Symbolic Math Toolbox

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System does not seem to contain a first-order differential equation for the field '' ''.

Last post by namavri « Wed Mar 17, 2021 12:28 pm

by namavri » Wed Mar 17, 2021 12:28 pm

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1124 Views

Last post by namavri
Wed Mar 17, 2021 12:28 pm
''MaxCalls'' value must be a positive integer or ''infinity''.

Last post by namavri « Wed Mar 17, 2021 12:28 pm

by namavri » Wed Mar 17, 2021 12:28 pm

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968 Views

Last post by namavri
Wed Mar 17, 2021 12:28 pm
Matrix not positive definite within working precision.

Last post by namavri « Wed Mar 17, 2021 12:28 pm

by namavri » Wed Mar 17, 2021 12:28 pm

0 Replies

922 Views

Last post by namavri
Wed Mar 17, 2021 12:28 pm
Index must be an identifier or an indexed identifier.

Last post by namavri « Wed Mar 17, 2021 12:27 pm

by namavri » Wed Mar 17, 2021 12:27 pm

0 Replies

1069 Views

Last post by namavri
Wed Mar 17, 2021 12:27 pm
''time variable'' must be an identifier or an indexed identifier.

Last post by namavri « Wed Mar 17, 2021 12:27 pm

by namavri » Wed Mar 17, 2021 12:27 pm

0 Replies

1020 Views

Last post by namavri
Wed Mar 17, 2021 12:27 pm
Invalid search interval ''x = a..b'': ''a'' is greater than ''b''.

Last post by namavri « Wed Mar 17, 2021 12:26 pm

by namavri » Wed Mar 17, 2021 12:26 pm

0 Replies

922 Views

Last post by namavri
Wed Mar 17, 2021 12:26 pm
Invalid return type '' ''. It must be ''DOM_ARRAY'' or ''Dom::Matrix()''.

Last post by namavri « Wed Mar 17, 2021 12:26 pm

by namavri » Wed Mar 17, 2021 12:26 pm

0 Replies

875 Views

Last post by namavri
Wed Mar 17, 2021 12:26 pm
Invalid tolerance { } for the relative error. It must be positive.

Last post by namavri « Wed Mar 17, 2021 12:25 pm

by namavri » Wed Mar 17, 2021 12:25 pm

0 Replies

852 Views

Last post by namavri
Wed Mar 17, 2021 12:25 pm
In the second argument ''x = a..b'', the indeterminate ''x'' must be an identifier or an indexed identifier.

Last post by namavri « Wed Mar 17, 2021 12:25 pm

by namavri » Wed Mar 17, 2021 12:25 pm

0 Replies

814 Views

Last post by namavri
Wed Mar 17, 2021 12:25 pm
Matrix must be an array or of category ''Cat::Matrix''.

Last post by namavri « Wed Mar 17, 2021 12:24 pm

by namavri » Wed Mar 17, 2021 12:24 pm

0 Replies

842 Views

Last post by namavri
Wed Mar 17, 2021 12:24 pm
Specify merging of intervals as ''Merge'', ''Merge = TRUE'', or ''Merge = FALSE''.

Last post by namavri « Wed Mar 17, 2021 12:24 pm

by namavri » Wed Mar 17, 2021 12:24 pm

0 Replies

828 Views

Last post by namavri
Wed Mar 17, 2021 12:24 pm
Second argument ''x = a..b'' contains an invalid symbolic or complex left bound ''a''.

Last post by namavri « Wed Mar 17, 2021 12:23 pm

by namavri » Wed Mar 17, 2021 12:23 pm

0 Replies

839 Views

Last post by namavri
Wed Mar 17, 2021 12:23 pm
Invalid second argument '' ''. The unknown fields must be specified as function calls such as ''[y1(t), y2(t), ..]''.

Last post by namavri « Wed Mar 17, 2021 12:21 pm

by namavri » Wed Mar 17, 2021 12:21 pm

0 Replies

848 Views

Last post by namavri
Wed Mar 17, 2021 12:21 pm
Invalid specification of unknown fields to solve for. All functions must depend on the same symbolic ''time variable''.

Last post by namavri « Wed Mar 17, 2021 12:20 pm

by namavri » Wed Mar 17, 2021 12:20 pm

0 Replies

832 Views

Last post by namavri
Wed Mar 17, 2021 12:20 pm
Specify as ''AcceptSingularity = TRUE'' or ''AcceptSingularity = FALSE''.

Last post by namavri « Wed Mar 17, 2021 12:20 pm

by namavri » Wed Mar 17, 2021 12:20 pm

0 Replies

867 Views

Last post by namavri
Wed Mar 17, 2021 12:20 pm
Invalid tolerance '' '' for the absolute error. Tolerance must be nonnegative.

Last post by namavri « Wed Mar 17, 2021 12:20 pm

by namavri » Wed Mar 17, 2021 12:20 pm

0 Replies

794 Views

Last post by namavri
Wed Mar 17, 2021 12:20 pm
Unable to use Gauss-Tschebyscheff method in adaptive mode. Switching to ''GaussTschebyscheff={0}'', ''Adaptive=FALSE''.

Last post by namavri « Wed Mar 17, 2021 12:19 pm

by namavri » Wed Mar 17, 2021 12:19 pm

0 Replies

873 Views

Last post by namavri
Wed Mar 17, 2021 12:19 pm
First argument must be a set or list of differential equations and initial conditions.

Last post by namavri « Wed Mar 17, 2021 12:19 pm

by namavri » Wed Mar 17, 2021 12:19 pm

0 Replies

938 Views

Last post by namavri
Wed Mar 17, 2021 12:19 pm
Second argument must be a vector (1-dimensional ''array'') or a matrix (2-dimensional ''array'').

Last post by namavri « Wed Mar 17, 2021 12:18 pm

by namavri » Wed Mar 17, 2021 12:18 pm

0 Replies

831 Views

Last post by namavri
Wed Mar 17, 2021 12:18 pm
First argument must be a univariate expression or an equation in '' ''.

Last post by namavri « Wed Mar 17, 2021 12:18 pm

by namavri » Wed Mar 17, 2021 12:18 pm

0 Replies

779 Views

Last post by namavri
Wed Mar 17, 2021 12:18 pm
Function or equation must contain only one variable instead of { }.

Last post by namavri « Wed Mar 17, 2021 12:17 pm

by namavri » Wed Mar 17, 2021 12:17 pm

0 Replies

799 Views

Last post by namavri
Wed Mar 17, 2021 12:17 pm
Indeterminates to solve for seem to depend on multiple parameters.

Last post by namavri « Wed Mar 17, 2021 12:17 pm

by namavri » Wed Mar 17, 2021 12:17 pm

0 Replies

923 Views

Last post by namavri
Wed Mar 17, 2021 12:17 pm
Second argument must be a range specification, such as ''k=a..b'' or ''x in RootOf(...)''.

Last post by namavri « Wed Mar 17, 2021 12:17 pm

by namavri » Wed Mar 17, 2021 12:17 pm

0 Replies

842 Views

Last post by namavri
Wed Mar 17, 2021 12:17 pm
Set, list, or matrix of equations or expressions expected.

Last post by namavri « Wed Mar 17, 2021 12:16 pm

by namavri » Wed Mar 17, 2021 12:16 pm

0 Replies

829 Views

Last post by namavri
Wed Mar 17, 2021 12:16 pm
Second argument must be a real number greater than or equal to ''10^(-DIGITS)''.

Last post by namavri « Wed Mar 17, 2021 12:16 pm

by namavri » Wed Mar 17, 2021 12:16 pm

0 Replies

795 Views

Last post by namavri
Wed Mar 17, 2021 12:16 pm

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