Nathaniel Porter

Last seen: etwa ein Jahr vor | Aktiv seit 2021

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An error occurred while running the simulation and the simulation was terminated
Caused by: Nonlinear iteration is not converging with step size reduced to hmin (2.63045E-16) at time 0.0740406. Try reducing t...

etwa 2 Jahre vor | 1 Antwort | 0

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Trying to convert fuel cell model to first order rate
Create a Rate Rule for an Exponential Rate of Change This example shows how to change the amount of a species similar to a firs...

etwa 2 Jahre vor | 1 Antwort | 0

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Starting my x-axis values not from zero
Trying to start x-axis which is my current density(j) values from the value 7e-3. Can anyone help out with this. clc; clear; ...

etwa 2 Jahre vor | 2 Antworten | 0

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Trying to input values and determine the class of the value
How can I input a set of glucose values for example and let my network return the class (healthy or diabetic) clc; clear all;...

etwa 2 Jahre vor | 1 Antwort | 0

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Trying to understand why my graphs are all flipped
My ohmic overpotential curve, concentration overpotential curve and cell j-v curve are suppose to be flipped meaning my voltage ...

etwa 2 Jahre vor | 1 Antwort | 0

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Incorrect dimensions for raising a matrix to a power. Check that the matrix is square and the power is a scalar. To perform elementwise matrix powers, use '.^'.
clear %Variables m=10; gamma_anode = 0.5; %reactant concentration at anode gamma_cathode = 1; %reactant concentration at cat...

etwa 2 Jahre vor | 1 Antwort | 0

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Invalid training data. Sequence responses must have the same sequence length as the corresponding predictors.
Confused as to why categorical did nto work is there somwhere else that I need to fix clc; clear all; close all; load Projectd...

etwa 2 Jahre vor | 1 Antwort | 0

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Trying reduce overfitting of training plot
Previoulsy tried running network with two sets of data however was not succesful. Achieved progres with running one per dataset ...

etwa 2 Jahre vor | 1 Antwort | 0

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Invalid training data. For classification tasks, responses must be a vector of categorical responses. For regression tasks, responses must be a vector, a matrix, or a 4-D arra
clc; clear all; close all; load Projectdata.mat % Split Data Glucose GlucoseReadings_T = GlucoseReadings'; GlucoseReadings...

etwa 2 Jahre vor | 2 Antworten | 0

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Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.
Cant seem to find the issue with the parenthesis clc; clear all; close all; load Projectdata.mat % Split Data Glucose Glu...

etwa 2 Jahre vor | 1 Antwort | 0

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Number of observations in X and Y disagree.
clc; clear all; close all; %Import/Upload data load Projectdata.mat % change to label vector CS = categories(categorical(G...

etwa 2 Jahre vor | 2 Antworten | 0

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Model producing negative values where it shouldn't
Under the section current density at electrodes im obtaining a much smaller value and a negative value when using the exp functi...

etwa 2 Jahre vor | 1 Antwort | 0

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Trying to remove Nans when plotting histogram, pdf and cdf
clear; load InsulinReadings.mat xX2 = InsulinReadings; xX2(xX2==0)=missing; A2 = mean(xX2,'all',"omitnan") B2 = median(xX2,...

etwa 2 Jahre vor | 1 Antwort | 0

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Trying to get all values for corresponding columns
1) Converted pdf to column vectors(string) 2) Trying to obtain all the values in fourth(glucose) corresponding to third column ...

etwa 2 Jahre vor | 1 Antwort | 0

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Trying to produce a proper pdf, cdf and histogram from data
load InsulinReadings.mat xX2 = InsulinReadings; xX2(xX2==0)=missing; A2 = mean(xX2,'all',"omitnan") B2 = median(xX2,'all',...

etwa 2 Jahre vor | 1 Antwort | 0

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Getting better pdf and histogram
load InsulinReadings.mat xX2 = InsulinReadings; xX2(xX2==0)=missing; A2 = mean(xX2,'all',"omitnan") B2 = median(xX2,'all',...

etwa 2 Jahre vor | 1 Antwort | 0

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Selecting specific data from pdf
%Trying to obtain any values between 48-64 and corresponding values in the %column to the right %For example the first line...

etwa 2 Jahre vor | 1 Antwort | 0

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Trying to convert data from pdf into mat file/column vectors and process it
1) Want to know how I can change to a matlab file 2) Only with the 3rd and fourth column 3) How can I take any values in the 3...

etwa 2 Jahre vor | 0 Antworten | 0

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Invalid training data. For classification tasks, responses must be a vector of categorical responses. For regression tasks, responses must be a vector, a matrix, or a 4-D arra
clc; clear all; close all; load GlucoseReadings.mat % Split Data GlucoseReadings_T = GlucoseReadings'; GlucoseReadings_tra...

etwa 2 Jahre vor | 1 Antwort | 0

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Unrecognized function or variable 'GR_outputpredicted'. Error in testcnn (line 75) predictionError = test_GR_output - GR_outputpredicted;
clc; clear all; close all; %Import/Upload data load GlucoseReadings.mat % change to label vector CS = categories(categorical...

etwa 2 Jahre vor | 1 Antwort | 0

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Index in position 1 exceeds array bounds. Index must not exceed 24. Error in RNN_CW2 (line 20) GlucoseReadings_T = GlucoseReadings_T(ind, :);
clc; clear all; close all; load GlucoseReadings.mat rand('seed', 0) GlucoseReadings_T = GlucoseReadings'; GR_outputC1 = cate...

etwa 2 Jahre vor | 1 Antwort | 0

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Number of elements must not change. Use [] as one of the size inputs to automatically calculate the appropriate size for that dimension.
clc; clear all; close all; %Import/Upload data load GlucoseReadings.mat % change to label vector CS = categories(categorical...

etwa 2 Jahre vor | 1 Antwort | 0

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Trying to get plots from range of values
%Base Conditions a_anode = 0.54;%Anodic transfer coefficient a_cathode = 0.52;%cathodic transfer coefficient T = 300; %Cell T...

etwa 2 Jahre vor | 1 Antwort | 0

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Trying to produce non-negative value
%Variables T = 1073; %Temperature E_thermo = 1; %Thermodynamic voltage x_H2_Ia = 0.95;%Hydrogyen inlet mole fraction x_O2_Id...

etwa 2 Jahre vor | 0 Antworten | 0

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Training plot taking very long to run
How can I improve my network to run faster and use less memory. clc; clear all; close all; %Import/Upload data load generated...

mehr als 2 Jahre vor | 2 Antworten | 0

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Trying to get prediction scatter plot
clc; clear all; close all; %Import/Upload data load generated_data.mat % change to label vector CS = categories(categorical(...

mehr als 2 Jahre vor | 1 Antwort | 0

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Getting different plot ranges
Trying to get time series plot of different days from dataset. Got help previoulsy but was only able to do day 1, when altering ...

mehr als 2 Jahre vor | 1 Antwort | 0

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Trying to change plot style
%Plot of entire patient one time series load ('glucose.mat') glucose_mgdl = glucose * 18; plot(date1+time,glucose_mgdl)...

mehr als 2 Jahre vor | 1 Antwort | 0

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Trying to plot correlogram of time series data
%Plot of entire patient one time series load ('glucose.mat') glucose_mgdl = glucose * 18; plot(date1+time,glucose_mgdl)...

mehr als 2 Jahre vor | 1 Antwort | 0

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Not getting proper time series plot
The csv file is left in a table format, then A2:D60 is selected for day 1 and then imported. This set if data is then named gluc...

mehr als 2 Jahre vor | 1 Antwort | 0

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Nathaniel Porter

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