Answered

position of values in a matrix

A = [23 24 35 2 12 19 24 23 12 15 26 17] loc = find(ismember(A,[35 2],'rows')) loc = 2

position of values in a matrix

A = [23 24 35 2 12 19 24 23 12 15 26 17] loc = find(ismember(A,[35 2],'rows')) loc = 2

4 maanden ago | 1

Answered

How to put a value in a plot label?

depth = [5,10,15,20]; for k = 1:4 kd = 0.0143.*5*k; SOTE = (a + kd + kp).*X.^beta.*5*k; figure(1) if k < 3 ...

How to put a value in a plot label?

depth = [5,10,15,20]; for k = 1:4 kd = 0.0143.*5*k; SOTE = (a + kd + kp).*X.^beta.*5*k; figure(1) if k < 3 ...

4 maanden ago | 0

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Answered

Why is this code not reading the csv file?

The images are useless, but the error is clear, your variable tdata doesn't exist. I guess you need to change this line: tdata ...

Why is this code not reading the csv file?

The images are useless, but the error is clear, your variable tdata doesn't exist. I guess you need to change this line: tdata ...

4 maanden ago | 0

Answered

ODE45, simple events

function [check,stop,direction]=landing(t,y) check = y; stop = 1; direction=0; end

ODE45, simple events

function [check,stop,direction]=landing(t,y) check = y; stop = 1; direction=0; end

4 maanden ago | 1

Answered

How to gracefully generate an all-one cell array?

function Output=OnesInCell(varargin) %This function should be the same as ones() except that each of the ones is packed into an...

How to gracefully generate an all-one cell array?

function Output=OnesInCell(varargin) %This function should be the same as ones() except that each of the ones is packed into an...

4 maanden ago | 0

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Answered

How to cut dimensions of 3d arrays in a cell.

Being A your cell array: newA = arrayfun(@(i) A{i}(700:720,300:360,:),1:numel(A),'uni',0)

How to cut dimensions of 3d arrays in a cell.

Being A your cell array: newA = arrayfun(@(i) A{i}(700:720,300:360,:),1:numel(A),'uni',0)

4 maanden ago | 1

Answered

selection of rows in a matrix

A = [36 13 9 21 23 32 35 5 3 43] B = A([1,3,5],:)

selection of rows in a matrix

A = [36 13 9 21 23 32 35 5 3 43] B = A([1,3,5],:)

4 maanden ago | 0

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Answered

Cannot call files named with ' character in the text

filename = '8''_Data_Startup-1234567489'

Cannot call files named with ' character in the text

filename = '8''_Data_Startup-1234567489'

5 maanden ago | 1

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Answered

Exporting data from matlab to a excel with a special pathway

xlswrite(filename,Y1,1) xlswrite(filename,Y2,2) xlswrite(filename,Y3,3)

Exporting data from matlab to a excel with a special pathway

xlswrite(filename,Y1,1) xlswrite(filename,Y2,2) xlswrite(filename,Y3,3)

6 maanden ago | 0

Answered

How do I code a function that's supposed to be an infinite pattern?

Another possibility: res = sum(x.*circshift(y,-1) - y.*circshift(x,-1))

How do I code a function that's supposed to be an infinite pattern?

Another possibility: res = sum(x.*circshift(y,-1) - y.*circshift(x,-1))

6 maanden ago | 0

Answered

Best way to calculate the determinants of a series of matrices?

delta = arrayfun(@(t) det(squeeze(G(t,:,:))),1:size(G,1));

Best way to calculate the determinants of a series of matrices?

delta = arrayfun(@(t) det(squeeze(G(t,:,:))),1:size(G,1));

6 maanden ago | 0

Answered

what is the error in this program

There is no error in your code, the problem is that it doesn't do whatt you want. I guess you want something like this (without ...

what is the error in this program

There is no error in your code, the problem is that it doesn't do whatt you want. I guess you want something like this (without ...

6 maanden ago | 0

Answered

Errror using imwrite, can't use "append" in 'WriteMode'

You are changing the file name for each frame, resulting in different tif images. To build a tif stack you just need to use ONE ...

Errror using imwrite, can't use "append" in 'WriteMode'

You are changing the file name for each frame, resulting in different tif images. To build a tif stack you just need to use ONE ...

6 maanden ago | 1

| accepted

Answered

How to generate a random integer between two bounds?

randi([4,500])

How to generate a random integer between two bounds?

randi([4,500])

6 maanden ago | 0

| accepted

Answered

i want to plot 4 plots using ginput

Adding hold on: clear all; close all; hold on for k=1:4 axis([0,10,0,10]); data = ginput(4); x = data(:,1); y = data(:,2...

i want to plot 4 plots using ginput

Adding hold on: clear all; close all; hold on for k=1:4 axis([0,10,0,10]); data = ginput(4); x = data(:,1); y = data(:,2...

6 maanden ago | 0

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Answered

Summing up values of A matrix if it matches the same value in B

One option: [G,ID] = findgroups(B); C = [splitapply(@sum,A,G),ID] C = 15.0000 32.1111 3.0000 34.6731 1.0000...

Summing up values of A matrix if it matches the same value in B

One option: [G,ID] = findgroups(B); C = [splitapply(@sum,A,G),ID] C = 15.0000 32.1111 3.0000 34.6731 1.0000...

6 maanden ago | 0

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Answered

Problem in plotting the string variable

Do you mean this? Rough_y=[4;5;8;3;12;14;9;11;17;17;11;14;19;25;15] Station=['a';'b';'c';'d';'e';'f';'g';'h';'i';'j';'k';'l';'...

Problem in plotting the string variable

Do you mean this? Rough_y=[4;5;8;3;12;14;9;11;17;17;11;14;19;25;15] Station=['a';'b';'c';'d';'e';'f';'g';'h';'i';'j';'k';'l';'...

6 maanden ago | 0

Answered

How can i use Inverse for symbolic variables?

syms x y a b c d A = [ a*(x^2) , b*(y^3) ; d*(x^2)*y , c ]; inv(A) ans = [ c/(- b*d*x^2*y^4 + a*c*x^2), -(b*y^3)/(- b*d*x^...

How can i use Inverse for symbolic variables?

syms x y a b c d A = [ a*(x^2) , b*(y^3) ; d*(x^2)*y , c ]; inv(A) ans = [ c/(- b*d*x^2*y^4 + a*c*x^2), -(b*y^3)/(- b*d*x^...

6 maanden ago | 1

| accepted

Answered

problem with reading data from excel

Do you mean this? data = xlsread('yourExcel.xlsx'); data = data(2:end,2:end) data(2,4) %For example: x1 = 2; x2 = 4

problem with reading data from excel

Do you mean this? data = xlsread('yourExcel.xlsx'); data = data(2:end,2:end) data(2,4) %For example: x1 = 2; x2 = 4

6 maanden ago | 0

| accepted

Answered

Checking for existence of row in a matrix

Try with this: my_mat = [1 2 4 5 3 1 6 9 7]; new = [6 9]; Lia = ismember(my_mat(:,1:2),new,'rows'); ...

Checking for existence of row in a matrix

Try with this: my_mat = [1 2 4 5 3 1 6 9 7]; new = [6 9]; Lia = ismember(my_mat(:,1:2),new,'rows'); ...

6 maanden ago | 0

| accepted

Answered

How to repeat loop until condition is met? While or For Loop?

Something like this would be a good solution: x = %Initialization A = x + 1.5; B = x^2 + 1; Error = A-B; iter = 1; while ...

How to repeat loop until condition is met? While or For Loop?

Something like this would be a good solution: x = %Initialization A = x + 1.5; B = x^2 + 1; Error = A-B; iter = 1; while ...

6 maanden ago | 0

| accepted

Answered

Differentiating gives wrong result

I don't know why the result is presented in different way depending on the case, but the result is allways the same: %Case 1 s...

Differentiating gives wrong result

I don't know why the result is presented in different way depending on the case, but the result is allways the same: %Case 1 s...

6 maanden ago | 0

| accepted

Answered

Array indices must be positive integers or logical values

You are trying to acces to: B(0), B(0.1) and so on, which are not allowed indexes. Try with this: %% MAGNETORQUER SIZING clear...

Array indices must be positive integers or logical values

You are trying to acces to: B(0), B(0.1) and so on, which are not allowed indexes. Try with this: %% MAGNETORQUER SIZING clear...

6 maanden ago | 0

| accepted

Solved

Back and Forth Rows

Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

7 maanden ago

Solved

Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

7 maanden ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

7 maanden ago

Answered

How can I find consecutive digits seperated by spaces?

An alternative without regexp: a = '1 1 1 4 4 6 7 7 7 7'; b = str2num(a); d = [true, diff(b) ~= 0, true]; n = diff(find(d))...

How can I find consecutive digits seperated by spaces?

An alternative without regexp: a = '1 1 1 4 4 6 7 7 7 7'; b = str2num(a); d = [true, diff(b) ~= 0, true]; n = diff(find(d))...

7 maanden ago | 3

Answered

How to identify and remove element if it is consecutively repeated a certain amount of times in an array

Following Jan's answer in this threat (link): A = [1 2 3 3 3 3 5 6 2 8 7 3 3 2]; d = [true, diff(A) ~= 0, true]; n = diff(fi...

How to identify and remove element if it is consecutively repeated a certain amount of times in an array

Following Jan's answer in this threat (link): A = [1 2 3 3 3 3 5 6 2 8 7 3 3 2]; d = [true, diff(A) ~= 0, true]; n = diff(fi...

7 maanden ago | 0

| accepted