Solved

Project Euler: Problem 1, Multiples of 3 and 5

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

1 year ago

Solved

Alphabetize by last name

Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

1 year ago

Solved

Read a column of numbers and interpolate missing data

Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

1 year ago

Answered

If statement with many logical or.

Write statement inside of the loop for a1 = 0.4 : 0.1 : 1 for b1 = 0.2 : 0.1 : 1 if (a1 == b1 && b1 > 1-a...

If statement with many logical or.

Write statement inside of the loop for a1 = 0.4 : 0.1 : 1 for b1 = 0.2 : 0.1 : 1 if (a1 == b1 && b1 > 1-a...

1 year ago | 1

Answered

Sorting content of table columns

I am giving an example to explain. clc clear load patients T = table(Gender,Age,Height,Weight,Smoker,Systolic,Dias...

Sorting content of table columns

I am giving an example to explain. clc clear load patients T = table(Gender,Age,Height,Weight,Smoker,Systolic,Dias...

1 year ago | 2

| accepted

Answered

how to read multiple mat files and and extract data from those

Whenever you wish to load all files, just use dir. F=dir('*.mat') for i =1:length(F) load(F(i).name) end

how to read multiple mat files and and extract data from those

Whenever you wish to load all files, just use dir. F=dir('*.mat') for i =1:length(F) load(F(i).name) end

1 year ago | 1

Answered

How can i plot graphs?

"How can i plot graphs?" Here is the sample program of plotting multiple lines in matlab. clc clear var1=rand(1...

How can i plot graphs?

"How can i plot graphs?" Here is the sample program of plotting multiple lines in matlab. clc clear var1=rand(1...

1 year ago | 1

| accepted

Answered

how can i read large data in loop

F=dir('*.edf') for i=1:length(F) [data1, header] = ReadEDF(F(i).name); %do you usual calculation ...

how can i read large data in loop

F=dir('*.edf') for i=1:length(F) [data1, header] = ReadEDF(F(i).name); %do you usual calculation ...

1 year ago | 1

| accepted

Solved

Sorting

Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

1 year ago

Question

Am I doing something wrong in cody submission?

I have solved couple of question on cody and cross checked my prog on matlab which showing exactly the same output which the que...

1 year ago | 1 answer | 1

Answered

How to save output into tiff?

Sample image is attached. file=imread('sample.png'); imwrite(file,'sample2.tiff','tiff');

How to save output into tiff?

Sample image is attached. file=imread('sample.png'); imwrite(file,'sample2.tiff','tiff');

1 year ago | 2

Answered

how to vectorize for loop in this section

Refer this simple example to get your problem resolved. A = [97 89 84; 95 82 92; 64 80 99;76 77 67;... 88 59 74; 78 66 ...

how to vectorize for loop in this section

Refer this simple example to get your problem resolved. A = [97 89 84; 95 82 92; 64 80 99;76 77 67;... 88 59 74; 78 66 ...

1 year ago | 1

Answered

Making a simple counter by code to be put in simulink

Refer to these links. This links will definitely going to help you. <http://ctms.engin.umich.edu/CTMS/index.php?aux=Basics_Si...

Making a simple counter by code to be put in simulink

Refer to these links. This links will definitely going to help you. <http://ctms.engin.umich.edu/CTMS/index.php?aux=Basics_Si...

1 year ago | 1

Answered

Add table to an image

Up to my knowledge, you can not add matlab table over an image. But you can use text command to do the same. Here is an example....

Add table to an image

Up to my knowledge, you can not add matlab table over an image. But you can use text command to do the same. Here is an example....

1 year ago | 1

Answered

how can I convert a geospacial sst map from 4km to 6 km or vice versa

clc clear lon=[65:.04:70]; lat=[0:0.04:5]; %on 4km resolution sst_4km=randi(27,126,126); lon1=[65:.06:70]; l...

how can I convert a geospacial sst map from 4km to 6 km or vice versa

clc clear lon=[65:.04:70]; lat=[0:0.04:5]; %on 4km resolution sst_4km=randi(27,126,126); lon1=[65:.06:70]; l...

1 year ago | 1

Answered

saving a matrix from a loop into a structure

I hope this simple example helps you to resolve your problem of saving a matrix in a structure from a loop. clc clear ...

saving a matrix from a loop into a structure

I hope this simple example helps you to resolve your problem of saving a matrix in a structure from a loop. clc clear ...

1 year ago | 1

Answered

Why doesn't my graph display a line?

Its because t and N have different dimension. Refer this problem. I have done little change to make it understandable. c...

Why doesn't my graph display a line?

Its because t and N have different dimension. Refer this problem. I have done little change to make it understandable. c...

1 year ago | 2

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Answered

Multiple x axis top and bottom and left and right y axis

You can use as many Y axis you want with the help of add axis function available on matlab file exchange. Get <https://in.mathwo...

Multiple x axis top and bottom and left and right y axis

You can use as many Y axis you want with the help of add axis function available on matlab file exchange. Get <https://in.mathwo...

1 year ago | 2

Answered

set color in contour plot with specified colormap

clc clear contourf(randi(6,5,5)) colormap(jet(5)) colorbar

set color in contour plot with specified colormap

clc clear contourf(randi(6,5,5)) colormap(jet(5)) colorbar

1 year ago | 2

Answered

Trying to do bisection, new to MATLAB

As your equation negative value at both ends. So bisection can not be possible for your equation. I am giving this example by ta...

Trying to do bisection, new to MATLAB

As your equation negative value at both ends. So bisection can not be possible for your equation. I am giving this example by ta...

1 year ago | 2

Answered

Is it possible to combine every value in the same table?

" I am trying to calculate the total amount of precipitation shown on the radar" Just load the pcp variable and sum up all elem...

Is it possible to combine every value in the same table?

" I am trying to calculate the total amount of precipitation shown on the radar" Just load the pcp variable and sum up all elem...

1 year ago | 2

| accepted

Answered

Impulse Response Convolution Plot

t=[-2*pi:2*pi] f=@(x) x.^3; h= 2*f(t)+ 2*f(t-pi) plot(t,h)

Impulse Response Convolution Plot

t=[-2*pi:2*pi] f=@(x) x.^3; h= 2*f(t)+ 2*f(t-pi) plot(t,h)

1 year ago | 2

| accepted

Answered

How can I combine 20 2D grayscale images (30*30 each) horizontally side by side from a 3D volumetric grayscale image (30*30*20)?

Use reshape command, A=rand(30,30,20); AA=reshape(A,30,[],1); All 20 images are settled side wise in AA

How can I combine 20 2D grayscale images (30*30 each) horizontally side by side from a 3D volumetric grayscale image (30*30*20)?

Use reshape command, A=rand(30,30,20); AA=reshape(A,30,[],1); All 20 images are settled side wise in AA

1 year ago | 2

| accepted

Answered

How to omit repeated element in matrix

Hope it helps. E=[1 2;1 5;2 3;2 4;2 5;3 4;4 5;4 7;4 9;5 6;6 11;6 12;6 13; 7 8;7 9;9 10;9 14;10 11;12 13;13 14] aa=unique...

How to omit repeated element in matrix

Hope it helps. E=[1 2;1 5;2 3;2 4;2 5;3 4;4 5;4 7;4 9;5 6;6 11;6 12;6 13; 7 8;7 9;9 10;9 14;10 11;12 13;13 14] aa=unique...

1 year ago | 1

Answered

Confusion matrix misclassification problem

To get rid of singeton matrix, use squeeze or purmute. A=randi(10,25,1,20); size(A) ans = 25 1 20 ...

Confusion matrix misclassification problem

To get rid of singeton matrix, use squeeze or purmute. A=randi(10,25,1,20); size(A) ans = 25 1 20 ...

1 year ago | 0

| accepted

Answered

How do I find the integral of the modulus of a transfer function over all frequencies?

Since you have not provided your equation, I am giving an random example, fun = @(x) exp(x.^2).*log(x).^2; q = integra...

How do I find the integral of the modulus of a transfer function over all frequencies?

Since you have not provided your equation, I am giving an random example, fun = @(x) exp(x.^2).*log(x).^2; q = integra...

1 year ago | 1

Answered

HOW Plot the Cubic Spline together with the data points (1; 0:5), (2; 1=3), (3; 0:25) and (4; 0:2)?

Since the data in your question is not so clear, I am taking an example to clear your doubts. x = [1:10]; y=randi(1...

HOW Plot the Cubic Spline together with the data points (1; 0:5), (2; 1=3), (3; 0:25) and (4; 0:2)?

Since the data in your question is not so clear, I am taking an example to clear your doubts. x = [1:10]; y=randi(1...

1 year ago | 1

Answered

How to solve second diffrential equation that look like this ?

Hi Nora Khaled, refer these links: <https://www.mathworks.com/help/symbolic/solve-a-single-differential-equation.html> <ht...

How to solve second diffrential equation that look like this ?

Hi Nora Khaled, refer these links: <https://www.mathworks.com/help/symbolic/solve-a-single-differential-equation.html> <ht...

1 year ago | 1

Answered

How can I get a noise free binary image? Specifically, what type of filters do I need to use to reduce noise?

I hope these links help you. <https://in.mathworks.com/matlabcentral/answers/56974-how-to-reduce-noise-in-image#answer_68932>...

How can I get a noise free binary image? Specifically, what type of filters do I need to use to reduce noise?

I hope these links help you. <https://in.mathworks.com/matlabcentral/answers/56974-how-to-reduce-noise-in-image#answer_68932>...

1 year ago | 1

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