MATLAB enthusiastic

Answered

Add a vector to a matrix if satisfies one condition

col_3 = A(:, 3); % 3rd column of A con = col_3(2)- 1> B(end) >col_3(end)+1; % your condition if cond C = [A;B]; ...

Add a vector to a matrix if satisfies one condition

col_3 = A(:, 3); % 3rd column of A con = col_3(2)- 1> B(end) >col_3(end)+1; % your condition if cond C = [A;B]; ...

environ 23 heures ago | 0

Answered

Trying to make every odd number zero in a vector

x(find(mod(x, 2))) = 0; or x(1:2:end) = 0;

Trying to make every odd number zero in a vector

x(find(mod(x, 2))) = 0; or x(1:2:end) = 0;

environ 24 heures ago | 0

Answered

Storing values in a loop

Already your 20000 iterations of the x is stored in the variable in x and for the histogram use command as hist(x)

Storing values in a loop

Already your 20000 iterations of the x is stored in the variable in x and for the histogram use command as hist(x)

2 jours ago | 0

Answered

while loop multiple conditions

eps=ones(1,n_windings)*0.01; T_WATERback=ones(1,n_windings)*T_water_hp; T_WATERfront=T_WATER; T_WIREback=ones(1,n_windings)*(...

while loop multiple conditions

eps=ones(1,n_windings)*0.01; T_WATERback=ones(1,n_windings)*T_water_hp; T_WATERfront=T_WATER; T_WIREback=ones(1,n_windings)*(...

3 jours ago | 0

Answered

Could anyone help me how to rearrange the matrix in the descending order with respect to the values in another matrix.

[~, b] = sort(c, 'descend');

Could anyone help me how to rearrange the matrix in the descending order with respect to the values in another matrix.

[~, b] = sort(c, 'descend');

3 jours ago | 0

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Answered

How to turn existing code into app and which components to use?

You can use any action UI control button in app designer, suppose mostly used one is push button. In the respective UI control ...

How to turn existing code into app and which components to use?

You can use any action UI control button in app designer, suppose mostly used one is push button. In the respective UI control ...

3 jours ago | 0

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Answered

how will I replace a string with another string without using strrep?

Can I use regexprep command ??, If yes function newstring = replace_tags(readstring,tag,replacement) r_s=lower(readstring)...

how will I replace a string with another string without using strrep?

Can I use regexprep command ??, If yes function newstring = replace_tags(readstring,tag,replacement) r_s=lower(readstring)...

3 jours ago | 0

Answered

add matrix to cell

I guese you want like this?? A=rand(25,25); B=fliplr(A(2:25,:)); % only line no 2 C= nan(25,25); C(2:25, :) = B; % assign...

add matrix to cell

I guese you want like this?? A=rand(25,25); B=fliplr(A(2:25,:)); % only line no 2 C= nan(25,25); C(2:25, :) = B; % assign...

4 jours ago | 0

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Answered

How to plot for for a range? showing error

Your code t = 0:0.001:1; D = (117649*exp(4*t))/6561- (117649*exp(4*t))/26244 - (117649*t.^2.*exp(4*t))/4374 - ... (117649...

How to plot for for a range? showing error

Your code t = 0:0.001:1; D = (117649*exp(4*t))/6561- (117649*exp(4*t))/26244 - (117649*t.^2.*exp(4*t))/4374 - ... (117649...

5 jours ago | 0

Answered

Looping for storing differet matrix in different rows but in same matrix.

In simple way Calculated_Data = reshape([alpha_data{:}],6,79); In for loop Calculated_Data = zeros(6, 79); k = 1; % count...

Looping for storing differet matrix in different rows but in same matrix.

In simple way Calculated_Data = reshape([alpha_data{:}],6,79); In for loop Calculated_Data = zeros(6, 79); k = 1; % count...

5 jours ago | 0

Answered

Easier ways to write this scipt.

clear; clc; balance = 1000;%initial deposit deposit = 500; %yearly deposit APR = 0.04; %interest rate % years =[0:14]; %yea...

Easier ways to write this scipt.

clear; clc; balance = 1000;%initial deposit deposit = 500; %yearly deposit APR = 0.04; %interest rate % years =[0:14]; %yea...

5 jours ago | 0

Answered

my Plot not showing a line only the points

If you need plot as line in anyway take additional variables to plot it % Numerical Method of Solving ODE \ Euler Method% % '...

my Plot not showing a line only the points

If you need plot as line in anyway take additional variables to plot it % Numerical Method of Solving ODE \ Euler Method% % '...

8 jours ago | 1

Answered

Vectorization of a for loop

% assuming fake data filteredArray = [8 3 5 6 10 5 10 4 8 7]; inputScalar = 5; % then appl...

Vectorization of a for loop

% assuming fake data filteredArray = [8 3 5 6 10 5 10 4 8 7]; inputScalar = 5; % then appl...

9 jours ago | 0

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Answered

Importing three .txt files into a structure and then do calculations and form graph.

You said text file contains 31 columns but it has 19 columns only(attached file) You are able to get data for 19 colums from yo...

Importing three .txt files into a structure and then do calculations and form graph.

You said text file contains 31 columns but it has 19 columns only(attached file) You are able to get data for 19 colums from yo...

10 jours ago | 0

Answered

How to pick a corresponding value during a for loop run

It is possible, only if both variable scores and 0:Dtetha:Dmax(direction) lengths are equal function D_auto = response(x) % ...

How to pick a corresponding value during a for loop run

It is possible, only if both variable scores and 0:Dtetha:Dmax(direction) lengths are equal function D_auto = response(x) % ...

10 jours ago | 0

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Solved

"Low : High - Low : High - Turn around " -- Create a subindices vector

Let two vectors *lo* and *hi* be given. The job is to create a index vector like so idx = [lo(1):hi(1) lo(2):hi(2) ...]...

10 jours ago

Answered

Create a string array (MxN) where each element is a repeated character based off a numeric array (MxN)

B = string(cellfun(@(x)repelem('#', x), num2cell(A), 'UniformOutput', false));

Create a string array (MxN) where each element is a repeated character based off a numeric array (MxN)

B = string(cellfun(@(x)repelem('#', x), num2cell(A), 'UniformOutput', false));

11 jours ago | 2

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Answered

Cartesian to polar matrix

Ybus = [ 20-j*50 -10+j*20 -10+j*30 -10+j*20 26-j*52 -16+j*32 -10+j*30 -16+j*32 26-j*62]; [angle_Ybus, rh...

Cartesian to polar matrix

Ybus = [ 20-j*50 -10+j*20 -10+j*30 -10+j*20 26-j*52 -16+j*32 -10+j*30 -16+j*32 26-j*62]; [angle_Ybus, rh...

11 jours ago | 0

Answered

How can i get matrix element for a complex values?

% suppose a fake matrix with size 3x3 >> A = rand(3); A = 0.7922 0.0357 0.6787 0.9595 0.8491 0.7577 ...

How can i get matrix element for a complex values?

% suppose a fake matrix with size 3x3 >> A = rand(3); A = 0.7922 0.0357 0.6787 0.9595 0.8491 0.7577 ...

11 jours ago | 0

Answered

Random string generation of message

Assuming you are dealing with row string function out_str = rand_string_gen(np, str) % np = numberf of positions % str = inpu...

Random string generation of message

Assuming you are dealing with row string function out_str = rand_string_gen(np, str) % np = numberf of positions % str = inpu...

12 jours ago | 0

Answered

Cartesian to polar matrix

If Ybus = [x + iy] then [angle_Ybus, rho_Ybus] = cart2pol(real(Ybus), imag(Ybus)); see the more details in https://in.mathwor...

Cartesian to polar matrix

If Ybus = [x + iy] then [angle_Ybus, rho_Ybus] = cart2pol(real(Ybus), imag(Ybus)); see the more details in https://in.mathwor...

13 jours ago | 0

Answered

How do I fill empty Matrix elements with NaNs?

% assuming a fake structure similor to your case A.a = rand(4,1); A.b = []; A.c = rand(7,1); A.d = rand(10,1); fields = f...

How do I fill empty Matrix elements with NaNs?

% assuming a fake structure similor to your case A.a = rand(4,1); A.b = []; A.c = rand(7,1); A.d = rand(10,1); fields = f...

13 jours ago | 0

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Solved

Calculate the area of a triangle between three points

Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

14 jours ago

Solved

Fix the last element of a cell array

Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

14 jours ago

Solved

Split a string into chunks of specified length

Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

14 jours ago

Solved

Convert a numerical matrix into a cell array of strings

Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

14 jours ago

Solved

Create a cell array out of a struct

Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

14 jours ago

Solved

Convert a Cell Array into an Array

Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

14 jours ago

Solved

Remove element(s) from cell array

You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

14 jours ago

Answered

How to store results of a Structure

Convert to the cell array as get_FileNames = {info_h5.stuff.morestuff.FileNames}; % enclosed in {} brackets then access the...

How to store results of a Structure

Convert to the cell array as get_FileNames = {info_h5.stuff.morestuff.FileNames}; % enclosed in {} brackets then access the...

14 jours ago | 1

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