Answered

convert min, hours to 00:00:00 format

Use datestr() to convert number to time x = 15; if x>=60 out = datestr(x/24/60,'HH:MM:SS') else out = datestr(x/24...

convert min, hours to 00:00:00 format

Use datestr() to convert number to time x = 15; if x>=60 out = datestr(x/24/60,'HH:MM:SS') else out = datestr(x/24...

22 days ago | 0

Answered

How to solve two differential equations using ode45

Are you sure, e1,e2,c1,c2 are time-variant and not constant ? If they are time-variant then there should be differential terms o...

How to solve two differential equations using ode45

Are you sure, e1,e2,c1,c2 are time-variant and not constant ? If they are time-variant then there should be differential terms o...

28 days ago | 0

| accepted

Answered

How do I plot every 10th row of data?

One way to do this efficiently would be to scan the data inside the file at once (instead of doing it one by one in a loop) : ...

How do I plot every 10th row of data?

One way to do this efficiently would be to scan the data inside the file at once (instead of doing it one by one in a loop) : ...

1 month ago | 0

| accepted

Answered

how do I insert a custom power curve?

Looks like a "1-D Lookup Table" block in simulink. For more details refer to following link : 1-D Lookup Table

how do I insert a custom power curve?

Looks like a "1-D Lookup Table" block in simulink. For more details refer to following link : 1-D Lookup Table

1 month ago | 2

| accepted

Answered

How can I fill an array with varying input dimensions and data type change?

Try this: last_digit_vec = mod(Generator,10); v = {}; for i = 1:length(Generator) v = [v,eval(['mod',num2str(last_digit_...

How can I fill an array with varying input dimensions and data type change?

Try this: last_digit_vec = mod(Generator,10); v = {}; for i = 1:length(Generator) v = [v,eval(['mod',num2str(last_digit_...

1 month ago | 1

| accepted

Answered

how to use the row&column indices returned by find to control array element in matrix way

One of the way could be to use absolute indexing of X matrix : ind = find(X==1); ex(ind)=ex(ind)+0.5*(data(ind)-data(ind-je));...

how to use the row&column indices returned by find to control array element in matrix way

One of the way could be to use absolute indexing of X matrix : ind = find(X==1); ex(ind)=ex(ind)+0.5*(data(ind)-data(ind-je));...

1 month ago | 0

| accepted

Answered

check inside cell condition

Try this: for i = 1:length(AppleDECB) if ~ischar(AppleDECB{i}) % check if cell doesn't contain char continue; ...

check inside cell condition

Try this: for i = 1:length(AppleDECB) if ~ischar(AppleDECB{i}) % check if cell doesn't contain char continue; ...

1 month ago | 0

| accepted

Answered

Average range when value is reached

I assumed that you have test_data in a mat file, for this answer I am assuming the data stored in the variable named 'TestData'....

Average range when value is reached

I assumed that you have test_data in a mat file, for this answer I am assuming the data stored in the variable named 'TestData'....

3 months ago | 1

Answered

why does sine curve not properly plotted in simulink

I reckon that you are using variable time step so when you increase your time, time step also increases. So, the curve is not as...

why does sine curve not properly plotted in simulink

I reckon that you are using variable time step so when you increase your time, time step also increases. So, the curve is not as...

3 months ago | 0

| accepted

Answered

Finding Values nearest a certain number

If I understand it clearly your P(and d) is a row/column vector of length 4650 and you need to find 11 points which are closest ...

Finding Values nearest a certain number

If I understand it clearly your P(and d) is a row/column vector of length 4650 and you need to find 11 points which are closest ...

3 months ago | 0

Answered

How to show the legends of this plot?

You can change the order of plots to assign the legend as required. So, if you want leg1 to show 1st line then you should plot i...

How to show the legends of this plot?

You can change the order of plots to assign the legend as required. So, if you want leg1 to show 1st line then you should plot i...

3 months ago | 0

Answered

making a title using editable strings without stacking

In the code you have shown the second to last line as title([get(handles.Title_Input, 'String') get(handles.Y_Label_Input, 'Str...

making a title using editable strings without stacking

In the code you have shown the second to last line as title([get(handles.Title_Input, 'String') get(handles.Y_Label_Input, 'Str...

3 months ago | 0

| accepted

Answered

Comparing arrays and calculating

Try this : for i = 1:length(A2) [Alh,im] = sort(A2); w1 = im(find(Alh>A1,1)); % The index for which the v...

Comparing arrays and calculating

Try this : for i = 1:length(A2) [Alh,im] = sort(A2); w1 = im(find(Alh>A1,1)); % The index for which the v...

4 months ago | 0

| accepted

Solved

04 - Scalar Equations 1

Define the variable a: <<http://samle.dk/STTBDP/Assignment1_4-a.png>> Use this to calculate x: <<http://samle.dk/STTBD...

4 months ago

Solved

Matlab Basics - y as a function of x

Write a function to calculate y as a function of x, such that y = 6x^2 + 5x - 2

4 months ago

Solved

Bottles of beer

Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

4 months ago

Solved

find radius of cone

if Slant height of Cone(I)& hight of Cone(H) given then find radius of the Cone(R) for example I=5,h=4 then the ans R=3;

4 months ago

Solved

Returning a "greater than" vector

Given a vector, v, return a new vector , vNew, containing only values > n. For example: v=[1 2 3 4 5 6] n=3 vNew =...

4 months ago

Solved

Arrange vector in ascending order

Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

4 months ago

Solved

06 - Matrix Equations 3

Define the matrices _aMat_, _bMat_, and _cMat_: <<http://samle.dk/STTBDP/Assignment1_3a.png>> ( _aMat_ = 9x9 matrix full o...

4 months ago

Solved

Permute diagonal and antidiagonal

Permute diagonal and antidiagonal For example [1 2 3;4 5 6;7 8 9] -> [3 2 1;4 5 6;9 8 7] WITHOUT diag function (and variable n...

4 months ago

Solved

N-Cards Problem

You have a deck of _N_ cards numbered in order from 1 to _N_. You discard the top card (card 1) and place the next card (card 2)...

4 months ago

Solved

Sophie Germain prime

In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

4 months ago

Solved

Weighted average

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

4 months ago

Question

Replace matched values with a cell array keeping unmatched values unchanged

I have a string let's say A = '[0, 40, 50, 60, 80, 100, 140, 160, 200, 300]'; and another char array,...

5 months ago | 1 answer | 0

Answered

How to fix the values of different histograms 2D to have the same color reference?

One way to do this is to use "colormapeditor". Type the following in command window : colormapeditor In the dialog box, you ca...

How to fix the values of different histograms 2D to have the same color reference?

One way to do this is to use "colormapeditor". Type the following in command window : colormapeditor In the dialog box, you ca...

8 months ago | 0

Answered

How to find NaN value then delete whole row using for loop

Instead of finding 0 column wise, you can find NaN using 'isnan' function. Try this : rind=find(isnan(:,col)); everything(rind...

How to find NaN value then delete whole row using for loop

Instead of finding 0 column wise, you can find NaN using 'isnan' function. Try this : rind=find(isnan(:,col)); everything(rind...

8 months ago | 1

Answered

Understanding indexing and the colon operator

When you use 'end' for indexing, it means that you want to use 'last' index of the array. So, for e.g. if A is a 3x4 matrix and ...

Understanding indexing and the colon operator

When you use 'end' for indexing, it means that you want to use 'last' index of the array. So, for e.g. if A is a 3x4 matrix and ...

8 months ago | 0