Cp contact hard.m - Revision history

Kuprov: Update function See also links and function index membership

2026-06-06T18:35:23Z

Update function See also links and function index membership

Kuprov: Rename Arguments section heading to Parameters

2026-06-05T17:47:58Z

Rename Arguments section heading to Parameters

Kuprov: Normalise preformatted blank lines in function documentation blocks

2026-06-05T16:40:47Z

Normalise preformatted blank lines in function documentation blocks

Kuprov: Normalise sequential blank lines

2026-04-25T11:23:54Z

Normalise sequential blank lines

Kuprov: /* Examples */

2024-05-08T10:00:43Z

‎Examples

Kuprov at 09:59, 8 May 2024

2024-05-08T09:59:31Z

Kuprov: Kuprov moved page Crosspol.m to Cp contact hard.m

2024-05-08T09:55:51Z

Kuprov moved page Crosspol.m to Cp contact hard.m

Kuprov: /* See also */

2024-05-08T09:51:59Z

‎See also

Kuprov: /* See also */

2024-05-04T09:20:08Z

‎See also

Kuprov: /* See also */

2024-05-04T09:19:57Z

‎See also

@@ Line 46: / Line 46: @@
 ==See also==
-[[overtone_cp.m]], [[dante.m]], [[cn2d_dq.m]], [[cn2d_sq.m]], [[mqmas.m]], [[cp_acquire_soft.m]], [[cp_contact_soft.m]]
+[[overtone_cp.m]], [[dante.m]], [[cn2d_dq.m]], [[cn2d_sq.m]], [[mqmas.m]], [[cp_acquire_soft.m]], [[cp_contact_soft.m]], [[fslghetcor.m]], [[nqr_pa.m]], [[pdsd.m]], [[respiration.m]], [[wise.m]], [[Built-in_experiments]]
 ''Version 2.9, authors: [[Ilya Kuprov]], [[Marina Carravetta]], [[Phil Williamson]]''

@@ Line 6: / Line 6: @@
       contact_curve=cp_contact_hard(spin_system,parameters,H,R,K)
-==Arguments==
+==Parameters==
       parameters.irr_powers - a matrix containing the values

@@ Line 12: / Line 12: @@
                               quency on each channel (rows)
                               at each time slice (cols), Hz
-−
       parameters.irr_opers  - a cell array of spin operators
                               corresponding to the spin-lock

← Older revision		Revision as of 11:23, 25 April 2026
Line 49:		Line 49:

	[[Built-in_experiments#Solid_state_NMR_experiments\|Solid state NMR experiments]]		[[Built-in_experiments#Solid_state_NMR_experiments\|Solid state NMR experiments]]
−

	''Version 2.9, authors: [[Ilya Kuprov]], [[Marina Carravetta]], [[Phil Williamson]]''		''Version 2.9, authors: [[Ilya Kuprov]], [[Marina Carravetta]], [[Phil Williamson]]''

@@ Line 41: / Line 41: @@
 ==Examples==
-An example of a 1H-15N CP matching condition scan under MAS (examples/nmr_solids/cp_powder_mas_1.m) appears below.
+An example of a 1H-15N CP matching condition scan under MAS (examples/nmr_solids/cp_matching_1.m) appears below.
 [[File: cp_match.png]]

@@ Line 1: / Line 1: @@
-{{DISPLAYTITLE:crosspol.m}} __NOTOC__
+{{DISPLAYTITLE:cp_contact_hard.m}} __NOTOC__
-Cross-polarization NMR experiment in the rotating frame. Applies a pi/2 pulse using the specified operator and evolves the system with the irradiation operators added to the Liovillian. For the same experiment with a slightly different parametrisation, see [[cp_acquire.m]]
+Cross-polarisation experiment in the rotating frame. Applies an ideal pi/2 pulse using the specified operators, then evolves the system with the specified spin-lock terms added to the Liovillian. The contact curve is returned.
 ==Syntax==
-      fid=crosspol(spin_system,parameters,H,R,K)
+      contact_curve=cp_contact_hard(spin_system,parameters,H,R,K)
 ==Arguments==
-      parameters.irr_powers - a vector containing the values
+      parameters.irr_powers - a matrix containing the values
-                              of the RF power (Hz) on each channel
+                              of the spin-lock nutation fre-
-      parameters.irr_opers  - a cell array of spin operators
+      parameters.exc_opers  - a cell array of spin operators
-                              corresponding to the irradiation
+                              for the ideal pi/2 excitation
-                              on each RF channel
+                              pulse (same flip angle on all
-      parameters.exc_opers  - excitation operator for the exci-
+      parameters.time_steps - a vector of time slice durati-
-                              tation pulse (pi/2).
+                              ons, seconds
-      parameters.rho0       - initial state
+      parameters.rho0       - initial state vector
-      parameters.coil       - detection state
+      parameters.coil       - detection state vector
       H - Hamiltonian matrix, received from context function
@@ Line 30: / Line 37: @@
 ==Outputs==
-      fid - signal detected on the coil state during
+      contact_curve - contact curve detected on the coil
-           system evolution
+                     state specified in parameters.coil
 ==Examples==
@@ Line 44: / Line 51: @@
-''Version 2.8, authors: [[Ilya Kuprov]], [[Marina Carravetta]], [[Phil Williamson]]''
+''Version 2.9, authors: [[Ilya Kuprov]], [[Marina Carravetta]], [[Phil Williamson]]''

← Older revision	Revision as of 09:55, 8 May 2024
(No difference)

@@ Line 39: / Line 39: @@
 ==See also==
-[[overtone_cp.m]], [[dante.m]], [[cn2d_dq.m]], [[cn2d_sq.m]], [[mqmas.m]], [[cp_acquire.m]], [[cp_contact_soft.m]]
+[[overtone_cp.m]], [[dante.m]], [[cn2d_dq.m]], [[cn2d_sq.m]], [[mqmas.m]], [[cp_acquire_soft.m]], [[cp_contact_soft.m]]
 [[Built-in_experiments#Solid_state_NMR_experiments|Solid state NMR experiments]]