Answered

decimal to fraction conversion

format rational 74./ 144 or if you would like to have numbers format rational [num, dem] = rat(74./ 144); ...

decimal to fraction conversion

format rational 74./ 144 or if you would like to have numbers format rational [num, dem] = rat(74./ 144); ...

6 years ago | 2

Answered

Pause code until Excel file stored

This way might work. when you open and Excel file it generate a hidden file (i forget the file extend and I have not Excel right...

Pause code until Excel file stored

This way might work. when you open and Excel file it generate a hidden file (i forget the file extend and I have not Excel right...

6 years ago | 0

| accepted

Answered

How to split the cell data?

Put your data in a text file, let say FileName.txt, then: TXT = fileread('FileName.txt'); Split = strsplit(TXT, {'.' ' '...

How to split the cell data?

Put your data in a text file, let say FileName.txt, then: TXT = fileread('FileName.txt'); Split = strsplit(TXT, {'.' ' '...

6 years ago | 0

Answered

how could I use subplot function to squeeze 12 existing graphs into 2 pages of 2x3

h = 2.5:2:40.5; i=1; % ADD THIS LINE figure; % ADD THIS LINE for a = date1204:date...

how could I use subplot function to squeeze 12 existing graphs into 2 pages of 2x3

h = 2.5:2:40.5; i=1; % ADD THIS LINE figure; % ADD THIS LINE for a = date1204:date...

6 years ago | 1

| accepted

Answered

Up to what versions of MatLab can you still use textscan

http://www.mathworks.com/help/matlab/ref/textscan.html Matlab2016a accepts this code !

Up to what versions of MatLab can you still use textscan

http://www.mathworks.com/help/matlab/ref/textscan.html Matlab2016a accepts this code !

6 years ago | 0

| accepted

Answered

Sub-Function help!

Based on the question it seems "Scores" is a N*3 matrix (N shows number of students). You should write a function that outputs A...

Sub-Function help!

Based on the question it seems "Scores" is a N*3 matrix (N shows number of students). You should write a function that outputs A...

6 years ago | 0

Answered

how to compare two files line by line?

f = fopen('nv.txt'); fid = fopen('test.txt'); k = 0; while ~feof(fid) s1 = fgetl(fid); frewind(f) % start f...

how to compare two files line by line?

f = fopen('nv.txt'); fid = fopen('test.txt'); k = 0; while ~feof(fid) s1 = fgetl(fid); frewind(f) % start f...

6 years ago | 0

| accepted

Answered

Find the First element that satisfies a condition

If you dont mind a little coding: A = [7 3 9;5 8 8;0,2,6]; FirstCon = zeros(size(A,1),1); i=1; B = A'; % I am...

Find the First element that satisfies a condition

If you dont mind a little coding: A = [7 3 9;5 8 8;0,2,6]; FirstCon = zeros(size(A,1),1); i=1; B = A'; % I am...

6 years ago | 0

Answered

crop a region of interest on images and create new files only with this region

Im = imread('ngc6543a.jpg'); %load your image image(Im) x_start = 50; % start x x_end = 500; % end x y_start = 50...

crop a region of interest on images and create new files only with this region

Im = imread('ngc6543a.jpg'); %load your image image(Im) x_start = 50; % start x x_end = 500; % end x y_start = 50...

6 years ago | 0

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Answered

How do you clear the contents of a table?

It depends on the structure of your columns. The easiest way is to put NaN on the raw (if there is a numerical column), then yo...

How do you clear the contents of a table?

It depends on the structure of your columns. The easiest way is to put NaN on the raw (if there is a numerical column), then yo...

6 years ago | 0

Answered

Change number of xlabel ticks to show

I have not get the question completely, if you want to plot just some points, you can just compute those points! otherwise you c...

Change number of xlabel ticks to show

I have not get the question completely, if you want to plot just some points, you can just compute those points! otherwise you c...

6 years ago | 0

Answered

how to fixed specific results for times of implementation

Use rng(1,'twister') at top of your code. It controls random number generation functions and you will always see the sa...

how to fixed specific results for times of implementation

Use rng(1,'twister') at top of your code. It controls random number generation functions and you will always see the sa...

6 years ago | 0

Answered

How to plot phase graph from csv with real and imaginary values?

It depends on what would you like to plot. But first you must define them as complex number for Matlab: z = complex(real, i...

How to plot phase graph from csv with real and imaginary values?

It depends on what would you like to plot. But first you must define them as complex number for Matlab: z = complex(real, i...

7 years ago | 0

Answered

why showing assignment dimension mismatch?

this works correctly: data = rand(1,200); d=[5,8,2,9,4,1,8,0,3,8,1,4,9,4,9,25,3]; k=1; for z=1:1:d(k,2) ...

why showing assignment dimension mismatch?

this works correctly: data = rand(1,200); d=[5,8,2,9,4,1,8,0,3,8,1,4,9,4,9,25,3]; k=1; for z=1:1:d(k,2) ...

7 years ago | 0

Answered

Problem with using && operator in if conditional statement with array involved

You should use one "&" if you have logical vectors. % Correct a = [1,2]; b = [3,4]; if a==a & b==b c...

Problem with using && operator in if conditional statement with array involved

You should use one "&" if you have logical vectors. % Correct a = [1,2]; b = [3,4]; if a==a & b==b c...

7 years ago | 0

Answered

I have a grid of cells and I want to get the average value of cells in the 7th column.

mean(cell2mat(name_of_table(:,7)))

I have a grid of cells and I want to get the average value of cells in the 7th column.

mean(cell2mat(name_of_table(:,7)))

7 years ago | 0

Answered

How to eliminate value at each position required

for i=1:16; for j=1:16; for Tx=1:128; for Rx =1:128; if E{i,j}(Rx,Tx)==E{i,j}(31,119) ...

How to eliminate value at each position required

for i=1:16; for j=1:16; for Tx=1:128; for Rx =1:128; if E{i,j}(Rx,Tx)==E{i,j}(31,119) ...

7 years ago | 0

Answered

How many levels of the tree should I prune in my decision tree?

There is no certain number for that. One way is computing resubstitution error for different pruning level and find the place wh...

How many levels of the tree should I prune in my decision tree?

There is no certain number for that. One way is computing resubstitution error for different pruning level and find the place wh...

7 years ago | 1

Answered

Need help with this question I was asked to preform

We are not going to give you the answer, since this is a basic question which is trying to teach you not only how should you cod...

Need help with this question I was asked to preform

We are not going to give you the answer, since this is a basic question which is trying to teach you not only how should you cod...

7 years ago | 0

Answered

how to find the column number of first zero element of each row

This is your answer: a =[ -1 3 0 0 0 0 2 3 4 5 0 0 1 2 1 ...

how to find the column number of first zero element of each row

This is your answer: a =[ -1 3 0 0 0 0 2 3 4 5 0 0 1 2 1 ...

7 years ago | 2

| accepted

Answered

Nonlinear Regression w/ categorical predictors?

I am using Matlab R2014b and I have the same problem. It seems in Matlab R2015 this problem is solved since you can use not only...

Nonlinear Regression w/ categorical predictors?

I am using Matlab R2014b and I have the same problem. It seems in Matlab R2015 this problem is solved since you can use not only...

7 years ago | 0

Answered

how can i plot a periodic function such as sawtooth or gate function over a defined period

t = 10; % total simulation time T = 3; % period x = 0:0.1:t; % lets say your original function is y=2*x which repeate...

how can i plot a periodic function such as sawtooth or gate function over a defined period

t = 10; % total simulation time T = 3; % period x = 0:0.1:t; % lets say your original function is y=2*x which repeate...

7 years ago | 3

| accepted

Answered

size gives contradictory results

If you want the size of your vector you should use the following comment: size(centers) "size centers" shows the size of...

size gives contradictory results

If you want the size of your vector you should use the following comment: size(centers) "size centers" shows the size of...

7 years ago | 1

| accepted

Answered

When with rounding and precision

What you said is not true! for multiplication the exact number is : 0.998545000000000 p15 = 0.8683*1.15; r = round(p...

When with rounding and precision

What you said is not true! for multiplication the exact number is : 0.998545000000000 p15 = 0.8683*1.15; r = round(p...

7 years ago | 0

Answered

superscript/subscript in labels not working

x= 1:10; y=2*x; plot(x,y) ylabel('e^t') It works on Matlab R2014b, maybe the version that you are using does not s...

superscript/subscript in labels not working

x= 1:10; y=2*x; plot(x,y) ylabel('e^t') It works on Matlab R2014b, maybe the version that you are using does not s...

7 years ago | 4

| accepted

Answered

how can i calculate the sum of the following geometric series N= 1000 and r =0.99

N=0:1000; r = 0.99; E = r.^N; sum(E)

how can i calculate the sum of the following geometric series N= 1000 and r =0.99

N=0:1000; r = 0.99; E = r.^N; sum(E)

7 years ago | 0

| accepted

Answered

Too big classification tree

There are many ways to do that, e.g. compare the following tree1, tree2, and tree3. It depends on your problem in hand, which on...

Too big classification tree

There are many ways to do that, e.g. compare the following tree1, tree2, and tree3. It depends on your problem in hand, which on...

7 years ago | 0

| accepted

Answered

MATLAB displays a blank graph when I plot try to plot

It is not empty, it has the points. Do the following change: change the plot line to plot(di(ii),slope(ii),'o')

MATLAB displays a blank graph when I plot try to plot

It is not empty, it has the points. Do the following change: change the plot line to plot(di(ii),slope(ii),'o')

7 years ago | 0

| accepted

Answered

How do you plot values from a cell array?

plot(cell2mat(strain_xx)) <</matlabcentral/answers/uploaded_files/45718/untitled.jpg>>

How do you plot values from a cell array?

plot(cell2mat(strain_xx)) <</matlabcentral/answers/uploaded_files/45718/untitled.jpg>>

7 years ago | 1