Answered

make different numbers with the same digits

str = '215' ; num = str2num(perms(str)) ; greater = num(num>str2num(str)) lesser = num(num<str2num(str))

make different numbers with the same digits

str = '215' ; num = str2num(perms(str)) ; greater = num(num>str2num(str)) lesser = num(num<str2num(str))

2 jours ago | 0

Answered

code to detection the cars this code not counting cars properly How do i make it count correct ?

It looks like the dimensions of image A, B are not same. So while subtracting you are getting the error. You need to resize th...

code to detection the cars this code not counting cars properly How do i make it count correct ?

It looks like the dimensions of image A, B are not same. So while subtracting you are getting the error. You need to resize th...

3 jours ago | 0

| accepted

Answered

how to find a root of polynomial using matlab

sym c(y) c(y)= 1+3*tan(y/sqrt(2))==0 ; r = solve(c,y) ; double(r)

how to find a root of polynomial using matlab

sym c(y) c(y)= 1+3*tan(y/sqrt(2))==0 ; r = solve(c,y) ; double(r)

3 jours ago | 0

Answered

How to plot the Best Fit circle throught the points?

Try this: https://in.mathworks.com/matlabcentral/fileexchange/5557-circle-fit

How to plot the Best Fit circle throught the points?

Try this: https://in.mathworks.com/matlabcentral/fileexchange/5557-circle-fit

3 jours ago | 0

Answered

Help in Plotting X, Y and Heading Angle

Let V be your 64*15 data matrix. X = V(:,1:5) ; Y = V(:,6:10) ; Z = V(:,11:15) ; % If you want a surface and the data co...

Help in Plotting X, Y and Heading Angle

Let V be your 64*15 data matrix. X = V(:,1:5) ; Y = V(:,6:10) ; Z = V(:,11:15) ; % If you want a surface and the data co...

3 jours ago | 0

Answered

How to find the gradient of the best fit line?

Gradient is slope...you already have it in your hand.. p = polyfit(x,y,1) ; m = p(1) % slope of line

How to find the gradient of the best fit line?

Gradient is slope...you already have it in your hand.. p = polyfit(x,y,1) ; m = p(1) % slope of line

3 jours ago | 0

Answered

How can plot precipitation data with latitude longitude information? I have matrix of precipitation over the time,latitude and longitude all are in 470*160*140 dimensions.

Let lon, lat, P be your matrices of size 470*160*140. [m,n,p] = size(P) ; for i = 1:p pcolor(lon(:,:,i),lat(:,:,i),P(:...

How can plot precipitation data with latitude longitude information? I have matrix of precipitation over the time,latitude and longitude all are in 470*160*140 dimensions.

Let lon, lat, P be your matrices of size 470*160*140. [m,n,p] = size(P) ; for i = 1:p pcolor(lon(:,:,i),lat(:,:,i),P(:...

3 jours ago | 1

| accepted

Answered

Creating a profile of 2D array

I hope you have X, Y, Z matrices of size specified. And you want to know the value at given point (x,y). IN that case you need t...

Creating a profile of 2D array

I hope you have X, Y, Z matrices of size specified. And you want to know the value at given point (x,y). IN that case you need t...

4 jours ago | 0

Answered

Making consecutive 1s and 0s as a seperate element

Refer this link: https://in.mathworks.com/matlabcentral/answers/104614-grouping-continuous-nonzero-in-a-row-vector

Making consecutive 1s and 0s as a seperate element

Refer this link: https://in.mathworks.com/matlabcentral/answers/104614-grouping-continuous-nonzero-in-a-row-vector

4 jours ago | 0

Answered

How to find x-values when y-function equals a set value?

You can take your curve as L1 and define your straight line at y = 0.7 as curve L1 and use InterX. Get the function InterX from:...

How to find x-values when y-function equals a set value?

You can take your curve as L1 and define your straight line at y = 0.7 as curve L1 and use InterX. Get the function InterX from:...

5 jours ago | 0

Answered

creat matrix with specific row element

iwant = zeros(100) ; iwant(:,1:2:end) = 2 ;

creat matrix with specific row element

iwant = zeros(100) ; iwant(:,1:2:end) = 2 ;

5 jours ago | 0

Answered

Exporting a code from Maple to Matlab

Some thing like this: x = linspace(0,1) ; t = linspace(0,1) ; [x,t] = meshgrid(x,t) ; u =1./(1. + exp(x)).^2 + 1./(1. + e...

Exporting a code from Maple to Matlab

Some thing like this: x = linspace(0,1) ; t = linspace(0,1) ; [x,t] = meshgrid(x,t) ; u =1./(1. + exp(x)).^2 + 1./(1. + e...

5 jours ago | 0

Answered

Storing a surface slice in a .mat file and plotting the stored slice

You save all the slices into a cell and save them into .mat file. S = cell(N,1) ; S{1} = slice(X,Y,Z,vol,X_1,Y_1,Z_1,'linear...

Storing a surface slice in a .mat file and plotting the stored slice

You save all the slices into a cell and save them into .mat file. S = cell(N,1) ; S{1} = slice(X,Y,Z,vol,X_1,Y_1,Z_1,'linear...

5 jours ago | 0

Answered

Contour plot size reduction

Use this: https://in.mathworks.com/matlabcentral/fileexchange/23629-export_fig for exporting images for better quiality.

Contour plot size reduction

Use this: https://in.mathworks.com/matlabcentral/fileexchange/23629-export_fig for exporting images for better quiality.

5 jours ago | 0

Answered

Converting Frequency domain to time domain

data = csvread(myfile.csv) ; % also have a look on readtable, xlsread a = data(:,1) ; % acceleration f = data(:,2) ; % fr...

Converting Frequency domain to time domain

data = csvread(myfile.csv) ; % also have a look on readtable, xlsread a = data(:,1) ; % acceleration f = data(:,2) ; % fr...

5 jours ago | 0

Answered

How can I fix "Index exceeds the number of array elements (1)."

Modify it to: function [ca, depth] = transientDiffModel(B,Ds,H,ct,dz,t,th) B= input(' B:degradation rate of antibiotic in biof...

How can I fix "Index exceeds the number of array elements (1)."

Modify it to: function [ca, depth] = transientDiffModel(B,Ds,H,ct,dz,t,th) B= input(' B:degradation rate of antibiotic in biof...

5 jours ago | 1

Answered

Filling in 8x8 matrix with formula

A = zeros(8,8) for i = 1:8 p = (pi/16)+(i-1)*(pi/8) for j = 1:8 A(i,j) = cos((j-1)*p) end end ...

Filling in 8x8 matrix with formula

A = zeros(8,8) for i = 1:8 p = (pi/16)+(i-1)*(pi/8) for j = 1:8 A(i,j) = cos((j-1)*p) end end ...

6 jours ago | 1

| accepted

Answered

How to split data into multiple "chunks"?

Read about reshape. A = rand(1,1000) ; n = 100 ; iwant = reshape(A,100,[]) ; size(iwant) iwant(:,1) % 10 columns of 10...

How to split data into multiple "chunks"?

Read about reshape. A = rand(1,1000) ; n = 100 ; iwant = reshape(A,100,[]) ; size(iwant) iwant(:,1) % 10 columns of 10...

6 jours ago | 0

Answered

trying to output mean values that were calculated into excel.

May be you want to find the mean for every four elements and get 10 means. See the below: A = rand(1,40) ; % random data for ...

trying to output mean values that were calculated into excel.

May be you want to find the mean for every four elements and get 10 means. See the below: A = rand(1,40) ; % random data for ...

6 jours ago | 0

Answered

avoiding nested for loops for matrix assignment

m = 10000 ; n = 10000 ; [i,j] = meshgrid(1:n,1:m) ; a = i+j ;

avoiding nested for loops for matrix assignment

m = 10000 ; n = 10000 ; [i,j] = meshgrid(1:n,1:m) ; a = i+j ;

6 jours ago | 0

| accepted

Answered

Obtaining the valuse within the bouandary from my map

Something like this: [m,n,p] = size(EWT) ; [X,Y] = meshgrid(lambda-180,phi) ; B_1 = shaperead('Aqueduct_river_basins_TIGRIS...

Obtaining the valuse within the bouandary from my map

Something like this: [m,n,p] = size(EWT) ; [X,Y] = meshgrid(lambda-180,phi) ; B_1 = shaperead('Aqueduct_river_basins_TIGRIS...

6 jours ago | 0

Answered

Set variable = 0 and run while loop

We can help you in specific if you show us the code. As of now, you can save the variables inside the loop into an array and p...

Set variable = 0 and run while loop

We can help you in specific if you show us the code. As of now, you can save the variables inside the loop into an array and p...

6 jours ago | 0

Answered

Nested If Statement HELP

prompt = ' enter a value between 0 and 100 ' ; x = input(prompt) ; if x >= 90 && x <= 100 disp (' Grade is A '); else...

Nested If Statement HELP

prompt = ' enter a value between 0 and 100 ' ; x = input(prompt) ; if x >= 90 && x <= 100 disp (' Grade is A '); else...

6 jours ago | 0

Answered

Display the Vertex and Triangle labels on a meshes plot

x = rand (10,1); y = rand (10,1); tri = delaunay (x, y); triplot (tri, x, y); hold on; plot (x, y, "r*"); nodes = [1...

Display the Vertex and Triangle labels on a meshes plot

x = rand (10,1); y = rand (10,1); tri = delaunay (x, y); triplot (tri, x, y); hold on; plot (x, y, "r*"); nodes = [1...

6 jours ago | 1

| accepted

Answered

How can I fix "error Using plot" "Data cannot have more than two dimensions"?

Your V2 is a 3D array..it is of size 1*1*91.....Use: plot(Hp,squeeze(v2),'-b') Check your code where V2 is generated and try t...

How can I fix "error Using plot" "Data cannot have more than two dimensions"?

Your V2 is a 3D array..it is of size 1*1*91.....Use: plot(Hp,squeeze(v2),'-b') Check your code where V2 is generated and try t...

6 jours ago | 0

Answered

Index exceeds the number of array elements (1)

Your file nums2.txt has alternate lines of data..every alterate line is a empty line, when you try to read using the file using ...

Index exceeds the number of array elements (1)

Your file nums2.txt has alternate lines of data..every alterate line is a empty line, when you try to read using the file using ...

6 jours ago | 0

| accepted

Answered

how to plot quadratic equation with 2 variable

x = linspace(0,1) ; y = linspace(0,1) ; [X,Y] = meshgrid(x,y) ; f = 1/2*X.^2 + X.*Y + Y.^2 + Y ; surf(X,Y,f)

how to plot quadratic equation with 2 variable

x = linspace(0,1) ; y = linspace(0,1) ; [X,Y] = meshgrid(x,y) ; f = 1/2*X.^2 + X.*Y + Y.^2 + Y ; surf(X,Y,f)

7 jours ago | 0

Answered

Unequal vectors in one matrix.

C1=[1 1 1 1 2 2 2 2 1 1]; C2=[0 0 0 0 3 3 3 3 ]; C3=[4 4 4 4 5 5 5 5 6 75 5]; C4=[6 5 6 6 7 7 7 7]; iwant = NaN(4,11) ; i...

Unequal vectors in one matrix.

C1=[1 1 1 1 2 2 2 2 1 1]; C2=[0 0 0 0 3 3 3 3 ]; C3=[4 4 4 4 5 5 5 5 6 75 5]; C4=[6 5 6 6 7 7 7 7]; iwant = NaN(4,11) ; i...

7 jours ago | 0

Answered

Newton Raphson method help

fun = @(x) x^3 + 2*x^2 - 2; dfun = @(x) 3*x^2 + 4*x ; function [x1,n] = newton(fun,dfun,x0,tol) n = 0; x0 = rand ; % in...

Newton Raphson method help

fun = @(x) x^3 + 2*x^2 - 2; dfun = @(x) 3*x^2 + 4*x ; function [x1,n] = newton(fun,dfun,x0,tol) n = 0; x0 = rand ; % in...

7 jours ago | 1

Answered

hey i need your help!!

It can be done both by writitng your own code or using inbuilt functions.... You canget analytical solution using syms, dsolve....

hey i need your help!!

It can be done both by writitng your own code or using inbuilt functions.... You canget analytical solution using syms, dsolve....

7 jours ago | 0

| accepted