Answered

Getting A Blank Plot From Code

Yp=62e9; Yfca=250e9; yfsi=480e9; d31=-320e-12; a=linspace(0,1); d31eff=-d31./((log(1-a)).*(1./a-0.5)); vp=1; d31multi=d31...

Getting A Blank Plot From Code

Yp=62e9; Yfca=250e9; yfsi=480e9; d31=-320e-12; a=linspace(0,1); d31eff=-d31./((log(1-a)).*(1./a-0.5)); vp=1; d31multi=d31...

5 days ago | 0

Answered

How to add proper values on top of bar chart

Y1 = [-31.6 15.8 -8.0]; subplot(3,2,2) Vn4a_diff=15.8;Vn4c_diff=-31.6;Vn4b_diff=8; b=bar(2,Vn4a_diff,'FaceColor',[0 0.6 0.3],...

How to add proper values on top of bar chart

Y1 = [-31.6 15.8 -8.0]; subplot(3,2,2) Vn4a_diff=15.8;Vn4c_diff=-31.6;Vn4b_diff=8; b=bar(2,Vn4a_diff,'FaceColor',[0 0.6 0.3],...

5 days ago | 0

Answered

Problem with if statements

e=["H","Li","Be","B","C","N","O","F","Na","Mg","Al","Si","P","S","Cl","K","Ca",... "Sc","Ti","V","Cr","Mn","Fe","Co","Ni","...

Problem with if statements

e=["H","Li","Be","B","C","N","O","F","Na","Mg","Al","Si","P","S","Cl","K","Ca",... "Sc","Ti","V","Cr","Mn","Fe","Co","Ni","...

5 days ago | 0

Answered

Is there a way to create a loop for reading multiple Excel files at once?

time=[130,230,330...]; for i= 1:length(time) lum(:,i)=csvread(sprintf('PAR_TOP_%d.csv',time(i)),3,2); end

Is there a way to create a loop for reading multiple Excel files at once?

time=[130,230,330...]; for i= 1:length(time) lum(:,i)=csvread(sprintf('PAR_TOP_%d.csv',time(i)),3,2); end

5 days ago | 0

| accepted

Answered

The results display problem

A= [1.02 0.95 0.77 0.67 0.56 0.30 0.16 0.01]; b = [0.39 0.32 0.22 0.18 0.15 0.12 0.13 0.15]; for i = 1:4 num = 10.^(-i);...

The results display problem

A= [1.02 0.95 0.77 0.67 0.56 0.30 0.16 0.01]; b = [0.39 0.32 0.22 0.18 0.15 0.12 0.13 0.15]; for i = 1:4 num = 10.^(-i);...

5 days ago | 0

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Answered

How to Call a Function Within a Script?

%execute function dydt=vdp1000(t,y);%must assign t and y prior to executing the function function dydt = vdp1000(t,y) dyd...

How to Call a Function Within a Script?

%execute function dydt=vdp1000(t,y);%must assign t and y prior to executing the function function dydt = vdp1000(t,y) dyd...

5 days ago | 0

Answered

Hi , i want to build a matrix

C=rand(1,3); B=rand(3,1); A=rand(3,3); n=size(A,1); a=eye(n); y=4; H=diag(repelem(C*B,n*y)); for k=-1:-1:-n*y+1 a=a+A^...

Hi , i want to build a matrix

C=rand(1,3); B=rand(3,1); A=rand(3,3); n=size(A,1); a=eye(n); y=4; H=diag(repelem(C*B,n*y)); for k=-1:-1:-n*y+1 a=a+A^...

5 days ago | 0

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Answered

The summation of elements between two numbers

yourMatrix=rand(7,18)*90+10; s=sum(yourMatrix(yourMatrix>=35&yourMatrix<=55))

The summation of elements between two numbers

yourMatrix=rand(7,18)*90+10; s=sum(yourMatrix(yourMatrix>=35&yourMatrix<=55))

6 days ago | 0

Answered

write a mathlab code to generate a sinusoidal signal with a random frequency 𝑋(𝑡) = 𝑐𝑜𝑠(2𝜋𝐹𝑡), where F is a random variable uniformly distributed over some interval (0, 𝑓0).

f0=5; x=@(t)cos(2*pi*f0*rand*t); t=0:.001:pi/4; plot(t,x(t))

write a mathlab code to generate a sinusoidal signal with a random frequency 𝑋(𝑡) = 𝑐𝑜𝑠(2𝜋𝐹𝑡), where F is a random variable uniformly distributed over some interval (0, 𝑓0).

f0=5; x=@(t)cos(2*pi*f0*rand*t); t=0:.001:pi/4; plot(t,x(t))

7 days ago | 1

Answered

Solving equation with one variable but it is present in the equation twice

It is easy to just solve for x in your equation and have an equation in Vout. f=@(Vout)(211200-1000*Vout)./(Vout+211.2); f(100...

Solving equation with one variable but it is present in the equation twice

It is easy to just solve for x in your equation and have an equation in Vout. f=@(Vout)(211200-1000*Vout)./(Vout+211.2); f(100...

9 days ago | 0

Answered

how to separate columns from txt file

Try: c = readtable("r4.4u_db.txt",'Format','%f %*c %f %*c%*c%*c %f %*c%*c');

how to separate columns from txt file

Try: c = readtable("r4.4u_db.txt",'Format','%f %*c %f %*c%*c%*c %f %*c%*c');

9 days ago | 0

Answered

Index exceeds the number of array elements. Index must not exceed 272.

What are you trying to do? You cannot index into mean_value_data_smoth with a value greater than its size (272). You are indexin...

Index exceeds the number of array elements. Index must not exceed 272.

What are you trying to do? You cannot index into mean_value_data_smoth with a value greater than its size (272). You are indexin...

9 days ago | 0

Answered

How do you replace NaN values in column n with the average of the all the values in column n?

r=rand(9172,27); r(randi(247644,1,10000))=nan;%add some nan's m=mean(r,'omitnan'); [~,idx]=find(isnan(r)); r(isnan(r))=m(idx...

How do you replace NaN values in column n with the average of the all the values in column n?

r=rand(9172,27); r(randi(247644,1,10000))=nan;%add some nan's m=mean(r,'omitnan'); [~,idx]=find(isnan(r)); r(isnan(r))=m(idx...

10 days ago | 0

Answered

How to simplify a complicated output of a function with only double coefficients

Look at digits and vpa %just take the vpa of the result to however many digits of accuracy. digits 10 vpa(newton_interpolatio...

How to simplify a complicated output of a function with only double coefficients

Look at digits and vpa %just take the vpa of the result to however many digits of accuracy. digits 10 vpa(newton_interpolatio...

10 days ago | 0

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Answered

How do I change Array element with another array element?

A = [0 0 0 0]; B = [1 1 0 0]; A=B

How do I change Array element with another array element?

A = [0 0 0 0]; B = [1 1 0 0]; A=B

10 days ago | 0

Answered

fplot graph error getting y=0

There is a sinularity around -5.6e-4 (advoid this area) math=@(x)0.6.*x.^3.*exp(-0.4./x)+1.5.*x.^2.*exp(-0.6.*x); fplot(math,[...

fplot graph error getting y=0

There is a sinularity around -5.6e-4 (advoid this area) math=@(x)0.6.*x.^3.*exp(-0.4./x)+1.5.*x.^2.*exp(-0.6.*x); fplot(math,[...

10 days ago | 0

| accepted

Answered

Base-2 logarithmic scale on bar diagram

A logarithmic scale does not matter what the base is. You can change the markers to whatever you want (powers of two). figure; ...

Base-2 logarithmic scale on bar diagram

A logarithmic scale does not matter what the base is. You can change the markers to whatever you want (powers of two). figure; ...

10 days ago | 0

| accepted

Answered

The plot of cosine is not shown

xt will always be 1 and is plotting correctly. cos(2*pi*100*t) will always be an interger multiplied by 2*pi, and cos(2*pi)==1.

The plot of cosine is not shown

xt will always be 1 and is plotting correctly. cos(2*pi*100*t) will always be an interger multiplied by 2*pi, and cos(2*pi)==1.

10 days ago | 0

| accepted

Answered

How to fit lognormal distribution on my data

Look at lognfit [pHat,pCI] = lognfit(repelem(vector1,vector2));

How to fit lognormal distribution on my data

Look at lognfit [pHat,pCI] = lognfit(repelem(vector1,vector2));

11 days ago | 0

Answered

How to compare two arrays of strings?

Use string arrays instead of character arrays. A=["red","purple","blue","green"]; B=["orange","purple","yellow","green"]; C=B...

How to compare two arrays of strings?

Use string arrays instead of character arrays. A=["red","purple","blue","green"]; B=["orange","purple","yellow","green"]; C=B...

11 days ago | 0

Answered

problem with condtitions in program

Hard to understand what you are trying to do. Looks like you are good to about 72. t=[0.0840000000000000,0.935000000000000,1.83...

problem with condtitions in program

Hard to understand what you are trying to do. Looks like you are good to about 72. t=[0.0840000000000000,0.935000000000000,1.83...

11 days ago | 0

Answered

Hi there, does anyone know how to help me resolve this issue? My code keeps running on and on. If you can help me figure the issue please :)? And also the plots are not showin

You are getting stuck in your positionfourbar() while loop. You need to evaluation your equations and comparison to epsilon.

Hi there, does anyone know how to help me resolve this issue? My code keeps running on and on. If you can help me figure the issue please :)? And also the plots are not showin

You are getting stuck in your positionfourbar() while loop. You need to evaluation your equations and comparison to epsilon.

11 days ago | 0

Solved

Exact Cover

An efficient solution to the exact cover problem can be useful in many situations. In this problem, you are welcome to use Knuth...

11 days ago

Answered

Get MatLAB to read data instead of text

Try readtable t=readtable('yourFile.csv');

Get MatLAB to read data instead of text

Try readtable t=readtable('yourFile.csv');

11 days ago | 0

Answered

Add Letters in a sequence

l='abcdefghijklmnopqrstuvwxyz'; gap='defjklmrstuvwz'-96; l(gap)='-'

Add Letters in a sequence

l='abcdefghijklmnopqrstuvwxyz'; gap='defjklmrstuvwz'-96; l(gap)='-'

11 days ago | 1

| accepted

Solved

Is the number of 1s in a binary integer odd or even?

Your function should turn the input integers into binary form and count the number of 1s in the binary. If the number is odd, re...

11 days ago

Answered

Why does my else doesnt work?

a = [-3.821; 0.135; 5.995; -5.557; -4.041; -3.094; -3.244; -3.074; -1.241; -4.216; -2.834; -0.424; 5.337; -0.088; 2.985; 4.136;...

Why does my else doesnt work?

a = [-3.821; 0.135; 5.995; -5.557; -4.041; -3.094; -3.244; -3.074; -1.241; -4.216; -2.834; -0.424; 5.337; -0.088; 2.985; 4.136;...

12 days ago | 1

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Solved

Cricket - Report the Result (Part I: Limited Overs)

Given two scalar strings representing the scores for a limited-overs match, return a string reporting the result in the form "Te...

12 days ago