getting errors on matlab

You need to rewrite a fair bit. In MATLAB, you cannot create an implicit summation with code along the line of for i = 1 : 5 ...

keep getting errors on matlab

You need to rewrite a fair bit. In MATLAB, you cannot create an implicit summation with code along the line of for i = 1 : 5 ...

2 days ago | 0

Answered

Error using pdbread (line 78)

kovetz = pdbread(fullfile(choseD,choseK));

Error using pdbread (line 78)

kovetz = pdbread(fullfile(choseD,choseK));

2 days ago | 0

| accepted

Answered

Can you edit a pcolor plot after generating one?

conv2() your 2d matrix with ones(2,2)/4 and use the option 'valid' on the call. Now access the center element of that matrix and...

Can you edit a pcolor plot after generating one?

conv2() your 2d matrix with ones(2,2)/4 and use the option 'valid' on the call. Now access the center element of that matrix and...

2 days ago | 0

| accepted

Answered

how to set colormap jet as a hard default in matlab (should stay for all figures even after restarting)

That is not possible in MATLAB. You could potentially set up a default colormap for the current session, and you could put instr...

how to set colormap jet as a hard default in matlab (should stay for all figures even after restarting)

That is not possible in MATLAB. You could potentially set up a default colormap for the current session, and you could put instr...

2 days ago | 1

Answered

My program isn't plotting anything

All of your x are the same, and all of your y are the same. You are drawing a line from a point to itself over and over again. T...

My program isn't plotting anything

All of your x are the same, and all of your y are the same. You are drawing a line from a point to itself over and over again. T...

3 days ago | 0

Answered

Genetic algorithm plot diagram display

The *variable* that you create that has the same name as your *function*, is not used after it is assigned to, so the options yo...

Genetic algorithm plot diagram display

The *variable* that you create that has the same name as your *function*, is not used after it is assigned to, so the options yo...

3 days ago | 0

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Answered

How to Plot A 3D Ring of any given shape?

Create a reference set of vertices centered around 0, 0, and a description of faces joining them. I suggest using something comp...

How to Plot A 3D Ring of any given shape?

Create a reference set of vertices centered around 0, 0, and a description of faces joining them. I suggest using something comp...

3 days ago | 0

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Answered

How to make group of ones more systematic approach?

Before the loop, struct2cell(Ribboned_100) . Then look at the fieldnames() of Ribboned_100, and match those against the names fr...

How to make group of ones more systematic approach?

Before the loop, struct2cell(Ribboned_100) . Then look at the fieldnames() of Ribboned_100, and match those against the names fr...

3 days ago | 1

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Answered

Visualizing 3 dimensional array

Some of the basic ways to graph 4D data (3 independent variables plus one dependent variables) are: slice() isosurface() volu...

Visualizing 3 dimensional array

Some of the basic ways to graph 4D data (3 independent variables plus one dependent variables) are: slice() isosurface() volu...

3 days ago | 1

| accepted

Answered

How to color an image according to orientation of objects?

When you regionprops(), also ask for PixelIdxList . Now, create a matrix orient = zeros(size(BW)); And loop through the stru...

How to color an image according to orientation of objects?

When you regionprops(), also ask for PixelIdxList . Now, create a matrix orient = zeros(size(BW)); And loop through the stru...

3 days ago | 1

| accepted

Answered

Unable to find explicit solution

vpasolve(k==0, 0.5) The starting guess can be anything from about 1e-3 upwards. There are a minimum of 3 different roots of th...

Unable to find explicit solution

vpasolve(k==0, 0.5) The starting guess can be anything from about 1e-3 upwards. There are a minimum of 3 different roots of th...

3 days ago | 0

| accepted

Answered

Plotting piecewise, data from matrices/vectors

To go straight down, you need to duplicate the x coordinate with the two different y values. stairs() automatically does the co...

Plotting piecewise, data from matrices/vectors

To go straight down, you need to duplicate the x coordinate with the two different y values. stairs() automatically does the co...

3 days ago | 1

| accepted

Answered

strjoin, string, remove a single space, while combining variables.

Join one fewer item in Y, and strcat() or + it on to the end. If you absolutely must use only strjoin, then join one fewer item...

strjoin, string, remove a single space, while combining variables.

Join one fewer item in Y, and strcat() or + it on to the end. If you absolutely must use only strjoin, then join one fewer item...

3 days ago | 0

| accepted

Answered

How can i display image from array element of cell??

for k=1:numel(fileNm) This = fileNm{k} ; if isempty(This) ; continue ; end imshow(This) ; pause(3); ...

How can i display image from array element of cell??

for k=1:numel(fileNm) This = fileNm{k} ; if isempty(This) ; continue ; end imshow(This) ; pause(3); ...

4 days ago | 0

| accepted